Connector Pin Assignment

The table below give manufacturer and model number of the recommended mating connector:

Connectors

TE Erni SMC Reference

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PCB Female Vertical Connector h6.25

154805-E

Octopart: 154805-E

PCB Female Vertical Connector h9.05

154717-E

Octopart: 154717-E

PCB Female Vertical Connector h13.64

234198-E

Octopart: 234198-E

Main connector pin out.

Contact

Name

Type

Description

a6

VDD

Power

Power Supply Input

b6

GND

Ground

Power Supply Ground return & Signal reference

a5

EN

Input

Power Enable

b5

RESERVED

-

Reserved for future use. Leave unconnected.

a4

UART_TX

LVTTL Output

UART Data Transmit Signal

b4

UART_RX

LVTTL Input

UART Data Receive Signal

a3

RESERVED

-

Reserved for future use. Leave unconnected.

b3

RESERVED

-

Reserved for future use. Leave unconnected.

a2

SYNC_DIR

LVTTL Output

Direction signal for external Sync transceiver

  • Low = SYNC_IN
  • High = SYNC_OUT

Leave unconnected if not used.

b2

SYNC_IN

LVTTL Input

Synchronization Input Signal

a1

SYNC_OUT

LVTTL Output

Synchronization Output Signal

b1

TX_EN

LVTTL Output

Driver enable signal for RS485 transceivers