Silex technology SX-550 manual OEM Interface Signal Description Pin Type

Table 4 OEM Interface Signal Description

Signal	Pin	Type	Description
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
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 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
			(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

SX-550 Evaluation Daughtercard	silex	Page 11
Hardware Configuration
	Part Number 40183-101