On April 1st, 2010, NEC Electronics Corporation merged with Renesas Technology
Corporation, and Renesas Electronics Corporation took over all the business of both
companies. Therefore, although the old company name remains in this document, it is a valid
Renesas Electronics document. We appreciate your understanding.
Send any inquiries to http://www.renesas.com/inquiry
.
Notice
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User’s Manual
SH7149 CPU Board
M3A-HS49
User’s Manual
Renesas 32-Bit RISC Microcomputers
SuperH™ RISC engine Family / SH7149 Group
PRELIMINARY
Notice This is not a final specification.
Some parametric limits are subject to change.
Rev.1.00 2006.12
Microsoft, MS-DOS, Windows and Windows.NET are registered trademarks of Microsoft Corporation of the U.S. in the U.S.
and other countries.
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All other brand names and product names are registered trademarks or trademarks of the respective pr o prietors.
• Renesas is constantly making efforts to improve the quality and reliabilit y of its products. Ho wever, not
all semiconductor products are trouble-free, they may become fault y or operate erratically. To ensure
that no accidents such as injury or a fire or no social damage may arise from Renesas semiconductor
products should they become faulty or operate erratically, please pay careful attention to the safety
design of your system by, for example, considering redundanc y design and incorporating measures to
check the spread of a fire and prevent device malfunction.
• This manual only provides reference information to help customers purchase the appropriate type of
Renesas Technology product that suits the intended purpose of use, and the technical information
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other rights of Renesas Technology.
• Renesas Technology will not assume any responsibility for damage or losses or infringement on the third
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• The product data, diagrams, tables, programs, algorithms and all other information presented herein re flect
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Technology or Renesas Technology Sales or other distributors.
Requests for Safety Design
Precautions on Using This Manual
Revision History SH7149 CPU Board M3A-HS49User's Manual
1.8 Absolute Maximum Ratings...................................................................................................................................... 1-11
2.3 Serial Port Interface.................................................................................................................................................... 2-4
3.1.2 Serial Port Connector (J3)................................................................................................................................. 3-5
3.1.3 External Power Supply Connectors (J4)............................................................................................................3-6
3.1.4 Power Supply Connector (J5) ........................................................................................................................... 3-7
3.1.5 User I/O Connector (J6-J8)...............................................................................................................................3-8
3.2 Outline of Switches and LEDs.................................................................................................................................. 3-15
3.2.1 SH7149 Power Supply Select Jumper (JP1)...................................................................................................3-16
3.2.3 Serial Port Select Jumpers (JP3,JP4)............................................................................................................. 3-18
3.2.4 Switch and LED Functions..............................................................................................................................3-19
3.3 Package Dimensions of M3A-HS49.........................................................................................................................3-21
The M3A-HS49 is the CPU board designed for users to evaluate the functionalit y and performance of the SH7149
group of Renesas Technology original microcomputers, as well as develop an d evaluate the application software for
this group of microcomputers. The SH7149's data bus, address bus and various internal peripheral circuit functio n
pins are connected to the extension connector of the M3A-HS49, al lowing users to evaluate the timing relationship
with peripheral devices using measurement instruments or develop extension boards tailored to suit development
purposes. Furthermore, the E10A-USB or the on-chip emulator made by Renesas Technolo g y can als o be connected
to the M3A-HS49.
1.2 Configuration
Figure1.2.1 shows an example of system configuration using the M3A-HS49.
*
Serial port
connector
SH7149 CPU Board
M3A-HS49
5V DC
Power Supply
(1.5
A min.)
Overview
H-UDI connector
(14-pin or 36-pin)
SH7149
Extension
Board
Extension
Can be created according
to applications
High-performance
Embeded Workshop(HEW )
SuperH RISC engine
C/C++ compiler package
connector
*
*
HEW
debugger
*
USB
E10A-USB
*
Host
Computer
* : It is necessary to buy separately for software development.
