OEM Interface

The OEM Interface (JP2) is the primary method for communications between the SX-560 and your device. It is a 40-pin header that includes the necessary pins for serial data I/O, GPIO, and power.

Table 13 describes the OEM interface pinout for the SX-560 module.

Table 13 OEM Interface Pinout

PIN

SIGNAL

PIN

SIGNAL

1

RESETI-

2

GPIO_0

3

GPIO_1

4

GPIO_2

5

GROUND

6

+3.3VDC

7

GPIO_3

8

GPIO_4

9

GPIO_5

10

GPIO_6

11

GPIO_7

12

GPIO_8

13

GPIO_9

14

TXD0

15

GPIO_10

16

CTS0-

17

GROUND

18

+3.3VDC

19

USB+

20

RTS0-

21

USB-

22

RXD0

23

+3.3VDC

24

GROUND

25

SPI_CS-

26

TXD1

27

SPI_CLK

28

CTS1-

29

GROUND

30

+3.3VDC

31

SPI_MOSI

32

RTS1-

33

SPI_MISO

34

RXD1

35

+3.3VDC

36

GROUND

37

IIC_SDC

38

TXD2

39

IIC_SDA

40

RXD2

Table 13 shows the OEM interface signal descriptions. All input and output signals, except the differential signals, are 0 to 3.3V logic signals.

Table 14 OEM Interface Signal Descriptions

Signal

Pin

Type

Description

 

 

 

 

RESETI-

1

Output

Power-on Reset (low true)

 

 

 

 

GPIO_0, GPIO_1,

2, 3, 4, 7, 8, 9,

Input/Output

General Purpose Input/Output

CPIO_2, GPIO_3,

10, 11, 12, 13,

 

Signals 1-10, User defined

GPIO_4, GPIO_5,

15

 

 

 

GPIO_6, GPIO_7,

 

 

 

 

GPIO_8, GPIO_9,

 

 

 

 

GPIO_10

 

 

 

 

 

 

 

 

TXD0

14

Output

Serial Port 1 Transmit Data

 

 

 

 

RTS0-

20

Output

Serial Port 1 Request to Send

 

 

 

 

 

CTS0-

16

Input

Serial Port 1

Clear to Send

 

 

 

 

 

RXD0

22

Input

Serial Port 1

Receive Data

 

 

 

 

 

TXD1

26

Output

Serial Port 2

Transmit Data

 

 

 

 

 

RTS1-

32

Output

Serial Port 2

Request To Send

 

 

 

 

 

Page 40

Silex

Part Number 140-00192-100

Interfacing the SX-560

Page 46
Image 46
Silex technology SX-560 manual Spics TXD1 Spiclk CTS1 Ground, Iicsdc TXD2 Iicsda RXD2, Reseti, CPIO2, GPIO3