Instructions

Contactless Card Read/Write Module（QM-201C-HF）User’s
Manual
g) CheckSum: XOR result from [Length] to then last byte of [DATA].
2) Respond Format(
Q
M-201C-
H
Fmodule → MCU)
[LEN] [CMD] [STATUS] [DATA] [CHK]
Content The
0x00:Success
0xFF: Fail
Package Length Command Content CheckSum
of n bytes
Num of
Byte
1 1 1 n 1
Table 5
h)Package Length: the byte from Length itself to Checksum.
i) Command: Refer to the Command List.
j) Status: Operation result. Success: 0x00. Fail: 0xFF.
k) The Content of n bytes: the parameter.
l) CheckSum: XOR result from [Length] to then last byte of [DATA].
5.3 Switch of Uart and IIC
Q
M-201C-
H
F Contactless card read/write module support UART and IIC,
they
can be switched by the port PORTSEL
PORTSEL = 1(High), UART is selected.
PORTSEL = 0(Low), IIC is selected.
6 Command List
[CMD [Dir [LEN [CMD [STATUS
[Description]
Name] ] ] ] and DATA]
System Command
Modue
Setting
4 combination with bit0 and bit1:
Antenna Status（BIT0）
0：Turn off Antenna
1
Send
0x04 0x01
0x00
0x01
0x02
1：Turn on Antenna
Contactless Card, RFID…
www.quio-rfid.de
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