Figure1.2.1 Example System Configuration of the M3A-HS49
Rev.1.0 Dec 15, 2006 1-2
REJ10J0917-0100
1
1.3 External Specifications
Table1.3.1 lists external specifications of M3A-HS49.
Table1.3.1 External Specifications of M3A-HS49
No. Item Content
SH7149
• Input(XIN) clock : 10MHz
• Bus clock : 40MHz, max
1 CPU
2 Connectors
3 LED
4 Switches
5 External dimensions
• CPU clock : 80MHz, max
• On-chip memory
Flash memory : 256KB
RAM : 8KB
• Extension connector (Bus, I/O, VCC, GND)
• User I/O connector (SH7149’s MTU2, A/D function pins)
• Serial Port connector (D-sub 9pins)
• H-UDI connector (36pins)
• H-UDI connector (14pins)
• POWER LED (1pc.)
• LED for Interrupt confirmation (1pc.)
• User LED (6pcs.)
• Reset switch (1pc.)
• NMI switch (1pc.)
• MRES switch (1pc.)
• IRQ0 switch (1pc.)
• DIP switch for System setting (1pc.,3 poles)
• DIP switch for users (1pc.,4 poles)
• Dimensions : 100mm x 100mm
• Mounting form : 4-layer, double-side mounted
• Board configuration : 1 board
Overview
1.3 External Specifications
Rev.1.0 Dec 15, 2006 1-3
REJ10J0917-0100
1
1.4 External View
Figure1.4.1 shows the external view of M3A-HS49.
Overview
1.4 External View
Figure1.4.1 External View of M3A-HS49
Rev.1.0 Dec 15, 2006 1-4
REJ10J0917-0100
1
1.5 M3A-HS49 Block Diagram
Figure1.5.1 shows the system block diagram of M3A-HS49.
H-UDI Connector
(36-pin)
H-UDI Connector
(14-pin)
Serial Port
Connector
Overview
1.5 M3A-HS49 Block Diagram
User I/O
ector
Conn
AUD
H-UDI
SH7149
(80MHz)
Bus clock: 40MHz
16
SH7149 CPU Board
M3A-HS49
Extension connector
Figure1.5.1 System Block Diagram of M3A-HS49
Rev.1.0 Dec 15, 2006 1-5
REJ10J0917-0100
1
1.6 M3A-HS49 Board Overview
Figure1.6.1 shows the M3A-HS49 board overview.
Overview
1.6 M3A-HS49 Board Overview
<Top view of the component side >
J14
Extension
Connector
J3
Serial Port
Connector
U2
RS-232C Driver
LED2 to 7
User LED
J7,J8
User I/O Connector
*
JP3,JP4
Serial Port
Select
Jumpers
*
JP2
FWE Pin
Select
Jumpers
JP1
Power
SupplySelect
Jumpers
U1
SH7149
J5
Power Supply
Connector
SW1
Power Switch
LED1
Power LED
SW4
DIP Switch
for system setting
J1
H-UDI Connector
(36-pin)
J2
H-UDI Connector
(14-pin)
SW2
RESET
Switch
<Top view of the solder side >
J11
Extension Connector
J9
Extension Connector
*
*
Note *: Not mounted
SW3
DIP Switch
for users
U3
Reset IC
LED8
Interrupt Confirmation
SW5
NMI
Switch
Figure1.6.1 M3A-HS49 Board Overview
SW7
MRES
Switch
SW6
IRQ0
Switch
J13
Extension Connector
J12
Extension Connector
J6
User I/O Connector
J10
Extension Connector
*
*
*
*
Rev.1.0 Dec 15, 2006 1-6
REJ10J0917-0100
1
Table1.6.1 lists main components mounted in M3A-HS49.
