User's Manual

Table Of Contents

veriCLASS Hardware Specification VP3500 Reader Board, 3500-906

4.2 UART Interface P104

Table 4: UART Interface

UART interface

Function Signal Pin Description

Vin Supply Voltage 1 Reader supply 2.5 VDC – 5.5 VDC

RX Receive Signal 2 Receive signal of the VP3500A00 (Input)

TX Transmit Signal 3 Transmit signal of the VP3500A00 (Output)

RTS Ready to Send 4

Signal line that indicates when the VP3300A00 is ready to

receive (output)

CTS Clear to Send 5 Signal line that indicates when the host is ready to receive (input)

nRST – Reset Line 6 Signal line resets the reader (low active)

GND 7 GND

Supported are baud rates between 9600 and 460080 Baud.

As connector a 7 way Molex PicoBlade® is used:

Table 5: UART Connector

UART interface

Manufacturer Molex

Series PicoBlade®

Part Number 53261 0771

Maximum Current 1A

Image is for example only.

March 2011

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