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AMIMON's standard warranty. Testing and other quality control techniques are used to the extent AMIMON deems necessary to
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Contact Us
US Office
2350 Mission College Blvd.
Suite 500
Santa Clara, CA 95054
Tel: +1 650 641 7178
Version 0.5
AMIMON Confidential 2
Israeli Headquarters
2 Maskit St.
Building D, 2nd Floor
P.O.Box 12618
Herzlia 46733, Israel
Tel: +972-9-962-9222
Fax: +972-9-956-5467
[email protected]
Japan Office
FS Building 9F.
1-14-9 Higashi-Gotanda Shinagawa-ku
Tokyo 141-0022,
Japan
TEL +81-3-3444-4305
[email protected]
Page 3
Revision History
Version Date Description
0.1 - Initial Release
0.2 15.6.08 Revision
Board Mechanical size
Reset and Wake-up Timer modified
RF frame modified
Power switch on RF removed
Operating Conditions and Electrical Characteristics modified
AMN11310 Block Diagram modified
Unhide Certification & Compliance
Power requirements
Mini-MAC changed to MAC.
WHDI Module Configuration
Connector Schematics
Stack up
Test Points and Jumpers
0.3 20.7.08 Fixed link to STMF datasheet p-18.
Fixed Table 1: Rx WHDI Connector Pin List
Fixed recommended stack up table p- 29
0.4 03.08.08 Add section MCLK Specifications
0.5 2.9.08 Change in FCC chapter
Revision History
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Page 4
Table of Contents
S
Table of Contents
Important Notice......................................................................................................2
Revision History ......................................................................................................3
Table of Contents ....................................................................................................4
List of Figures .........................................................................................................6
List of Tables ..........................................................................................................6
1.1 Features ...................................................................................................................................................8
2.4 Power Amplifier (PA)............................................................................................................................. 13
6.1 Digital Layout Recommendation ..........................................................................................................32
6.1.1 Stack Up .......................................................................................................................................... 32
6.1.2 General Guidelines .......................................................................................................................... 33
Figure 3: Video Data Receiver Path........................................................................................................................15
Table 14: Digital Layout Recommendation .............................................................................................................32
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Introduction
Chapter 1
Introduction
The AMN12310 is the second generation of WHDITM receiver board. It is based on AMIMON's W HDI receiver
chipset: the AMN2210 baseband receiver and the AMN3210 RFIC receiver.
The AMN12310 WHDITM wireless receiver module, together with the AMN11310 wireless transmitter module,
presents the ultimate solution for converting any High Definition (HD) system into a wireless one. These add-on
modules enable wireless A/V applications that easily fit into the living room and eliminate traditional A/V wiring.
The perfect HD video and audio quality and the high robustness are unmatched by any other wireless technology,
and present a true alternative to cable. The WHDI system transmits uncompressed video and audio streams
wirelessly and thus simplifies and eliminates system issues, such as: lip-sync, large buffers and other burdens
like retransmissions or error propagation.
1.1 Features
• Uncompressed and uncompromised HD video quality, using AMIMON's baseband chipsets:
AMN2210: WHDITM Baseband Receiver
AMN3210: WHDITM RFIC Receiver
• WHDI – Wireless High Definition Interface:
Digital video: 30-bit RGB or YCrCb
Digital audio: I2S and SPDIF
Two-wire serial bus slave interface
One interrupt line
• Supports any uncompressed video resolutions, including:
I2S: Two PCM channels (sampled up to 48 KHz x 24 bit)
SPDIF: Including AC-3, DTS
• Strong 256-bit AES encryption
• User-defined two-way channel with minimum 10 Kbps for data and control
• Less than 1mSec latency between source and sink
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Introduction
•Small mechanical footprint:
With PCB integrated antennas
•RF characteristics:
MIMO technology, using 5GHz unlicensed band, 18MHz bandwidth.
Coexists with 802.11a/n and 5.8GHz cordless devices.
Support for Automatic Transmission Power Control (ATPC).
No line of sight needed between transmitter and receiver. It has a range of over 30 meters, suitable for
almost any room.