Table1.6.1 Main Components Mounted in M3A-HS49
Symbol Parts Name Remarks Parts number for
U1 CPU SH7149 (Renesas)
U1 CPU Socket
U2 RS-232C Driver
U3 Reset IC M51957BFP (Renesas)
U4 Logic IC
X1 Oscillator 10.00MHz
J1 H-UDI Connector 36-pin type
J2 H-UDI Connector 14-pin type
J3 Serial Port Connector
J4 External Power Supply Connector Not mounted A2-2PA-2.54DSA (Hirose)
J5 Power Supply Connector
J6 User I/O Connector Not mounted
J7,J8 User I/O Connector Not mounted
J9,J11,J12 Extension Connector Not mounted
J10,J13 Extension Connector Not mounted
J14 Extension Connector Not mounted
LED1 Power LED Blue
LED2 to 7 User LED Green
LED8
SW1 Power Switch
SW2 Reset Switch
SW3 DIP Switch for users
SW4 DIP Switch for system setting
SW5 NMI Switch
SW6 IRQ0 Switch
SW7 MRES Switch
- Operational specifications Connectors, switches and LEDs
• SH7149 extension connector
• Switches and LEDs
• H-UDI connector
Detailed in Chapter 3.
Rev.1.0 Dec 15, 2006 2-2
REJ10J0917-0100
Functional Overview
2
2.2 CPU
The M3A-HS49 contains the 32-bit RISC microcomputer SH7149 that operates with a maximum 80MHz of CPU
clock frequency. The SH7149 includes 256-Kbyte flash memory, and 8-Kbyte SRAM, making it useful in a wide range
of applications from data processing to equipment control.
The M3A-HS49 can be operated with a maximum 80MHz of CPU clock frequency (external bus 40MHz, max) using
a 10MHz input clock.
Figure2.2.1 shows the block diagram of SH7149 in the M3A-HS49.
The SH7149 included in the M3A-HS49 contains a UART module. In the M3A-HS49, SCI channel 1 is connected to
J3 (Serial Port connector). Switch the connection of the J3 connector and J14 connector by the jumper (JP3, JP4)
setting.
Figure2.3.1 shows the block diagram of serial port interface in the M3A-HS49.
Serial Port
Connector (J3)
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
SH7149
RXD1(PA3)
TXD1(PA4)
JP4
2
JP3
2
RS232C
Driver
NC
1
3
1
3
GND
NC
RXD1(PA3)
TXD1(PA4)
Extension Connector (J14)
Figure2.3.1 Block Diagram of Serial Port Interface
Rev.1.0 Dec 15, 2006 2-4
REJ10J0917-0100
Functional Overview
2
2.4 I/O Ports
In the M3A-HS49, all of the SH7149's I/O ports are connected to the extension connector. Some I/O ports are
connected to DIP switches and LEDs of the M3A-HS49 board. Users are free to use these ports.
Figure2.4.1 shows the block diagram of DIP switch and LEDs in the M3A-H49.
Table2.4.1 shows functions of SH7149 I/O ports in the M3A-HS49.
The clock module in the M3A-HS49 consists of the following two blocks:
•
Output from a oscillator connected to EXTAL of the SH7149
Ceramic resonator connected to EXTAL and XTAL
•
The M3A-HS49 has a 10MHz oscillator connected to it as standard specification.
To connect an extension board to the extension connector, we recommend including a clock buffer that contains a
PLL to ensure that the board will be supplied with a stable clock signal.
Figure2.5.1 shows the block diagram of clock module.
EXTAL
XTAL
SH7149
PA15/CK
PA15/CK
(Extension connector)
Oscillator
CLK
R9
*
Ceramic Resonators
10MHz
*: To mount the ceramic oscillator, remove R9.
: Not mounted parts
Figure2.5.1 Block Diagram of Clock Module
Rev.1.0 Dec 15, 2006 2-7
REJ10J0917-0100
2
2.6 Reset Module
This module controls the reset signal connected to the SH7149 mounted on the M3A-HS49.
Figure2.6.1 shows the block diagram of reset module in the M3A-HS49.
