iiDevelopment Board Version 1.0.0Altera Corporation
LCD Multimedia HSMC Reference Manual August 2008
Contents
Chapter 1. Overview
General Description ............................................................................................................................... 1–1
Components and Block Diagram ................................................................................................... 1–3
Power Supply ....................................................................................................................................... 2–31
Power Supplies ............................................................................................................................... 2–31
Revision History ......................................................................................................................................... i
How to Contact Altera ............................................................................................................................... i
Typographic Conventions ......................................................................................................................... i
Altera Corporation iii
August 2008Preliminary
1. Overview
General
Description
This manual provides comprehensive information about the LCD
Multimedia High Speed Mezzanine Card (HSMC). This HSMC is a fullfeatured multimedia board that can be used for video, audio, and
ethernet applications with many of the Altera FPGA Starter and
Development boards that support the HSMC connectors. For example,
see Figures 1–1
The LCD Multimedia HSMC was created to provide a set of interfaces
including LCD touchscreen, VGA out, composite video in, audio in/out,
microphone in, plus Ethernet, SD-Card, PS/2, and RS-232 interfaces. The
purpose of this reference manual is to describe each of these hardware
interfaces on the LCD HSMC.
.
fFor the latest information about available HSMC boards, go to
www.altera.com/products/devkits/kit-index.html.
Figure 1–1. LCD Multimedia HSMC in Nios II Embedded Evaluation Kit
LCD Multimedia HSMC
Cyclone III FPGA Starter Board
The top view of the LCD Multimedia HSMC is shown in Figure 1–2.
Altera Corporation 1–1
August 2008Preliminary
There are several sample software applications that highlight the LCD
Touchpanel, SD-Card, and Ethernet components of the LCD Multimedia
HSMC in the Nios II Development Kits.
fFor more information, refer Nios II Embedded Evaluation kit Getting Started
User Guide as an example.
Figure 1–2. Top View of the LCD Multimedia HSMC
Connector view1 and connector view2 of the LCD Multimedia HSMC is
shown in Figure 1–3 and Figure 1–4.
1–2Altera Corporation
LCD Multimedia HSMC August 2008
Figure 1–3. LCD Multimedia HSMC Side View 1
Overview
RS-232
VGA Out
Figure 1–4. LCD Multimedia HSMC Side View 2
SD-Card
Composite
Video In
Ethernet
RJ-45
Audio Out
PS/2
Audio In
Microphone In
Components and Block Diagram
The LCD Multimedia HSMC contains the following components.
■MAX II CPLD EPM2210F324
●2210 Logic elements
●272 User I/Os
●324 pin FineLine BGA package
■LCD Touch-screen Display
●800 X 480 pixel 4.3" Display
Altera Corporation 1–3
August 2008LCD Multimedia HSMC
■24-bit Audio Codec
■SD FlashConnector
■10/100 Ethernet physical layer (PHY)
■PS/2 Connector
■Other Interfaces
●RS-232 Level-shifters
●RCA Jack (Video In)
●10-bit VGA Output DAC
●Composite Video ADC
Block Diagram
Figure 1–5 shows a functional block diagram of the LCD Multimedia
HSMC.
1–4Altera Corporation
LCD Multimedia HSMC August 2008
Figure 1–5. LCD Multimedia HSMC
HSMC
Connector
MAXII CPLD & Level Shift
BUS
Controller
Overview
24-bit AUDIO CODEC
VGA 10-bit Video DAC
Video decoder
PS2 & RS232 Ports
LCD Touch Panel
module
10/100 Ethernet PHY
SD Card
I2C EEPROM
100M Hz OSC
Altera Corporation 1–5
August 2008LCD Multimedia HSMC
2. Board Components and
Interfaces
Board Overview
fFor information on powering-up the LCD Multimedia HSMC and
This chapter provides operational and connectivity detail for the LCD
Multimedia HSMC's major components and interfaces and is divided
into the following major blocks:
■MAX II CPLD used for
●Time-division multiplexing of signals
●Voltage level shifting
■Interfaces
●HSMC expansion interface
●Audio codec interface
●Video decoder interface
●VGA interface
●Serial interface
●PS/2 interface
●Ethernet
■Clocking circuitry
■Memory
■Power supply
1Board schematics, board layout database, and assembly files for
the LCD Multimedia HSMC are included in the
board_design_files subdirectory of the installed kit directory.
installing the demo software and examples, refer to the user guide
provided with your kit.
Altera Corporation 2–1
August 2008Preliminary
Figure 2–1 shows the top view of the LCD Multimedia HSMC.
C
Figure 2–1. Top View of the LCD Multimedia HSMC
Board Components and Interfaces
RS-232 PortVGA Video PortVideo inLine OutLine inMic in
VGA 10-bit DA
24-bit Audio Codec
Video Decoder
(NTSC/PAL)
Altera MAX II 2210
CPLD device
100-MHz Oscillator
Notes:
(1) LCD Touch Panel is not shown.
LCD Touch Panel Connector
Ethernet 10/100M PHY
EEPROM
PS/2 Keyboard/
Mouse Port
Ethernet
10/100M Port
SD Card Slot
Altera Corporation 2–2
August 2008LCD Multimedia HSMC
Figure 2–2 shows the back view of the LCD Multimedia HSMC.
Figure 2–2. Back View of the LCD Multimedia HSMC
Table 2–1 lists the components and their corresponding board references.
HSMC Connector
Table 2–1. LCD Multimedia HSMC (Part 1 of 2)
Typ e
Interface Device
CPLDMAX IIU4EPM2210F324C4, 272-pin FineLine BGA
Level Translator
I/OBidirectional
Display
I/OLCD Touch
Connections & Interfaces
InputMIC InJ1, U1Microphone in jack2–15
2–3Altera Corporation
LCD Multimedia HSMC August 2008
Component/
Interface
Level Shift
Interface
Screen
Display
Board ReferenceDescriptionPage
2–4
324-pin package
U10, U11MAX 3378 Dual Low-Voltage Level
Translators
J10 +Touchscreen, U6FPC 60B connector2–10
2–8
Table 2–1. LCD Multimedia HSMC (Part 2 of 2)
Board Components and Interfaces
Typ e
InputLine InJ2, U124 bit CD quality audio CODEC2–15
OutputLine OutJ3, U124 bit CD quality audio CODEC2–15
2–5Altera Corporation
LCD Multimedia HSMC August 2008
Board Components and Interfaces
Table 2–4 lists the Max II EPM2210F324C4 device pin count.