14mW typical transmission power of the uplink channel.
Maximum 45mW transmission power of the uplink channel.
Minimum -65 dBm received signal power for successful operation
• Current consumption
Option to to disable 40MHz digital clock to AMN2210 from AMN3210.
• Power requirements:
3.3V (±5%), ~4.2W
• Certification & Compliance:
FCC
This product is for indoor use only in the band of 5.15-5.25GHz.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by Amimon for compliance could void the
user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
MIC
This device has complied with Japan Radio law:
Item 19-11 of Article 1 paragraph 1 of certification ordinance.
Item 19-3 of Article 1 paragraph 1 of certification ordinance.
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Introduction
•Caution: The module should be positioned so that personnel in the area for prolonged periods may safely
remain at least 20 cm (8 in) in an uncontrolled environment from the module.
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Overview
Chapter 2
Overview
The AMN12310 WHDI Video Display Unit (VDU) is designed to be at the receiver end of the WHDI downstream.
The AMN12310 receives wireless downstream transmission, demodulates it and regenerates the video, audio
and control content transmitted by the AMN11310 WHDI transmitter. The receiver works at the 5GHz unlicensed
band. Figure 1 displays a block diagram of the AMN12310. It has an MIMO design of five wireless input channels,
and one slow rate output wireless channel, which generates an upstream channel for data content transmissions.
The outputs from the VDU are digital uncompressed video, digital audio and control, all via the WHDI connector.
The MAC uC is responsible for the control and the management.
CY22150
Video
PLL
Control
CLK
Two-Wire
In
VIDEO
CLK
Out
Clk40M_OE
CLK40M
rssi
AMN3210
clken
DIG_CLK (40M)
3.3V_RAIL
fb
3.3V
3.3V
40M XTAL
PA
RX_ANT0_P/N
Interrupt
Control
TwoWire
Audio
RESET
PIN#62
Connector
TH
80 PinWHDI
AMN2210
WHDITM Baseband Receiver
UC_MAC_CLK
(Clock 10MHz)
SPI
Int
PIN 5#
PIN#37-40
uC
MAC
S_RESET_B
PIN#61
PIN#15
Figure 1: AMN12310 Block Diagram
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Overview
The main building blocks of the AMN12310 are as follows:
• AMN2210 WHDI Baseband Receiver, as briefly described on page 12
• STM32F MAC µController, as briefly described on page 12
• AMN3210 WHDITM 5GHz Transceiver, as briefly described on page 13
• Power Amplifier (PA), as briefly described on page 13
• Board Connector (WHDITM Connector), as described on page 13
• Clock enable switch for input 40M clock to AMN2110, as described on page 13
• 40MHz Crystal Oscillator, as described on page 13
• CY22150 External Video PLL, as described on page 14
2.1 AMN2210 WHDI Baseband Receiver
The AMN2210 WHDITM baseband receiver chip is the heart of the AMN12310 WHDI Receiver module. The
AMN2210 interfaces the A/V source through the WHDI connector, and is controlled on board by the MAC uC.
WHDITM Baseband Receiver
ADC
ADC
ADC
ADC
ADC
DAC
Downlink
De-modulation
Uplink
modulation
AMN2210
Figure 2: WHDI Baseband Receiver Chipset
Video
Interface
Audio
Interface
Control
MiniMAC
MicroController
Video
Sink
Audio
Sink
The AMN2210 is based on MIMO technology receiving up to five input channels. Five analog-to-digital converters
and one digital-to-analog converter are embedded within the chip.
The AMN2210 internal PLL accepts an input clock frequency of 40MHz. The input frequency is multiplied and
then used as an internal system clock.
2.2 STM32F MAC µController
The STM32F Microcontroller is based on an ARM 32-bit Cortex™-M3 CPU, with 128 Kbytes of embedded Flash
memory. It is used as an external microcontroller for implementing the MAC layer of the WHDI link.
The STM32F Internal PLL accepts an input clock frequency of 10MHz and generates an internal 60MHz system
clock. The STM32F also has the option to work with an internal 4-to-16 MHz crystal oscillator.