Reset IC output delay time,td = 0.34×Cd(pF)usec = 34ms
Reset IC output detection voltage,Vs = 1.25 × (Ra+Rb)/Rb = 3.75V
H-UDI connector(J1,J2)
RES
Extension
Connector (J14)
Cd
Vcc
0.1uF
Reset switch
SW2
Ra
Rb
Vcc
20K
10K
Ω
Ω
Reset IC
M51957BP
Open-collector output
InputOutput
Delay capacitance
Figure2.6.1 Block Diagram of Reset Module
Functional Overview
2.6 Reset Module
Extension connector(J9,10)
RESET
SH7149
RES
Rev.1.0 Dec 15, 2006 2-8
REJ10J0917-0100
2
2.7 Interrupt Switches
In the M3A-HS49, the switch is connected with the IRQ0 (PB2) pin, MRES pin and NMI pin of the SH7149.
LED to confirm that the switch has been pushed is connected to the NMI switch and IRQ0 switch.
Figure2.7.1 shows the interrupt block diagram in the M3A-HS49.
VCC
Functional Overview
2.7 Interrupt Switches
SW5
NMI switch
SW6
IRQ0 switch
SW7
MRES switch
VCC
VCC
VCC
RED
LED8 ; LED for interrupt confirmation
Yellowgreen
SH7149
NMI
IRQ0(PB2)
MRES(PE13)
Figure2.7.1 Interrupt Block Diagram
Rev.1.0 Dec 15, 2006 2-9
REJ10J0917-0100
Functional Overview
2
2.8 E10A-USB Interface
2.8 E10A-USB Interface
The M3A-HS49 has a 36-pin H-UDI connector and 14-pin H-UDI connector included in it for connection to the
E10A-USB.
Because the SH7149's H-UDI pins and AUD pins are being output to the extension connector, do not use the
applicable pins of the extension connector when debugging with the H-UDI connector.
Figure2.8.1 shows the block diagram of E10A-USB interface.
Vcc
Vcc
H-UDI Connector(36-pin)
2
GND
4
GND
6
GND
8
GND
10
GND
12
GND
14
GND
16
GND
18
GND
20
GND
22
(GND)
24
GND
26
GND
28
GND
30
GND
32
GND
34
GND
36
GND
J1
AUDCK
AUDATA0
AUDATA1
AUDATA2
AUDATA3
AUDSYNC
TRST
ASEBRKAK/ASEBRK
UVCC
GND
Reset Signal
N.C.
N.C.
TCK
TMS
TDO
RES
N.C.
TDI
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
H-UDI Connector(14-pin)
11
UVCC
9
(GND)
10
GND
12
GND
13
GND
14
GND
Extension Connector (J14)
J2
TCK
TMS
TRST
TDI
TDO
ASEBRKAK/ASEBRK
N.C.
RES
1
5
2
6
3
4
8
7
SH7149
AUDCK
AUDATA0
AUDATA1
AUDATA2
AUDATA3
AUDSYNC
TCK
TMS
TRST
TDI
TDO
ASEBRKAK/ASEBRK
ASEMODE0
RES
Figure2.8.1 Block Diagram of E10A-USB Interface
Note : 36 pin type and 14 pin type of the H-UDI connector cannot be used at the same time.
Rev.1.0 Dec 15, 2006 2-10
REJ10J0917-0100
Chapter3Operational Specifications
Chapter3
Operational Specifications
3-1
3
3.1 M3A-HS49 Connectors Outline
Figure3.1.1 shows the M3A-HS49 Connector assignments.
<Top view of the component side >
J3
J14
Operational Specifications
3.1 M3A-HS49 Connectors Outline
J5
J4
J1
J7,J8
< Top view of the solder side >
J1 1
J2
J13
J12
J6
J9
J10
Figure3.1.1 M3A-HS49 Connector Assignments
Rev.1.0 Dec 15, 2006 3-2
REJ10J0917-0100
Operational Specifications
3
3.1.1 H-UDI Connector (J1, J2)
M3A-HS49 has the H-UDI (J1) connector and H-UDI (J2) connector included in it for connection to the E10A-USB
emulator.
