Specifications

VSBC-6862 Rev 1.43

The second serial port is available in an internal connector shared with the I

C bus.

P4 contains the signals for the SMC2, power lines for user purposes (max 500mA, fused), and the I

bus extension.

This connector is available on-board through a HE-10 connector defined as following:

Figure 14: Connector P4 pinout

Pin Signal Description

1 n.u. Not used

2 3.3V 3.3 V, 500mA fuse

3 5V 5.0 V, 500mA fuse

4 n.u. Not used

5 GND GND

6 GND GND

7 I2CSCL I

C bus SCL

8 I2CSDA I

C bus SDA

9 TXD2 Transmit data SMC2

10 RXD2 Receive data SMC2

 This connector accepts standard DIN41651 10-pin female plug connector.

102468

13579

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