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Overview
2.3 AMN3210 WHDITM 5GHz Transceiver
The VDU uses AMN3210 WHDI receiver chip. The AMN3210 is a fully integrated Zero-IF MIMO receiver
specifically designed for WHDI applications using OFDM modulation for single-band 4.9GHz to 5.9GHz. The
device includes:
• Five Complete Downlink Zero-IF Receivers
• One Uplink Direct Conversion Transmitter
• Integrated Synthesizer/VCO
• Internal DC Servo Loops
• RSSI, RF and Baseband Control Interface
• Power Management Unit
• 3-Wire SPI Interface
To complete RF front-end solution, the AMN3210 uses external PA, RF Band Pass Filters (BPF), RF BALUNs
and a few passive components.
2.4 Power Amplifier (PA)
In order to extend the operating range for the AMN12310 upstream, the RF transmitter uses a power amplifier.
The power amplifier has an output power detector for TPC purposes.
AMN12310 uses Sharp IRM053U7 PA.
2.5 Board Connector (WHDITM Connector)
For information regarding the connector specification and pin-outs see section 4.1, Signals, page 26.
2.6 Clocks
2.6.1 40MHz Crystal Oscillator
An on-board 40MHz crystal oscillator is connected to the AMN3210 chip.
2.6.2 40Mhz Digital Clock
AMN3210 drives the 40MHz clock to the baseband AMN2210 through a buffer (with output enable).
This clock is named DIG_CLK. The control to the output buffer is named Clk40M_OE.
2.6.3 10Mhz Micro Controller Clock
The DIG_CLK (40MHz) clock is divided by four by the AMN2210 and generates 10MHz that drives the STM32F
UC.
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Overview
2.7 CY22150 External Video PLL
An external PLL is used for re-generating the video clock. The PLL receives a lower speed clock (generally
limited to 10 MHz), which is generated inside the AMN2210 according to the video parameters. The PLL
multiplies the clock to the desired speed dictated by the incoming video format (for example: 74.25Mhz for 720p
or 1080i).
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3.1 Video Data Input and Conversions
Interfaces
Chapter 3
Interfaces
Figure 3: Video Data Receiver Path
Figure 3 shows the basic control over the video data output. Essentially the receiver mirrors the video format of
the transmitter end and so most of the configurations are done on the transmitter end.
The video output data is uncompressed digital video up to 3*10 bits in width. The video interface provides a direct
connection to the inputs of a display device, an HDMI transmitter, or any other video interface device.
Color Space Converter
The receiver can output either RGB or YCbCr color space. For more details, you may refer to the MAC registers
in the programmer's reference guide.
Color Range Limiter
The YCbCr data range can be limited to 16-235.
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Interfaces
Common Video Output Format
Table 2 lists the common supported video output resolutions.
Table 2: Common Supported Video Input Resolutions
Color Space Video Format
RGB/YCbCr 4:4:4 24 27 27 65 74.25 74.25
Bus
Width
Input Pixel Clock (MHz)
480i 480p XGA 720p 1080i
Video Channel Mapping
The 30 bit video output signals are mapped to the RGB and YCbCr color space according to the options
described in the following table:
Table 3: Video Channel Mapping
Option D[29:20] D[19:10] D[9:0]
#1 RED (Cr) GREEN (Y) BLUE (Cb)
#2 RED (Cr) BLUE (Cb) GREEN (Y)
#3 GREEN (Y) RED (Cr) BLUE (Cb)
#4 GREEN (Y) BLUE (Cb) RED (Cr)
#5 BLUE (Cb) RED (Cr) GREEN (Y)
#6 BLUE (Cb) GREEN (Y) RED (Cr)
The AMN123100 allows any of the output video channels options. The first option is the default from power-up. In
order to change the video channel mapping, refer to the appropriate programmer's reference guide.
3.2 Video Interface Output Timing Diagram
3.2.1 Timing Requirements
Important: The following parameters relate to the AMN2210 baseband chipset and not to the entire AMN12310
board.
