Instructions

Contactless Card Read/Write Module（QM-201C-HF）User’s
Manual
9
10
NC
NC
Not Use
Not Use
Table 1
4.2 Dimension
Pic 2
5 Protocols
5.1 UART Protocols of Commands
Uart Protocols of Commands use data blocks.The format of data block :
1) Format of TXD（MCU →
Q
M-201C-
HF
Module
）
[STX] [LEN] [CMD] [DATA] [CHK] [ETX]
Description The
Package
0x02
1
Commad Content of
n bytes
CheckSum 0x03
Length
Number of
Byte
1 1 n 1 1
Table 2
a)Asynchronism half duplex, 1 Start bit + 7 Data bits + 1 Stop bit.
b)The default transfer speed is 19200 bit/s.
Contactless Card, RFID…
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