Table 2–4. Max II Device Pin Count
Board ComponentPins
SD Card6
Ethernet18
Audio Codec6
RS232 and PS/24
LCD Touch Panel38
Video Decoder14
VGA25
MAX II CPLD ISP4
HSMC(1)88
Total Pins Used203
Total EPM2210F324C4 User I/Os272
Unused pins69
Note to Ta b l e 2– 4 :
(1) The HSMC pins include all pins between the FPGA and the MAX II CPLD
fFor additional information about Altera devices, go to
www.altera.com/products/devices.
Block Diagram of bus-controller logic in the MAX II CPLD
Figures 2–3 shows the block diagram of Bus Controller logic in the MAX
II device. Both the LCD TDM block is a simple 8-bit to 24-bit data
de-multiplexing function which drives the LCD panel. Similarly, the
VGA TDM block is a 10bit to 30bit data de-multiplexing function which
drives the VGA DAC. In the LCD TDM block, the 8-bit input data
(successive BGR color data) comes in at 3x the rate of the 24-bit output
data bus (8-bit B + 8bit G + 8bit R).
1The purpose of adding this complexity to the design of the LCD
Multimedia HSMC was to allow for more functionality given
the constraint of a pin-limited HSMC connector interface.
The I2CBir_bus block provides birdirectional control for I2C Serial
EEPROM data bus. All other signals that pass through the MAXII device
are uni-directional and are simply buffered and level-shifted in the
MAX II.
Altera Corporation 2–6
August 2008LCD Multimedia HSMC
Interface Device
Figure 2–3. The Block Diagram of MAX II Bus Controller
LCD Touch Panel &
AD co nverter
Serial Port Int erface
LCD Col or Dat a B us (RGB )
LCD Timin g Con trol Bu s
MAXII CPLD
LCD TDM
Controller
LCD R dat a
LCD G data
LCD B data
LCD Timi ng Cont rol Bu s
LCD Touch Panel Module
HSMC
Connector
VGA Color Dat a Bus (RGB )
VGA Timing Cont rol Bu s
I2C EE PROM Interf ace
Bi-directional I /Os
The source code for this design in the MAXII device can be found inthe "board_design_files" directory for your development kit.
VGA R dat a
VGA TDM
Controller
I2C_bir_bus
Controller
Other uni -directi onal I /Os
Bi-directional Level
VGA G data
VGA B dat a
VGA Timing Control Bus
Translator
VGA
DAC
I2C E EPROM
AUDIO DAC
Ethernet PHY
SD Card
RS232 Ports
Video Decod er
2–7Altera Corporation
LCD Multimedia HSMC August 2008
Board Components and Interfaces
Level Translator
Bidirectional level shift interface
The board provides bidirectional level shift feature for the 2.5V input
(Cyclone III FPGA) and 3.3V required by many of the interface chips via
two Maxim MAX3378 level translators. Tab l e 2– 5 lists bidirectional level
shift interface reference and manufacturing information.
Table 2–5. Bidirectional Level Shift Interface Manufacturing Information
Board ReferenceDevice DescriptionManufacturer
U10, U11Dual Low-Voltage
Level Translators
Maxim Integrated
Products
Manufacturer Part
MAX3378EEUDwww.maxim-ic.com
Figure 2–4 shows the block diagram and pinout of the bidirectional level
shift interface on the board respectively.
Figure 2–4. Block Diagram of Bidirectional Level Shift Interface
HC_I2C_SDAT
HC_PS2_CLK
HC_PS2_DAT
Level
Translator
(U10)
I2C_SDAT
PS2_CLK
PS2_DA T
Number
Manufacturer
Website
Video
Decoder
& Audio
DAC
PS/2
Port
HC_MDIO
MDIO
Eth ern et
PHY
HSMC
Connector
HC_SD_DAT3
HC_SD_CMD
HC_SD_DAT
Level
Translator
SD_DAT3
SD_CMD
SD_DAT
SD Card
Socket
(U11)
LCD
HC_SDA
SDA
Touch
Panel
Module
Altera Corporation 2–8
August 2008LCD Multimedia HSMC
Level Translator
Table 2–6 shows the pinouts of Level Shift Inteface with HSMC connector.
Table 2–6. Level Shift Interface Pinouts with HSMC Connector
HSMC Side Signal
Name
HC_I2C_SDAT33I2C_SDATU1-27;U8-33Audio CODEC ADC LR Clock
HC_PS2_CLK43PS2_CLKJ9-6PS/2 Clock
HC_PS2_DAT47PS2_DATJ9-1PS/2 Data
HC_MDIO49MDIOU2-30Ethernet PHY Management Data I/O
HC_SD_DAT48SD_DATJ4-7SD 1-bit Mode: Data Line; SPI Mode:
HC_SDA50SDAJ10-44LCD 3-Wire Serial Interface Data
HSMC Pin
No.
Device Side
Signal
Level Shift
Interface Pin No.
Level Shift Interface Description
Chip Select (Active Low)
Mode: Data In
Data Out
Figure 2–5 shows the Level Shift Interface schmeatic.
Figure 2–5. Level Shift Interface Schematic
2–9Altera Corporation
LCD Multimedia HSMC August 2008
Board Components and Interfaces
Display
LCD Touch Panel Display
The board provides a 4.3" Toppoly TD043MTEA1 active matrix color
display, with 800x480 pixel resolution. Ta bl e 2– 7 lists LCD Touch Panel
Display board reference and manufacturing information.
Table 2–7. LCD Touch Panel Display Manufacturing Information
Board ReferenceDevice DescriptionManufacturer
Display + J104.3" Active Matrix
Color LCD Screen
(480x800 RGB) +
Touch Panel
U612-Bit ADC for
resistive
touchscreen sensing
ToppolyTD043MTEA1www.toppoly.com
Analog DevicesAD7843www.analog.com
The LCD panel supports the 24-bit parallel RGB data interface and
provides a 3-wire interface to control the display function registers. The
LCD Multimedia HSMC is also equipped with an Analog Devices
AD7843 touch screen digitizer chip. The AD7843 is a 12-bit analog to
digital converter (ADC) for digitizing x and y coordinates of touch points
applied to the touch screen.