Table 4: Video Interface
Symbol Parameter MIN TYP MAX Units
TDCKCYC DCLK period 12.5 40 Ns
TDCKFREQ DCLK frequency 25* 80 MHz
TDCKDUTY DCLK duty cycle 40% 60% Ns
TDCKPDR
TDCKPDF
* It is possible to support lower clock frequency using an external PLL for video clock generation.
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Propagation delay after DCLK rising edge
Propagation delay after DCLK falling edge
1.0 4.0 Ns
1.0 4.0 Ns
Page 17
3.2.1.1 Timing Diagram
EDGE = 0EDGE = 1
Interfaces
Figure 4: Timing Diagram
3.3 Audio Data Capture
AMN12310 audio processing logic block receives the audio stream from the WHDI wireless link and regenerates
the appropriate clock and data. If the transmitter end was configured to SPDIF audio interface, then the audio is
output on the receiver side through the SPDIF. The same is true for the I2S interface.
No constraints exist for a coherent video and audio clock, where coherent means that the audio and the video
clock must have been created from the same clock source. The AMN12310 supports two-channel audio-sampling
frequencies of up to 48 KHz, 32 bits per sample.
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Interfaces
3.3.1 I2S Bus Specification
The AMN12310 supports a standardized communication structure inter-IC sound (I2S) bus. As shown in Figure 5,
the bus has three lines: continuous serial clock (SCK), word select (WS) and serial data (SD). In addition, it has a
MCLK signal which is synchronized to and a multiple of the WS. The external device generating SCK and WS is
the AMN12310.
Figure 5: I2S Simple System Configurations and Basic Interface Timing
The AMN12310 outputs exactly 32 bits for each channel (left and right). By default, the serial data is valid on the
leading (LOW to HIGH) edge of the clock signal, but it can also be configured to be valid on the edge (HIGH to
LOW) of the clock signal. The WS is also valid by default on the leading edge of the clock signal. The WS line
changes one clock period before the first bit of the transmitted channel.
The AMN12310 mirrors the transmitter's end audio inputs and so the MSB and the LSB position are defined at
the audio source at the transmitter side. In case the audio samples in the transmitter are less than 32 bits long,
they are padded with zeroes to generate receiver output samples of 32 bits.
3.3.1.1 MUTE
The AMN12310 has an error detection mechanism. It outputs a high MUTE signal in case of bad audio reception
(bad frames).
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3.3.1.2 Timing Requirements
Table 5: Audio Interface Output Timing
Symbol Parameter MIN TYP MAX Units
TSCKCYC SCK period 325 976 ns
TSCKFREQ SCK frequency 1.024 3.072 MHz
TSCKDUTY SCK duty cycle 40 60 %
TDCKPDR Propagation delay after SCK rising edge 25 ns
TDCKPDF Propagation delay after SCK falling edge 25 ns
3.3.1.3 Timing Diagram
T
SCKCYC
T
SCKDUTY
Interfaces
SCK
EDGE = 1EDGE = 0
SD,WS
SCK
SD,WS
50%
T
SCKCYC
T
DCKPDF
50%
T
DCKPDR
T
SCKDUTY
Figure 6: I2S Output Timings
3.3.1.4 MCLK Specifications
In addition, AMN2210 outputs a MCLK signal which is synchronized to and a multiple of the WS. The default
configuration of the MCLK frequency is 256 times the sampling frequency of the audio signal. For example, if the
audio sampling frequency is 48 KHz, the MCLK frequency will be 12.288 MHz. The following table provides the
specification of the MCLK –
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Interfaces
Table 6: MCLK timing.
Symbol Parameter MIN TYP MAX Units
T
MCKCYC
T
MCKFREQ
T
MCKDUTY
T
DCKPDR
T
DCKPDF
T
JITTER-CYC-
CYC
MCK period 244.14
MCK frequency 4.096*
MCK duty cycle 40
Propagation delay after MCK
rising edge
Propagation delay after MCK
falling edge
Cycle-to-cycle jitter*** 5
81.38 ns
12.288** MHz
60 %
25 ns
25 ns
ns
* The minimum frequency is obtained by using the minimum audio sampling frequency of 32 KHz and the
minimum clock rate multiplication of 128.
