![](/images/new-backgrounds/1194030/19403033x1.webp)
Table 4 OEM Interface Signal Description
Signal | Pin | Type | Description |
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TPRX+, TPRX- | 1,3 | Differential | Ethernet Transmit Data primary |
|
| output |
|
TPTX+, TPTX- | 2,4 | Differential | Ethernet Receive Data primary |
|
| input |
|
|
|
|
|
AVDD | 7 | Power | Ethernet Power Output to transformer |
|
|
| center tap |
|
|
|
|
UART0_RXD | 9 | Input | Serial Port 1 Receive Data |
|
|
|
|
UART0_TXD | 10 | Output | Serial Port 1 Transmit Data |
|
|
|
|
UART0_RTS | 15 | Output | Serial Port 1 Request To Send |
|
|
|
|
UART0_CTS | 16 | Input | Serial Port 1 Clear to Send |
|
|
|
|
UART1_RXD | 22 | Input | Serial Port 2 Receive Data |
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|
|
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UART1_TXD | 21 | Output | Serial Port 2 Transmit Data |
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|
|
|
UART1_RTS | 17 | Output | Serial Port 2 Request To Send |
|
|
|
|
UART1_CTS | 18 | Input | Serial Port 2 Clear to Send |
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|
|
|
GPIO1, GPIO2, | 29, 31, 35, 36, | Input/Output | General Purpose Input/Output Signals 1- |
GPIO3, GPIO4, | 39, 40, 5, 6, |
| 10, User defined |
GPIO5, GPIO6, | 10, 12 |
|
|
GPIO7, GPIO8, |
|
|
|
GPIO9, GPIO10 |
|
|
|
SPI_CS | 25 | Output | Serial Peripheral Interface Chip Select |
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|
| |
|
|
|
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SPI_SDO | 30 | Output | Serial Peripheral Interface Data Out |
|
|
|
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SPI_SDI | 32 | Input | Serial Peripheral Interface Data In |
|
|
|
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SPI_CLK | 26 | Output | Serial Peripheral Interface Clock |
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|
|
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RESET_N | 24 | Output | |
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|
|
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+3.3VDC | 8, 14, 27, 33 | Power | Power VCC Input |
|
|
|
|
GND | 13, 19, 20, 23, | Power | Power Ground |
| 28, 34, 37, 38 |
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silex | Page 11 | |
Hardware Configuration |
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| Part Number |
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