Manufacturer Part
Number
Manufacturer
Website
Timing Protocol of the LCD TDM Controller
Figure 2–6 below describes the input timing waveform information of the
LCD TDM Controller implemented in the MAX II CPLD. The 8-bit wide
HC_LCD_DATA signal is presumed to contain a stream of color pixel
data, with each pixel represented by three successive clock-cycles of the
stream. The data is presented in the order "BGR". The LCD TDM
Controller uses the HC_HD pulse to determine the position of the BLUE
color sample, and thus the start of each three-clock pixel-period. State
transitions on HC_HD (0.1 or 1.0) coincide with the presentation of
BLUE color on the HC_LCD_DATA input. The GREEN and RED values
for that same pixel are presented on the next two clock-cycles. Figure 2–7
shows the timing information on the output side. The LCD TDM block
will generate an output NCLK clock and 24-bit RGB data to the LCD
panel. The NCLK signal runs at 1/3 the frequency of the incoming clock
HC_NCLK.
Altera Corporation 2–10
August 2008LCD Multimedia HSMC
Display
Figure 2–6. The Timing Diagram On the Input Side of VGA TDM Controller
HC_NCLK
HC_LCD_DATA
BGRBGR
HC_HD
Figure 2–7. The Timing Diagram On the Output Side of VGA TDM Controller
HC_NCLK
LCD R, G , B
Color data
HD, VD, DEN
Sync Signals
NCLK
{ R:G:B }{ R:G:B }
HD, VD, DEN
HD, VD, DEN
The pin assignments are listed in Tables 2–8
Tables 2–8 shows the pinout of LCD Touch Panel with HSMC connector.
Table 2–8. LCD Touch Panel Pinout with HSMC Connector
HSMC ConnectorMAX IILCD Touch Panel
HSMC
Signal Name
HC_VD
HC_HD
2–11Altera Corporation
LCD Multimedia HSMC August 2008
Pin
Connector
No.
Side Pin
132 D14F6
134 C14F5
Device
Side Pin
Signal NamePin No.Description
VD
HD
6LCD Vertical Sync Input
7LCD Horizontal Sync Input
Table 2–8. LCD Touch Panel Pinout with HSMC Connector
HSMC ConnectorMAX IILCD Touch Panel
HSMC
Signal Name
HC_DEN
HC_NCLK
HC_LCD_DATA[0]
HC_LCD_DATA[1]
HC_LCD_DATA[2]
HC_LCD_DATA[3]
HC_LCD_DATA[4]
HC_LCD_DATA[5]
HC_LCD_DATA[6]
HC_LCD_DATA[7]
HC_GREST
HC_SCEN
Pin
Connector
No.
Side Pin
138 C15E5
95K13E4
145 D17H1
149 C17H2
151 C16J2
126 D13J1
128 D15J3
146 B15K3
150 B14K1
152 A15K2
140 C13L2
144 B13L1
Device
Side Pin
E3
D4
F3
C3
F1
C2
F2
D3
G2
D1
G1
D2
G3
E2
H3
E1
Signal NamePin No.Description
DEN
NCLK
R[0]
G[0]
B[0]
R[1]
G[1]
B[1]
R[2]
G[2]
B[2]
R[3]
G[3]
B[3]
R[4]
G[4]
B[4]
R[5]
G[5]
B[5]
R[6]
G[6]
B[6]
R[7]
G[7]
B[7]
GREST
SCEN
Board Components and Interfaces
8LCD RGB Data Enable
9LCD Clock
28LCD red data bus bit 0
19LCD green data bus bit 0
10LCD blue data bus bit 0
29LCD red data bus bit 1
20LCD green data bus bit 1
11LCD blue data bus bit 1
30LCD red data bus bit 2
21LCD green data bus bit 2
12LCD blue data bus bit 2
31LCD red data bus bit 3
22LCD green data bus bit 3
13LCD blue data bus bit 3
32LCD red data bus bit 4
23LCD green data bus bit 4
14LCD blue data bus bit 4
33LCD red data bus bit 5
24LCD green data bus bit 5
15LCD blue data bus bit 5
34LCD red data bus bit 6
25LCD green data bus bit 6
16LCD blue data bus bit 6
35LCD red data bus bit 7
26LCD green data bus bit 7
17LCD blue data bus bit 7
40LCD Global Reset, Low
Active
42LCD 3-Wire Serial
Interface Enable
Altera Corporation 2–12
August 2008LCD Multimedia HSMC
Display
Table 2–8. LCD Touch Panel Pinout with HSMC Connector
HSMC ConnectorMAX IILCD Touch Panel
HSMC
Signal Name
HC_SDA
HC_ADC_DCLK
HC_ADC_DIN
HC_ADC_CS_n
HC_ADC_DOUT
HC_ADC_PENIRQ_n
HC_ADC_BUSY
Notes to Ta b l e 2– 8 :
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U11.
Pin
Connector
No.
Side Pin
50
U11-5
157 B18L3
155 B16N2
143 D18N1
122 E13M1
156 A14M3
120 E15M2
(1)
Device
Side Pin
U11-10(1
Signal NamePin No.Description
)
SDA
ADC_DCLK
ADC_DIN
ADC_CS_n
ADC_DOUT
ADC_PENIRQ_n
ADC_BUSY
J10.44LCD 3-Wire Serial
Interface Data
U6.16AD7843/LCD 3-Wire Serial
Interface Clock
U6.14AD7843 Serial Interface
Data In
U6.15AD7843 Serial Interface
Chip Select Input
U6.12AD7843 Serial Interface
Data Out
U6.11AD7843 pen Interrupt
U6.13AD7843 Serial Interface
Busy
Figure 2–8 shows the LCD Touch Panel schematic.