Figure3.1.2 shows a pin assignment of H-UDI (J1) connector.
35
36
Board
edge
1
2
3.1.1 H-UDI Connector (J1, J2)
Top view of the
Component side
Board
edge
35
36
1
Side view
2
Figure3.1.2 Pin Assignment of H-UDI (J1) Connector
Table3.1.1 lists pin assignments of H-UDI connector.
Table3.1.1 Pin Assignments of H-UDI (J1) Connector
Figure3.1.3 shows a pin assignment of H-UDI (J2) connector.
714613512411310291
Operational Specifications
3.1.1 H-UDI Connector (J1, J2)
8
Board
edge
Board
edge
Figure3.1.3 Pin Assignment of H-UDI (J2) Connector
Table3.1.2 lists pin assignments of H-UDI (J2) connector.
Table3.1.2 Pin Assignments of H-UDI (J2) Connector
Pin Signal Name Pin Signal Name
1
TCK
_________
2
TRST
3
TDO
___________________
4
ASEBRKAK
5
TMS
6
TDI
_______
7
RES
______________
/ASEBRK
J2
8
9
10
11
12
13
14
NC
(GND)
GND
UVCC
GND
GND
GND
Top view of the
component side
Side view
Rev.1.0 Dec 15, 2006 3-4
REJ10J0917-0100
3
3.1.2 Serial Port Connector (J3)
The M3A-HS49 includes a serial port connector (J3) for serial communication.
Figure3.1.4 shows a pin assignment of serial port connector.
1
Board edge
6
Operational Specifications
3.1.2 Serial Port Connector (J3)
5
Top view of the
component side
9
Board edge
1
6
5
9
Side view
Figure3.1.4 Pin Assignment of Serial Port Connector (J3)
Table3.1.3 lists pin assignments of serial port connector.
Table3.1.3 Pin Assignments of Serial Port Connector (J3)
Pin Signal Name Pin Signal Name
1 NC 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
_______
4 DTR
_______
_______
_______
9 NC
5 GND
Pins 4-6 are loopback-connected. Pins 7-8 are loopback-connected.
Rev.1.0 Dec 15, 2006 3-5
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3
3.1.3 External Power Supply Connectors (J4)
3.1.3 External Power Supply Connectors (J4)
The M3A-HS49 includes external power supply connectors for the SH7149.
Figure3.1.5 shows a pin assignment of power supply connector.
12
J4
VCC
Figure3.1.5 Pin Assignment of Power Supply Connector (J4)
Table3.1.4 lists pin assignments of power supply connector for the SH7149.
Table3.1.4 Pin Assignment of Power Supply Connector (J4)
Pin Signal Name PinSignal Name
Top view of the
component side
Board
edge
Operational Specifications
1 +5V 2 GND
Rev.1.0 Dec 15, 2006 3-6
REJ10J0917-0100
3
3.1.4 Power Supply Connector (J5)
The M3A-HS49 includes a power supply connector for the board itself.
Figure3.1.6 shows a pin assignment of power supply connector.
12
Board
edge
J5
12
Operational Specifications
3.1.4 Power Supply Connector (J5)
Top view of the
component side
Board
edge
Figure3.1.6 Pin Assignment of Power Supply Connector (J5)
Table3.1.5 lists a pin assignment of power supply connector for the M3A-HS49.
Table3.1.5 Pin Assignment of Power Supply Connector (J5)
Pin Signal Name PinSignal Name
1 +5V 2 GND
Side view
Rev.1.0 Dec 15, 2006 3-7
REJ10J0917-0100
Operational Specifications
3
3.1.5 User I/O Connector (J6-J8)
The M3A-HS49 includes user I/O connectors to which the on-chip peripheral function pins of the SH7149 applicable
for motor control (e.g.,MTU2 and AD functions) are connected.
connector. Table3.1.6 lists pin assignments of user I/O connector (J6).
