3Electrical specification of the interface
The Hirose DF12C board to board connector on the module is a 40 way
Pin | Signal | Description |
1 | Analogue 0 | 1.8v Max |
3 | Analogue 1 | 1.8v Max |
5 | SPI_MISO | SPI bus serial |
|
| O/P |
7 | SPI_CSB | SPI bus chip |
|
| select I/P |
9 | SPI_CLK | SPI bus clock |
|
| I/P |
11 | GND |
|
|
|
|
13 | RESET | Reset I/P |
|
|
|
15 | GND |
|
|
|
|
17 | SPI_MOSI | SPI bus serial |
|
| I/P |
19 | UART_CTS | Clear to Send |
|
| I/P |
21 | UART_TX | Transmit Data |
|
| O/P |
23 | UART_RTS | Request to |
|
| Send O/P |
25 | UART_RX | Receive Data |
|
| I/P |
27 | VCC_3V3 | 3.3V Output |
|
| (Note 3) |
29 | VCC_5V | 3.6V < VIN < |
|
| 6.0V |
31 | N/C |
|
33 | N/C |
|
35 | N/C |
|
37 | N/C |
|
39 | VCC_1V8 | 1.8V Output |
|
| (Note 3) |
Pin | Signal | Description |
2 | GPIO1 | I/O for Host |
4 | GPIO2 | I/O for Host |
6 | UART_RI | ‘Ring’ Input or |
|
| Output |
8 | UART_DCD | Input or Output |
|
|
|
10 | UART_DSR | Input |
|
|
|
12 | GPIO3/UART | I/O for Host |
| _DTR |
|
14 | GPIO4 | I/O for Host |
|
| (Right LED)(2) |
16 | GPIO5 | I/O for Host (Left |
|
| LED) (2) |
18 | GND |
|
|
|
|
20 | PCM_CLK | PCM Clock I/P |
|
|
|
22 | PCM_IN | PCM Data I/P |
|
|
|
24 | PCM_SYNC | PCM Sync I/P |
|
|
|
26 | PCM_OUT | PCM Data O/P |
|
|
|
28 | N/C |
|
|
|
|
30 | GND |
|
|
|
|
32 | RESERVED | Do not connect |
34 | RESERVED | Do not connect |
36 | GND |
|
38 | GND |
|
40 | N/C |
|
|
|
|
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