2–13Altera Corporation
LCD Multimedia HSMC August 2008
Figure 2–8. LCD Touch Panel Schematic
R
R
R[0.. 7]
G[0..7]
B[0..7 ]
VCC33
R5810KR5810K
R5910KR5910K
R6010KR6010K
R6110KR6110K
R6210KR6210K
X_RIGHT
X_LEFT
Y_TOP
Y_BOTTOM
X_RIGHT
Y_TOP
X_LEFT
Y_BOTTOM
VCC33
10
HVDE
SDA
ADC_PENIRQ_n
ADC_CS_n
SCEN
C42 10NC42 10N
C43 10NC43 10N
C44 10NC44 10N
C45 10NC45 10N
1
2
4
3
5
7
8
6
U6
+VCC
+VCC
X+
X-
Y+
Y-
IN3
IN4
GND
AD7843U6AD7843
16
DCLK
15
CS
14
DIN
13
BUSY
12
DOUT
11
PENIRQ
9
VREF
VCC33
VCC33
VDDN
D5 PMEG2010ABED5 PMEG2010ABE
ADC_DCLK
ADC_CS_n
ADC_DIN
ADC_BUSY
ADC_DOUT
ADC_PENIRQ_n
R57 33R57 33
U7
U7
V+
V+
1
TRIM
TRIM
2
V-
V-
ADR525
ADR525
C31 2.2UC31 2.2U
CGH
C33 2.2UC33 2.2U
VCOM
C34 2.2UC34 2.2U
C35 2.2UC35 2.2U
VDDP
C36 2.2UC36 2.2U
VDDN
C37 2.2UC37 2.2U
C38 2.2UC38 2.2U
VMP
C39 2.2UC39 2.2U
VMN
C41 2.2UC41 2.2U
CGL
3
VCC33
Board Components and Interfaces
J10
J10
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
616162
FPC-60B_CONNECTO
FPC-60B_CONNECTO
GND
VCC
VDDP
VDDN
SCL
VCC
GND
LED B+
LED B-
62
VCC33
+5V
LED_B+
LED_B-
CGH
CPL1
CPL2
VCOM
VD
HD
DEN
NCLK
B0
B1
B2
B3
B4
B5
B6
B7
G0
G1
G2
G3
G4
G5
G6
G7
R0
R1
R2
R3
R4
R5
R6
R7
VDDP
TP_AGND
VDDN
-5V
HVDE
GREST
STBY
SCEN
ADC_DCLK
SDA
FB
VMP
VMN
C11
C12
CGL
Y_TOP
X_LEFT
Y_BOTTOM
X_RIGHT
Altera Corporation 2–14
August 2008LCD Multimedia HSMC
Interfaces/ Connectors
Interfaces/
This section describes the following LCD Multimedia HSMC’s
interface/connector blocks:
Connectors
■Audio Codec Interface (J1, J2, J3)
■SD Card socket (J4)
■Ethernet connector (J5)
■RS 232 connector (J8)
■UART and PS/2 connector (J9)
■Video Decoder connector (J11)
■VGA DAC connector (J12)
Audio Codec Interface
The board provides 24-bit CD-Quality audio via the Wolfson WM8731
audio CODEC (enCODer/DECoder). Table 2–9lists Audio Codec
Interface board reference and manufacturing information.
Table 2–9. Audio Codec Interface Manufacturing Information
Board ReferenceDevice DescriptionManufacturer
U1CD quality, low power,
high quality audio codec.
The Audio Codec Interface features:
Wolfson
Microelectronics
Manufacturer Part
Number
WM8731www.wolfsonmicro.com
Manufacturer Website
■24-bit sigma-delta audio CODEC
■Line-level input, line-level output, and microphone input jacks
■Sampling frequency: 8 to 96 KHz
This chip supports microphone-in (J1), audio-in (J2), and audio-out (J3)
ports, with a sample rate adjustable from 8 kHz to 96 kHz. The WM8731
is controlled by a serial I2C bus interface, which is connected to pins on
the HSMC connector.
2–15Altera Corporation
LCD Multimedia HSMC August 2008
Board Components and Interfaces
Tables 2–10 shows the pinout of Audio Codec with HSMC connector.
Table 2–10. Audio Codec Pinout with HSMC Connector
HSMC ConnectorMAX IIAudio Codec
HSMC
Signal Name
HC_AUD_BCLK
HC_AUD_XCK
HC_AUD_DACDAT
HC_AUD_DACLRCK
HC_AUD_ADCDAT
HC_AUD_ADCLRCK
HC_I2C_SDAT
HC_I2C_SCLK
Note:
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U10.
(2) Default, the audio chip is configured as a SLAVE mode.
Pin
No.
113
39
109
107
40
103
33
34
Connector
Side Pin
G17
T16
H17
H18
R15
H16
U10-2
P15
(1)
Device
Side Pin
U13
U14
V13
T13
T12
V12
U10-13(1
U11
Signal Name
AUD_BCLK
AUD_XCK
AUD_DACDAT
AUD_DACLRCK
AUD_ADCDAT
AUD_ADCLRCK
)
I2C_SDAT
I2C_SCLK
Pin
No.
7Audio CODEC Bit-Stream
Clock
1Audio CODEC Chip Clock
8Audio CODEC DAC Data
9Audio CODEC DAC LR Clock
10Audio CODEC ADC Data
11Audio CODEC ADC LR Clock
27I2C Data
28I2C Clock
Description
Altera Corporation 2–16
August 2008LCD Multimedia HSMC
Interfaces/ Connectors
Figure 2–9 shows the Audio Codec connector schematic.
The board includes a SD Card socket and provides SPI mode for SD Card
access. It can be accessible as memory in both SPI and and 1-bit SD mode.
The SD-Card data, clock, and control signals are wired directly to the
MAX II CPLD.
2–17Altera Corporation
LCD Multimedia HSMC August 2008
Board Components and Interfaces
Tables 2–11 shows the pinout of SD Card Socket with HSMC connector.
Table 2–11. SD Card Pinout with HSMC Connector
HSMC ConnectorMAX IISD Card
HSMC
Signal Name
HC_SD_DAT3
Pin
No.
53
Connector
Side Pin
U11-2
(1)
Device
Side Pin
U11-13(1
Signal Name
)
SD_DAT3
Pin
No.
Description
1SD 1-bit Mode: Card Detect;
SPI Mode: Chip Select
(Active Low)
HC_SD_CMD
44
U11-3
(1)
U11-12(1
)
SD_CMD
2SD 1-bit Mode: Command
Line; SPI Mode: Data In
HC_SD_CLK
HC_SD_DAT
101 J16P1
U11-4
(1)
U11-11(1
48
)
SD_CLK
SD_DAT
5Clock
7SD 1-bit Mode: Data Line;
SPI Mode: Data Out
Notes:
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U11.
Figure 2–10 shows the SD Card interface schematic.
Figure 2–10. SD Card Interface Schematic
VCC33VCC33
R38
R38
4.7K
4.7K
SD_DAT3
SD_CMD
SD_CLK
SD_DAT
Altera Corporation 2–18
August 2008LCD Multimedia HSMC
R39
R39
4.7K
4.7K
VCC33
R42
R42
4.7K
4.7K
VCC33
J4
J4
DAT2
DAT2
9
DAT3
DAT3
1
CMD
CMD
2
VSS
VSS
3
VCC
VCC
4
CLK
CLK
5
VSS
VSS
6
DAT0
DAT0
7
DAT1
DAT1
8
SW0
SW0
10
SW1
SW1
11
SD Card Socket
121314
SD Card Socket
15
Interfaces/ Connectors
Ethernet PHY
Ethernet support is provided via the National Semiconductor DP83848C
Ethernet Physical Layer Transceiver chip and an RJ-45 connector (J5).