Board
edge
Top view of the
solder side
J6
12
25
Board
edge
26
Figure3.1.7 Pin Assignment of User I/O Connectors (J6-J8)
Figure3.1.7 shows a pin assignment of each user I/O
Board
edge
Top view of the
component side
J7 J8
1
1
2
2
3
3
Board
edge
3.1.5 User I/O Connector (J6-J8)
Table3.1.6 Pin Assignments of User I/O Connector (J6)
The M3A-HS49 includes extension connectors to which the I/O pins of the SH7149 are connected.
MIL Standard connectors can be connected to J9-J13, allowing the user to create extension board or monitor the
SH7149 bus signals.
The bus signals of SH7149 are connected to the terminal connector J10 (J13) through J9 (J12). There are J9 and
J12 for measuring the signals by measuring instrument. When an extension board is made, J10 and J13 of the
terminal connector are recommended to be used to prevent the waveform being distorted because of the reflection of
the signal.
Figure3.1.8 shows a pin assignment of extension connector.
Board edge
19 20
40
39
20
19
J12
2
1
J13
3.1.6 Extension Connectors (J9-J13)
2
1
Top view of the
solder side
Board edge
J11
J9
12
20
19
40
39
2
1
J10
Figure3.1.8 Pin Assignment of Extension Connectors (J9-J13)
2
1
Rev.1.0 Dec 15, 2006 3-10
REJ10J0917-0100
3
Table3.1.9 lists pin assignments of extension connectors (J9,J10).
Table3.1.9 Pin Assignments of Extension Connectors (J9, J10)
NC (PD11/D11/AUDATA3 when R55 mounted) H-UDI Connector(J1) when R55 mounted
NC (PD10/D10/AUDATA2 when R56 mounted) H-UDI Connector(J1) when R56 mounted
NC (PD9/D9/AUDATA1 when R57 mounted) H-UDI Connector(J1) when R57 mounted
NC (PD8/D8/SCK2/AUDATA0 when R58 mounted) H-UDI Connector(J1) when R58 mounted
______________
AUDRST
PD7/D7/IRQ3/TXD2 User I/O Connector(J7)
PD6/D6/IRQ2/RXD2 User I/O Connector(J7)
PD5/D5/IRQ1/SCK1 User I/O Connector(J7)
PD4/D4/IRQ0/TXD1 PD3/D3/RXD1 PD2/D2/SCK0 PD1/D1/TXD0 PD0/D0/RXD0 GND -
Operational Specifications
3.1.6 Extension Connectors (J9-J13)
Other connection
-
H-UDI Connector(J1)
-
Rev.1.0 Dec 15, 2006 3-13
REJ10J0917-0100
Operational Specifications
_
_
3
3.1.7 Extension Connector (J14)
Extension connector(J14) connects the pins necessary for writing a on-chip flash memory of SH7149.
Figure 3.1.9 lists pin assignments of the extension connectors.
Top view of the
component side
20
19
J14
3.1.7 Extension Connector (J14)
Board edge
Board edge
Figure 3.1.9 Pin assignments of the Extension Connector (J14)
Table 3.1.12 lists pin assignments of the extension connector(J14).
Table 3.1.12 Pin assignments of the extension connector (J14)
Signal name Other connection
-
1
2
Serial port Select Jumper (JP3), Extension connector(J9, J10)
Serial port Select Jumper (JP4), Extension connector(J9, J10)
Note *
Pin
1:
*
______
RES
1
GND -
2
FWE FWE pin Select Jumper (JP2)
3
GND -
4
MD0 DIP switch for system setting (SW4-3)
5
GND -
6
MD1 DIP switch for system setting (SW4-2)
7
GND -
8
NC -
9
GND -
10
NC -
11
GND -
12
NC -
13
GND -
14
FTXD1(PA4/TXD1)*
15
GND -
16
FRXD1(PA3/RXD1)*
17
VCC -
18
NC -
19
VCC -
20
When serial port select jumper (JP3) is set to “2-3”, it is activated.