** The maximum frequency is obtained by using the minimum audio sampling frequency 48 KHz and the
minimum clock rate multiplication of 256.
*** The cycle-to-cycle jitter is based on the system clock of the AMN2210, which is 200 MHz.
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Interfaces
3.4 Management Buses and Connectors
3.4.1 Two-Wire Serial Bus Interface
The WHDI application observes and controls the AMN12310 via a Two-Wire interface and an interrupt line
connecting the application microcontroller and the AMN12310 MAC microcontroller. The protocol of the TwoWire-bus for the WHDI application / MAC interface is described in the following sections.
The Two-Wire bus is bidirectional and, as its name implies, it has only two wires: a Serial Clock Line (SCL) and a
Serial Data Line (SDA). The Two-Wire architecture includes master and slave devices. The master initiates a
data transfer on the bus and generates the clock signal. The AMN12310 MAC operates as a slave device. Each
slave device is recognized by a unique address and can operate as either a receive-only device or a transmitter
with the ability to both receive and send information.
SDA
Application
MicroController
(Two-Wire Master)
Figure 7: Two-Wire/Application-MAC Connection
On top of the Two-Wire low level operation described in sections 3.4.1.3 and 3.4.1.4, the WHDI Application and
the MAC microcontrollers communicate with each other in a defined protocol, which avoids all possibilities of
confusion. The protocol defines command oriented transactions between the application and the WHDI MAC.
Each Two-Wire command has a predefined data byte length and is defined to be exactly one Two-Wire
transaction long.
SCL
WHDI MAC
(Two-Wire Slave)
3.4.1.1 Two-Wire Timing
Generally, the clock frequency of the bus is dictated by the slowest device on the Two-Wire interface. However,
the selected MAC supports the 100 KHz SCL frequency rate.
Refer to STM32F Two-wire reference application note for detailed description of the physical protocol and timing.
The MAC device address may be altered by two jumpers on VDU/VSU board.
Table 7: Device Addresses
Device Address
MAC uC
Alternatively, the device address can be set in the MAC SW in advance.
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0x62 or 0x82 or 0x90 or 0x70
(Board configuration dependant)
Page 22
Interfaces
3.4.1.3 MAC uC Write Operation
Figure 8 demonstrates a write transaction which sends 2 data bytes and which ends with the master stop bit.
Each write transaction sends one or more data bytes to the MAC, beginning at an explicit 2 bytes long address.
Multiple data bytes may be written as the MAC stores the received register data until the master sends a stop bit.
The MAC updates the register value upon a successful termination of a write transaction.
Two-Wire Slave address ack
...
I
6
writeI
5
register addressack
...
A
A
15
14
register addressack
A
8
...
A
A
7
A
6
0
register data0ack
...
D7D0D6
register data1ack
...
D
D
7
6
D
STOPSTART
0
Figure 8: Two-Wire MAC Write Commands
3.4.1.4 MAC uC Read Operation
This operation reads from a specific 2- byte address. The read transaction is divided into two parts. In the first
part, the Two-Wire master sends a write command to the slave containing only the required start address. (The
address is always 2 bytes long.) In the second part, multiple bytes may be read from consecutive addresses. The
MAC puts the appropriate data on the Two-Wire bus and the internal address is automatically incremented. A
stop bit is sent by the master only when the entire transaction has been completed.
The WHDI programmer’s reference defines the MAC registers data structure. Each register has an associated
group id and index offset address.
The group id and the index offset are each 1 byte long. Together they define a register address that is 2 bytes
long.
Each register has an attributed length (in byte units). All registers within the same group have the same length.
A Two-Wire transaction to a specific register includes 2 bytes of register address and the register data bytes. The
register is written in one transaction. If the transaction terminates ahead of time or is too long, the MAC issues an
error interrupt and does not store the received values. The register is read in one transaction, as described in
section 3.4.1.4. If the read transaction finishes ahead of time, the MAC issues an error interrupt.