Table 2–12lists Ethernet PHY board reference and manufacturing
information.
Table 2–12. Ethernet PHY Manufacturing Information
Board ReferenceDevice DescriptionManufacturer
U2Single Port 10/100
Mb/s Ethernet
Physical Layer
Transceiver
National
Semiconductor
The DP83848C device has the following features:
■Single Port 10/100 Mb/s Ethernet Physical Layer Transceiver
■Supports both 100Base-T and 10Base-T Ethernet protocols
■Supports Auto-MDIX for 10/100 Mb/s
The DP83848C is one port Fast Ethernet PHY Transceivers supporting
IEEE 802.3 physical layer applications at 10 Mbps and 100 Mbps. The
DP83848C provides Media Independent Interface (MII) to connect
DP83848C to a MAC in the FPGA.
Tables 2–13 shows the pinout of Ethernet PHY with HSMC connector.
Table 2–13. Ethernet PHY Pinout with HSMC Connector
HSMC ConnectorMAX IIEthernet PHY
HSMC
Signal Name
HC_TX_CLK
HC_TX_EN
HC_TXD[0]
HC_TXD[1]
HC_TXD[2]
HC_TXD[3]
HC_ETH_RESET_N
Pin
Connector
No.
Side Pin
158 A13T2
125 F18R3
127 F17P4
131 E17R1
133 E18R2
137 E16P2
121 F16T3
Device
Side Pin
Signal Name
TX_CLK
TX_EN
TXD0
TXD1
TXD2
TXD3
Eth_RESET_N
Manufacturer Part
Number
DP83848Cwww.national.com
Pin
No.
1MII Transmit Clock
2MII Transmit Enable
3MII Transmit Data bit 0
4MII Transmit Data bit 1
5MII Transmit Data bit 2
6MII Transmit Data bit 3
29DP83848C Reset
Manufacturer
Website
Description
2–19Altera Corporation
LCD Multimedia HSMC August 2008
Board Components and Interfaces
Table 2–13. Ethernet PHY Pinout with HSMC Connector
HSMC ConnectorMAX IIEthernet PHY
HSMC
Signal Name
HC_MDIO
HC_MDC
HC_RX_CLK
HC_RX_DV
HC_RX_CRS
HC_RX_ERR
HC_RX_COL
HC_RXD[0]
HC_RXD[1]
HC_RXD[2]
HC_RXD[3]
Notes:
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U10.
Pin
Connector
No.
Side Pin
49
U10-5
139 D16U1
96H14J5
116 E14H5
92H15H4
90G13H6
114 F14G6
102 G15G4
104 G12G5
108 F13G7
110 F15F4
(1)
Device
Side Pin
U10-10(1
Signal Name
)
MDIO
MDC
RX_CLK
RX_DV
RX_CRS
RX_ERR
RX_COL
RXD0
RXD1
RXD2
RXD3
Pin
No.
30Management Data I/O
31Management Data Clock
38MII Receive Clock
39MII Receive Data valid
40MII Carrier Sense
41MII Receive Error
42MII Collision Detect
43MII Receive Data bit 0
44MII Receive Data bit 1
45MII Receive Data bit 2
46MII Receive Data bit 3
Description
Figure 2–11 shows the Ethernet PHY connector schematic.
Altera Corporation 2–20
August 2008LCD Multimedia HSMC
The board uses the ADM3202 transceiver chip and a 9-pin D-SUB
connector for RS-232 communications. Table 2–14 below lists RS 232
Serial Interface board reference and manufacturing information.
Table 2–14. RS232 Serial Interface Manufacturing Information
Board
Reference
U5High-Speed, 2-Channel
Device DescriptionManufacturer
Analog DevicesADM3202www.analog.com
RS232/V.28 Interface Devices
2–21Altera Corporation
LCD Multimedia HSMC August 2008
Manufacturer Part
Number
Manufacturer
Website
Tables 2–15 shows the pinout of RS232 Interface with HSMC connector.
Table 2–15. RS232 Interface Pinout with HSMC Connector
HSMC ConnectorMAX IIRS232 Interface
HSMC
Signal Name
HC_UART_RXD
HC_UART_TXD
Pin
Connector
No.
Side Pin
115 G18K4
119 G16J4
Device
Side Pin
Signal NamePin No.Description
UART_RXD
UART_TXD
Notes:
(1) U5.12 connects to pin 3 on the RS-232 connector (J6) via U5.13.
(2) U5.11 connects to pin 2 on the RS-232 connector (J6) via U5.14.
Figure 2–12 shows the RS232 interface schematic.
Figure 2–12. RS232 Interface Schematic
VCC33
RXDL EDRRXDL EDR
TXDLEDGTXDLEDG
R75330R75330
R76330R76330
UART_RXD
UART_TXD
C27 1UC27 1U
C28 1UC28 1U
UART_RXD
UART_TXD
12
9
11
10
1
3
4
5
2
6
C301UC30
C291UC29
1U
1U
U5
R1OUT
R2OUT
T1IN
T2IN
C+
C1C2+
C2V+
V-
Board Components and Interfaces
)
)
13
8
14
7
16
VCC33
15
UART Receiver
UART Transmitter
J8
5
9
4
8
3
7
2
6
1
ADM3202U5ADM3202
U5-12(1
U5-11(2
R1IN
R2IN
T1OUT
T2OUT
VCC
GND
RS232J8RS232
11
10
PS/2 Interface
The LCD Multimedia HSMC includes a standard PS/2 interface and a
connector (J9) for a PS/2 keyboard or mouse. The PS/2 interface is a
standard interface that is described extensively elsewhere.
Implementation of a PS/2 interface can be done ei ther in hardwa re on the
MAXII or FPGA or software in a Nios processor running on the FPGA.
Altera Corporation 2–22
August 2008LCD Multimedia HSMC
Interfaces/ Connectors
Tables 2–16 shows the pinout of PS/2 Interface with HSMC connector.
Table 2–16. PS/2 Interface Pinout with HSMC Connector
HSMC ConnectorMAX IIPS/2 Interface
HSMC
Signal Name
HC_PS2_CLK
HC_PS2_DAT
Pin
No.
43
47
Connector
Side Pin
U10-3
U10-4
(1)
(1)
Device
Side Pin
U10-12(1
U10-11(1
Signal Name
)
PS2_CLK
)
PS2_DAT
Pin
No.
