Network Card User's Manual

Designing with the SX-550 silex Page 47
Part Number 40183-101
Table 31 OEM Interface Signal Description
Signal Pin Type Description
TPRX+, TPRX- 1,3 Differential Output Ethernet Transmit Data primary
TPTX+, TPTX- 2,4 Differential Input Ethernet Receive Data primary
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
UART1_TXD 21 Output Serial Port 2 Transmit Data
UART1_RTS 17 Output Serial Port 2 Request To Send
UART1_CTS 18 Input Serial Port 2 Clear to Send
GPIO1, GPIO2,
GPIO3, GPIO4,
GPIO5, GPIO6,
GPIO7, GPIO8,
GPIO9, GPIO10
29, 31, 35, 36,
39, 40, 5, 6,
10, 12
Input/Output General Purpose Input/Output
Signals 1-10, User defined
SPI_CS 25 Output Serial Peripheral Interface Chip
Select (high-true)
SPI_SDO 30 Output Serial Peripheral Interface Data
Out
SPI_SDI 32 Input Serial Peripheral Interface Data In
SPI_CLK 26 Output Serial Peripheral Interface Clock
RESET_N 24 Output Power-on Reset (low true)
+3.3VDC 8, 14, 27, 33 Power Power VCC Input
GND 13, 19, 20, 23,
28, 34, 37, 38
Power Power Ground
The SX-550 module uses the 40-pin 1.27 mm pitch male header by Gradconn part number BB02-BK401-
K03-3040B0.
Mating 4.6 mm tall female headers are:
Gradconn Interconnect part number: BB02-CL402-K03-000000
www.gradconn.com
Samtec part number: SFMC-120-02-S-D
www.samtec.com
Imperial Connector Systems part number: B2B-401-B-C
www.imperial-connect.com
E-tec Interconnect part number: BS2-040-H450-11/11AT
www.e-tec.ch