2
: When serial port select jumper (JP4) is set to “2-3”, it is activated.
1
2
Rev.1.0 Dec 15, 2006 3-14
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3.2 Outline of Switches and LEDs
The M3A-HS49 includes switches and LEDs as its operational components.
Figure3.2.1 shows the M3A-H49 operational component assignment.
The JP1 allows the sources for the SH7149 power supply voltages to be selected.
Figure3.2.2 shows the SH7149 power supply voltage select jumper (JP1) assignment.
Table3.2.1 lists jumper setting for selecting SH7149 power supply voltage (JP1).
Top view of the
Component side
Board
edge
3
2
1
JP1 PWRSEL
Figure3.2.2 SH7149 Power Supply Voltage Select Jumper (JP1) Assignment
Table3.2.1 Jumper Setting for Selecting SH7149 Power Supply Voltage (JP1)
Jumper Setting Function
Board
edge
Operational Specifications
JP1
PWRSEL
1 - 2
2 - 3
5V fixed power supply voltage
External power supply voltage (supplied from J4)
: Initial Setting
Note : Do not change jumper settings while the operation of M3A-HS49. Ensure to turn off the power for the
M3A-HS49 before changing jumper settings.
Rev.1.0 Dec 15, 2006 3-16
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3
3.2.2 FWE Pin Select Jumper (JP2)
The JP2 allows the connection for the FWE pin to be selected.
Figure3.2.2 shows the FWE pin select jumper (JP2) assignment.
Table3.2.1 lists the jumper setting for selecting FWE pin (JP2).
Table3.2.2 Jumper Setting for Selecting FWE pin (JP2)
Jumper Setting Function
Operational Specifications
3.2.2 FWE Pin Select Jumper (JP2)
Top view of the
component side
3
2
1
JP2 FWESEL
Board
edge
1 - 2 The FWE pin of SH7149 is connected with DIP Switch (SW4-1). JP2
FWESEL
: Initial Setting
Note : Do not change jumper settings while the operation of M3A-HS49. Ensure to turn off the power for the
M3A-HS49 before changing jumper settings.
2 - 3 The FWE pin of SH7149 is connected with Extension Connector (J14).
Rev.1.0 Dec 15, 2006 3-17
REJ10J0917-0100
Operational Specifications
3
3.2.3 Serial Port Select Jumpers (JP3,JP4)
The JP3 and JP4 allow the connection for the Serial port (TXD1 and RXD1) in the SH7149 to be selected.
Figure 3.2.4 shows the Serial port select jumper (JP3, JP4) assignment.
Table 3.2.3 and Table 3.2.4 list the jumper setting for selecting Serial port (JP3, JP4).
Top view of the
Component side
3
3
JP3 TXD1 SEL
1
JP4 RXD1 SEL
1
Board
edge
Figure 3.2.4 Serial Port Select Jumper (JP3, JP4) Assignment
Table 3.2.3 Jumper Setting for Selecting Serial Port (JP3)
Jumper Setting Function
3.2.3 Serial Port Select Jumpers (JP3,JP4)
Board
edge
1 - 2 The TXD1 pin of SH7149 is connected with Serial port connector (J3). JP3
TXD1 SEL
2 - 3 The TXD1 pin of SH7149 is connected with extension connector (J14).
: Initial Setting
Table 3.2.4 Jumper Setting for Selecting Serial Port (JP4)
Jumper Setting Function
1 - 2 The RXD1 pin of SH7149 is connected with Serial port connector (J3). JP4
RXD1 SEL
2 - 3 The RXD1 pin of SH7149 is connected with extension connector (J14).
: Initial Setting
Note : Do not change jumper settings while the operation of M3A-HS49. Ensure to turn off the power for the
M3A-HS49 before changing jumper settings.