Description
1PS/2 Clock
6PS/2 Data
Notes:
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U10.
Figure 2–13 shows the PS/2 interface schematic.
Figure 2–13. PS/2 Interface Schematic
VCC5VCC5
R532KR53
PS2_CLK
R542KR54
2K
2K
R56120R56120
R55120R55120
3
1
2
D3
BAT54SD3BAT54S
3
D4
BAT54SD4BAT54S
1
2
VCC33VCC33
VCC5
BC34
BC34
0.1U
0.1U
PS2DATPS2_DAT
PS2CLK
J9
J9
TOP
TOP
1
2
86
86
3
5
6
8
3
5
3
5
2 1
2 1
PS2
PS2
9
10
11
Video Decoder Interface
The board is equipped with an Analog Devices ADV7180 Video decoder
chip and RCA input jack (J11). Table 2–17 below lists Video Decoder
Interface board reference and manufacturing information.
Table 2–17. Video Decoder Interface
Board ReferenceDevice DescriptionManufacturer
U810-Bit, 4× Oversampling
Analog DevicesADV7180www.analog.com
Manufacturer Part
Number
SDTV Video Decoder
2–23Altera Corporation
LCD Multimedia HSMC August 2008
Manufacturer
Website
The Video Decoder features:
■Multi-format SDTV Video Decoder
■Supports worldwide NTSC/PAL/SECAM color demodulation
■One 10-bit ADC, 4X over-sampling for CVBS
■Supports Composite Video (CVBS) RCA jack input
■Supports digital output formats: 8-bit ITU-R BT.656 YCrCb 4:2:2
output + HS, VS, and FIELD
The ADV7180 is an integrated video decoder that automatically detects
and converts a standard analog baseband television signal (NTSC, PAL,
and SECAM) into 4:2:2 component video data compatible with 8-bit
CCIR601/CCIR656. The ADV7180 is compatible with a broad range of
video devices, including DVD players, tape-based sources, broadcast
sources, and security/surveillance cameras.
The registers in the Video decoder can be programmed by a serial I2C bus,
which is connected to the HSMC connector as indicated in schematic.
Tables 2–18 shows the pinout of Video Decoder with HSMC connector.
Table 2–18. Video Decoder Pinout with HSMC Connector
Board Components and Interfaces
HSMC ConnectorMAX IIVideo Decoder
HSMC
Signal Name
HC_TD_D[7]
HC_TD_D[6]
HC_TD_D[5]
HC_TD_D[4]
HC_TD_D[3]
HC_TD_D[2]
HC_TD_D[1]
HC_TD_D[0]
HC_TD_27MHZ
HC_TD_RESET
HC_I2C_SDAT
HC_I2C_SCLK
HC_TD_VS
Altera Corporation 2–24
August 2008LCD Multimedia HSMC
Pin
Connector
No.
Side Pin
78K14T10
74K15V10
72L13U10
68M12U9
66L15V9
62L14T9
60M14T8
56M15V8
98G14U8
80J14U12
33
U10-2
34P15U11
84J15V11
(1)
Device
Side Pin
U10-13(1
Signal Name
TD_D7
TD_D6
TD_D5
TD_D4
TD_D3
TD_D2
TD_D1
TD_D0
TD_27MHZ
TD_RESET
)
I2C_DATA
I2C_SCLK
TD_VS
Pin
No.
5Video Decoder Data[7]
6Video Decoder Data[6]
7Video Decoder Data[5]
8Video Decoder Data[4]
9Video Decoder Data[3]
10Video Decoder Data[2]
16Video Decoder Data[1]
17Video Decoder Data[0]
11Video Decoder Clock Input
31Video Decoder Reset
33I2C Data
34I2C Clock
37Video Decoder V_SYNC
Description
Interfaces/ Connectors
Table 2–18. Video Decoder Pinout with HSMC Connector
HSMC ConnectorMAX IIVideo Decoder
HSMC
Signal Name
HC_TD_HS
Pin
Connector
No.
Side Pin
86H13T11
Device
Side Pin
Signal Name
TD_HS
Pin
No.
Description
39Video Decoder H_SYNC
Notes:
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U10.
Figure 2–14 shows the Video Decoder interface schematic.
Figure 2–14. Video Decoder Interface Schematic
VCC33
RCA JACK
RCA JACK
J11
J11
R6436R6436
R6539R6539
V_AGND
I2C ADDRESS IS 0x40
CVBS1_IN
TD_RESET
C50 0.1UC5 0 0.1U
C52 0.1UC5 2 0.1U
I2C_SCLK
I2C_SDAT
C49 0.1UC4 9 0.1U
C51
C51
0.1U
0.1U
28MHz
VCC33
23
29
30
31
26
25
13
12
32
18
34
33
U8
AIN1
AIN2
AIN3
RESET
VREFN
VREFP
XTAL
XTAL1
ALSB
PWRDWN
SCLK
SDATA
14
3
36
DVDD
DGND
15
DVDD
ADV7180U8ADV7180
DGND
DGND
35
40
AV_VCC18VCC18
4
DVDDIO1DVDDIO
41
AGND21DGND
EXPOSED
V_AGND
27
AVDD
VS/FIELD
AGND
24
20
PVDD
ELPF
INTRQ
TEST_0
AGND
28
PV_VCC18
C48 0.1UC48 0.1U
C47
C47
R63
R63
1.74K
1.74K
10N
10N
19
RN247RN 247
17
P0
10
16
P1
11
10
P2
9
12
P3
13
8
P4
14
7
P5
15
6
P6
16
5
P7
R66120R6 6120
37
R67120R6 7120
39
HS
2
SFL
38
11
LLC
22
VCC33
TD_D0
89
TD_D1
7
TD_D2
6
TD_D3
5
TD_D4
4
TD_D5
3
TD_D6
2
TD_D7
1
TD_VS
TD_HS
27MHZ
BC38
BC38
0.1U
0.1U
Y3
Y3
1
EN
2
GND
28.63636MHz
28.63636MHz
TD_D[0..7]
VCC
OUT
4
28MHz
3
NTSC PAL Video Decoder Circuit
Uses the ADV7180 Multi-format SDTV Video Decoder
■Supports worldwide NTSC/PAL/SECAM color demodulation
■One 10-bit ADC, 4X over-sampling for CVBS
■Supports Composite Video (CVBS) RCA jack input
■Supports digital output formats: 8-bit ITU-R BT.656 YCrCb 4:2:2
2–25Altera Corporation
LCD Multimedia HSMC August 2008
Table 2–19. VGA Output DAC
Board Components and Interfaces
■output + HS, VS, and FIELD
■Applications: DVD recorders, LCD TV, Set-top boxes, Digital TV
■Portable video devices
VGA DAC Interface
The board includes an Analog Devices ADV7123 VGA DAC and 16-pin
D-SUB connector for VGA output. Table 2–19 below lists VGA DAC
Interface board reference and manufacturing information.