3.4.2 Interrupts
There is one interrupt connected to the WHDI connector. The interrupt source is the AMN2210 MAC uC. For
details about the interrupt, please refer to the programmer's user guide. . The interrupt active polarity is set in SW
or by configuration resistors on board – see 3.4.3.
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Interfaces
3.4.3 WHDI Module Configuration
In order to distinguish between boards and by the SW, there is an on board ID that can be read by the STM32F.
WHDI_MODULE_ID (Details)
Amimon Project
Part Number
AMN11310 Rev. 2.0 1 0 0 0 0 0 0 0
AMN12310 Rev. 2.0 1 0 1 0 0 0 1 0
[7] [6] [5] [4] [3] [2] [1] [0]
Tx="0",
Rx="1"
Interrupt Polarity:
"0"=falling, "1"=rising
I2C Address: "00"=0x62,
"01"=0x72, 10"=0x60, 11"=0x70
MODULE_ID
Comments
3.5 Reset and Wake-up Timer
The AMN11100 has one hard
described in Figure 11. Assertion of the STM32F reset switches the clock of uC to the internal oscillator until the
Albatross does not assert an INIT_DONE interrupt. Assertion of the Albatross reset enables the generation of the
10 MHz clock. After a hard reset, the MAC asserts the SW reset signal which just clears the registers without
resetting the clock generation scheme.
When the INIT_DONE is asserted, it indicates the completion of the Albatross initialization and that the 10 MHz
clock is stable. At that point, the uC switches to the external clock source from the Albatross and enable
communication with the application microcontroller.
RESET
input pin connected directly to the AMN2110 and to the STM32F uC, as
ST
T
clkrstT−
rst
T
init
Figure 10: Reset Time Diagram
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Interfaces
The following table specifies the timing parameters -
Table 8: Reset Timing Requirements
Symbol Parameter Condition MIN TYP MAX Units
T
RST-CLK
T
ST,RST
T
INIT
Time from assertion of the HW reset until valid
clock is generated
Time from assertion of the HW reset until the
STM32F completes the internal initialization
Time from assertion of the HW/SW reset until the
AMN2210 completes the internal initialization
40 MHz clock is valid –
few us after power up
Power is stable 4.5 ms
1.7 ms
300 ns
The following figure specifies the reset schema and related signals -
Figure 11: Reset Mechanism
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WHDI Connector Pins
Chapter 4
WHDI Connector Pins
4.1 Signals
Table 9: WHDI Connector Signals
# of
Pin Name Description/Functionality Group Direction
Pins
30 D[29:0] 30-bit RGB (10:10:10) or YCrCb (10:10:10) Video Out
1 DCLK Video data clock Video Out Up to 78.125 MHz
1 DE Data enable Video Out
1 H_SYNC Horizontal sync Video Out
1 V_SYNC Vertical sync Video Out
1 SPDIF SPDIF audio interface Audio Out
1 SD I2S audio interface Serial Data signals Audio Out
1 SCLK I2S continuous serial clock Audio Out Up to 3.072Mbps
1 WS(LRCLK) I2S Word Select (Left/right clock) which defines
1 MCLK
1 SDA Two-wire Serial Bus Data (Slave Mode) Control I/O Control I/F for WHDI
1 SCL Two-wire Serial Bus Clock (Slave Mode) Control In Control I/F for WHDI
1 INT Interrupt from WHDI module Control Out
1
RESET
1 MUTE (TBD6) MUTE signal Audio Out
also the sampling rate
I2S master clock coherent to WS according to
specified ratio
Reset / Power-down line Control In
Audio Out
Audio Out
Rate is adjustable on RX
side
Signals audio error and can
be used by the next audio
device down the line to
mute the audio when errors
occur
Remarks
2 TBD[5:4]
8 3.3V VCC Power Power 300 mA maximum rating per
17 GND Ground Power Power
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AMIMON Confidential 26
TBD4, TBD5, are reserved in, AMN12310 as an
option for RS232 connection to STM32F UART2.