Rev.1.0 Dec 15, 2006 3-18
REJ10J0917-0100
Operational Specifications
3
3.2.4 Switch and LED Functions
The M3A-HS49 includes seven switches and eight LEDs.
Figure3.2.5 shows the switch and LED pin assignment. Table3.2.5 lists switches mounted on M3A-HS49.
3.2.4 Switch and LED Functions
Figure3.2.5 Switch and LED Pin Assignment
Table3.2.5 Switches Mounted on M3A-HS49
No. Function Remarks
SW1 System power on/off switch SW2 System reset input switch ref. section 2.6
SW3 DIP switch for users
SW3-1 OFF : PB0=H, ON : PB0=L
SW3-2 OFF : PB16=H, ON : PB16=L
SW3-3 OFF : PB17=H, ON : PB17=L
SW3-4 OFF : PB18=H, ON : PB18=L
SW4 DIP switch for CPU mode setting ref. Table3.2.6
SW5 NMI input switch ref. section 2.7
SW6 IRQ0 input switch ref. section 2.7
SW7 MRES* input switch ref. section 2.7
*: By MRES (manual reset), each register of the on-chip peripheral module is not initialized though an internal state of
CPU is initialized.
PB0, PB16, PB17 and PB18 are pulled up.
ref. section 2.4
Rev.1.0 Dec 15, 2006 3-19
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Operational Specifications
3
Table3.2.6 lists functions of switch SW4. SH7149 operating mode is determined by the setting of the MD0, MD1 and
FWE pins. Table3.2.7 lists the selection of SH7149 operating modes.
Table3.2.6 Functions of Switch SW4
No. Setting Function
OFF FWE=H (Releasing the writing/erasing protects of on-chip flash memory) SW4-1
FWE
MD1
MD0
: Initial Setting
SW4-1
(FWE)
ON ON ON Mode0
ON ON OFF Mode1
ON OFF ON Mode2 MCU extension mode2 (On-chip ROM active)
ON OFF OFF Mode3 Single chip mode (On-chip ROM active)
OFF ON ON Mode4 Boot mode (On-chip ROM active)
OFF ON OFF Mode5 User Boot mode (On-chip ROM active)
OFF OFF ON Mode6 User Programming mode (On-chip ROM active)
OFF OFF OFF Mode7 User Programming mode (On-chip ROM active)
: Initial Setting
Table3.2.8 lists functions of LEDs mounted in M3A-HS49.
ON FWE=L (Setting the writing erasing protects of on-chip flash memory)
OFF MD1 pin state “H” SW4-2
ON MD1 pin state “L”
OFF MD0 pin state “H” SW4-3
ON MD0 pin state “L”
Table3.2.7 Selection of SH7149 operating modes
SW4-2
(MD1)
SW4-3
(MD0)
Operating modeMode name
SH7149 Operating mode
MCU extension mode0
(On-chip ROM not active, CSO space: 8-bit bus width)
MCU extension mode1
(On-chip ROM not active, CSO space: 8-bit bus width))
3.2.4 Switch and LED Functions
CPU mode setting
(ref. Table3.2.7)
Table3.2.8 Functions of LEDs Mounted in M3A-HS49
No. Color
Functions/Remarks
LED1 Blue Power-on LED (LED1 lights when power is supplied)
LED2 Green Open to the user (LED2 lights when PE0 outputs “L”)
LED3 Green Open to the user (LED3 lights when PE9 outputs “L”)
LED4 Green Open to the user (LED4 lights when PE11 outputs “L”)
LED5 Green Open to the user (LED5 lights when PE12 outputs “L”)
LED6 Green Open to the user (LED6 lights when PE14 outputs “L”)
LED7 Green Open to the user (LED7 lights when PE15 outputs “L”)
LED8
Red Interrupt confirmation (LED8 lights red when pushing at NMI switch (SW5).