Board ReferenceDevice DescriptionManufacturer
U9240 MHz Triple 10-
Bit High Speed Video
DAC
Analog DevicesADV7123www.analog.com
The VGA DAC interface features:
■240-MHz triple 10-bit high-speed video DAC
■15-pin high-density D-sub connector
The VGA synchronization signals are provided directly from the Cyclone
III FPGA, and the Analog Devices ADV7123 triple 10-bit high-speed
video DAC is used to produce the analog data signals (red, green, and
blue).
Figure 2–15 illustrates the basic timing requirements for each row
(horizontal) that is displayed on a VGA monitor. An active-low pulse of
specific duration (time) as shown in the figure is applied to the horizontal
synchronization (hsync) input of the monitor, which signifies the end of
one row of data and the start of the next. The data (RGB) inputs on the
monitor must be off (driven to 0 V) for a time period called the back porch
(b) after the hsync pulse occurs, which is followed by the display interval
(c). During the data display interval, the RGB data drives each pixel in
turn across the row being displayed. Finally, there is a time period called
the front porch (d) where the RGB signals must again be off before the
next hsync pulse can occur. The timing of the vertical synchronization
(vsync) is the same as shown in Figure 2–15, except that a vsync pulse
signifies the end of one frame and the start of the next, and the data refers
to the set of rows in the frame (horizontal timing). Table 2–20 and
Table 2–21 show, for different resolutions, the durations of time periods a,
b, c, and d for both horizontal and vertical timing.
Manufacturer Part
Number
Manufacturer
Website
Altera Corporation 2–26
August 2008LCD Multimedia HSMC
Interfaces/ Connectors
1On the LCD Multimedia HSMC users still need to multiplex the
VGA synchronization and RGB data to fit the VGA TDM block
input timing as mentioned in Figure 2–6 and Figure 2–7. The
timing protocol of the VGA TDM controller is similar to the
LCD
TDM controller. The input color data bus HC_VGA_DATA
changes from 8-bit to 10-bit, and the VGA TDM controller uses
the HC_VGA_HS to determine the position of the BLUE color
sample.
The board has a number of dedicated clock oscillators that are used for
system timing or timing of specific peripheral chips. A list of these
oscillators is shown in Table 2–23 below.
Table 2–23. Oscillators
Board Reference
Y125MHz, 25ppm,
Device
Description
Manufacturer
Mercury Electronics FH3SWO-AT-25.000www.mecxtal.com
CL=15pF, 3.3V,
Size:5*7*1.4 mm
Y2100MHz, 25ppm,
Mercury Electronics FH3SWO-AT-100.000 www.mecxtal.com
CL=15pF, 3.3V,
Size:5*7*1.4 mm
Y328MHz, 25ppm,
Mercury Electronics FH3SWO-AT-27.000www.mecxtal.com
CL=15pF, 3.3V,
Size:5*7*1.4 mm
Altera Corporation 2–30
August 2008LCD Multimedia HSMC
Manufacturer Part
Number
Manufacturer
Website
Powe r Supply
Power Supply
Power Supplies
The power supply block distributes clean power from the 12 V and 3.3 V
input supply (from HSMC connector) to the LCD Multimedia HSMC
through on-board regulators. To provide various voltage options, the
board uses several Linear Technologies’ regulators. Switching regulators
are used for digital circuits and linear regulators are used for analog
circuits.
Table 2–24 below lists Power Supplies board reference and
manufacturing information.
Table 2–24. Power Supplies Manufacturing Information
Board ReferenceDevice DescriptionManufacturer
REG1DC/DC Converter +/-
5V for LCD Display
REG2DC/DC Converter for
+/- Voltages for LCD
Display Backlight
REG3Linear regulator for
5V output
REG4Linear regulator for
2.5V output
REG5Linear regulator for
1.8V output
Linear TechnologyLT3461ES6#TRPBFwww.linear.com
Linear TechnologyLT3461ES6#TRPBFwww.linear.com
Linear TechnologyLT1117CTS-5#PBFwww.linear.com
Linear TechnologyLT1963AES8#PBFwww.linear.com
Linear TechnologyLT1963AES8#PBFwww.linear.com
Manufacturer Part
Number
Manufacturer
Website
Board regulators are used to generate the voltages listed in Tables 2–25
2–31Altera Corporation
LCD Multimedia HSMC August 2008
Variance
(+/-mV)
MAX Current
(A)
Regulator
Board
Reference
Linear Technologies
Part #
Where Used
Level Shifter Supply
Board Components and Interfaces
EEPROM
I2C Serial EEPROM
There is a 2K-bits I2C Serial EEPROM on the LCD Multimedia HSMC that
contains information used by applications for this board. Table 2–26
below lists I2C Serial EEPROM board reference and manufacturing
information.
Table 2–26. I2C Serial EEPROM Manufacturing Information
Board ReferenceDevice DescriptionManufacturer
U32K-bits I2C Serial
EEPROM
Microchip24LC02Bwww.microchip.com
Manufacturer Part
Number
Manufacturer
Website
Table 2–27 contains the data format written in the first 16 bytes of this
EEPROM.
Table 2–27. EEPROM Data Format
Byte
Bit #sDescriptionValue for LCD Multimedia HSMC
#s
00-7Number of bytes written (including Byte 0)0x10
(1)
0-3Minor revision number0x0
1
4-7Major revision number0x1
2-70-7Board Serial Number (If bytes 2-4 is “00 07 ED”
then this is a MAC address.)
8-150-78 bytes of board specific calibration data.Calibration Data for TouchScreen is currently
Notes:
(1) Version Number in the form of <Major>.<Minor>.
Altera MAC Addresses are in the format “00
07 ED 08 xx xx”. The "08" is the group for the
LCD Multimedia HSMC. The last two bytes
are sequential and incremented for each
board.
in the form of
Upper Right X (3946 = 0x0f6a),
Upper Right Y (3849 = 0x0f09),
Lower Left X (132 = 0x0084),
Lower Left Y (148 = 0x0094)
Altera Corporation 2–32
August 2008LCD Multimedia HSMC
EEPROM
To provide better accuracy for the touch-screen portion of the LCD
module, static calibration data has been programmed in bytes 8-15 of the
EEPROM. This data is shown in Table 2–28.
