Silex technology SX-550 manual Differential Output Ethernet Transmit Data primary

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,	29, 31, 35, 36,	Input/Output	General Purpose Input/Output
GPIO3, GPIO4,	39, 40, 5, 6,		Signals 1-10, User defined
GPIO5, GPIO6,	10, 12
GPIO7, GPIO8,
GPIO9, GPIO10
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,	Power	Power Ground
	28, 34, 37, 38

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

Designing with the SX-550	silex	Page 47
	Part Number 40183-101