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CHIPDRIVE CLOUD 4700F 905511 数据表

产品代码
905511
下载
页码 共 98
CLOUD
 
47
X
0
 
F
 
R
EFERENCE 
M
ANUAL
  
64 
 
6.3.4.7. CNTLESS_CONTROL_RETRIES 
 
This Escape command is used to enable/disable CRC/PROTOCOL/TIMEOUT error retries 
which are enabled by default for contactless cards. 
 
Input: 
The first byte of input buffer contains the escape code. 
The second byte either sets the mode or contains a code to retrieve the setting. 
Output
: 
No response is returned for set state. For Get State 1 byte response is received. 
Output buffer 
NULL  
or current state 
 
Input 
Output 
Byte0 
Byte1- Description 
Byte 0 
Escape 
code(0xA7) 
0x00 
Enable RNAK retries 
No Output 
0x01 
Disable RNAK retries  
No Output 
0xFF  Get current state of retries 
0x00 -  Retries are enabled 
0x01 -  Retries are disabled