Table 2–28. Byte values for touch screen calibration data
Byte89101112131415
Value0f6a0f0900840094
Coordinatex=799y=0x=0y=479
PositionUpper RightLower Left
Table 2–29 shows the pinout of I2C Serial EEPROM with HSMC
connector.
Table 2–29. I2C Serial EEPROM Pinout with HSMC Connector
I2C Serial EEPROM MAX III2C Serial EEPROM
HSMC
Signal Name
HC_ID_I2CSCL
HC_ID_I2CDAT
Pin
Connector
No.
Side Pin
41T17N3
42P18P3
Device
Side Pin
Signal Name
ID_I2CSCL
ID_I2CDAT
Pin
No.
6
EEPROM I2C Clock
5
EEPROM I2C Data
Description
Figure 2–17 shows the I2C Serial EEPROM schematic.
2–33Altera Corporation
LCD Multimedia HSMC August 2008
Figure 2–17. I2C Serial EEPROM Schematic
Board Components and Interfaces
Expansion
Interface
Altera Corporation 2–34
August 2008LCD Multimedia HSMC
HSMC Interface
The LCD Multimedia HSMC connects to Altera FPGA Starter and
Development Boards via a single High Speed Mezzanine Card (HSMC)
connector (J6)
Table 2–30 below lists HSMC A connector board reference and
manufacturing information.
Table 2–30. HSMC A Connector Manufacturing Information
Board ReferenceDescriptionManufacturer
J6High Speed
The HSMC connector is a modified version of standard high-speed
Samtec connectors. To provide better integrity between host boards and
HSMC boards when using high-speed transceivers, the standard highspeed Samtec connector is modified by removing every third pin in
bank 1.
.
Manufacturer
Part Number
SamtecASP-122952-01
Mezzanine Card
Connector
Expansion Interface
1CMOS utilization of the HSMC pins is assumed and no options
for supporting other differential signaling are provided with the
board. The eight clock-data-recovery high-speed transceiver
channels are not connected on this HSMC.
The HSMC connector layout is shown in
Figure 2–18. Samtec Header Connector
((90 POS / 30 x .7875) + .050)
.78 REF
.571
.150 REF
.036 REF.006 REF
(29 EQ Spaces @ .0197)
02
01
DP Bank
2.413
.626 REF
1HSMC connector pinout information is shown throughout this
document for each individual interface and in the appendices
for connecting to various FPGA starter and development
boards.
Figures 2–18 below.
.245 REF
.285 REF
2–35Altera Corporation
LCD Multimedia HSMC August 2008
Board Components and Interfaces
Table 2–31 lists hazardous substances included with the kit.
Statement
of China-RoHS
Compliance
Table 2–31. Table of Hazardous Substances’ Name and Concentration, Notes (1),(2)
Part Name
Cyclone III
FPGA starter
board
12 V power
supply
Type A-B
USB cable
User guide000000
Notes to Table 2–31:
(1) 0 indicates that the concentration of the hazardous substance in all homogeneous materials in the parts is below
the relevant threshold of the SJ/T11363-2006 standard.
(2) X* indicates that the concentration of the hazardous substance of at least one of all homogeneous materials in the
parts is above the relevant threshold of the SJ/T11363-2006 standard, but it is exempted by EU RoHS.
Lead
(Pb)
X*00000
0000 00
0000 00
Cadmium
(Cd)
Hexavalent
Chromium
(Cr6+)
Mercury
(Hg)
Polybrominated
biphenyls (PBB)
Polybrominated
diphenyl Ethers
(PBDE)
Altera Corporation 2–36
August 2008LCD Multimedia HSMC
Appendix A. Pin Connections
HSMC.FPGA for the
Cyclone III Starter Board
Introduction
The section describes the HSMC pin connections for Cyclone III Starter
Board. See Ta bl es A– 2
Special caution when building applications with the LCD Multimedia
HSMC and the Cyclone III FPGA Starter Board:
cThe LCD Multimedia HSMC uses the differential pair
HSMC_CLKIN pins as single-ended I/O. On the Cyclone III
Starter Board, the n and p signals for these pins are terminated
with 100 Ohm resistors (R3 and R4).
These signals correspond to single-ended I/O on the LCD
Multimedia HSMC. R3 connects HC_RX_CLK and
HC_TD_27MHZ and R4 connects HC_ADC_PENIRQ_n and
HC_TX_CLK. To avoid unwanted noise on signals, users are
advised to turn off the peripherals as shown in the Tab le A –1
below.
Altera Corporation Development Board Version 1.0.A–1
August 2008Preliminary
1The Cyclone III FPGA Starter Board schematic can be found
Italic type Internal timing parameters and variables are shown in italic type.
Initial Capital LettersKeyboard keys and menu names are shown with initial capital letters. Examples:
“Subheading Title”References to sections within a document and titles of on-line help topics are
Document titles are shown in italic type with initial capital letters. Example: AN 75:
High-Speed Board Design.
Examples: t
Variable names are enclosed in angle brackets (< >) and shown in italic type.
Example: <file name>, <project name>.pof file.
Delete key, the Options menu.
shown in quotation marks. Example: “Typographic Conventions.”
PIA
, n + 1.
Courier type Signal and port names are shown in lowercase Courier type. Examples: data1,
tdi, input. Active-low signals are denoted by suffix n, e.g., resetn.
Anything that must be typed exactly as it appears is shown in Courier type. For
example:
actual file, such as a Report File, references to parts of files (e.g., the AHDL
keyword
Courier.
1., 2., 3., and
a., b., c., etc.
● •Bullets are used in a list of items when the sequence of the items is not important.
■
v The checkmark indicates a procedure that consists of one step only.
1 The hand points to information that requires special attention.
c
w
r The angled arrow indicates you should press the Enter key.
f The feet direct you to more information on a particular topic.
Numbered steps are used in a list of items when the sequence of the items is
important, such as the steps listed in a procedure.
A caution calls attention to a condition or possible situation that can damage or
destroy the product or the user’s work.
A warning calls attention to a condition or possible situation that can cause injury
to the user.
c:\qdesigns\tutorial\chiptrip.gdf. Also, sections of an
SUBDESIGN), as well as logic function names (e.g., TRI) are shown in
Info–ii Altera Corporation
PreliminaryAugust 2008
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