CHIPDRIVE CLOUD 4700F 905511 数据表

 

 

This Escape command is used by the HOST to get/set the current ETU for smart cards. Once 
set, the new ETU value will take effect immediately. 

 

The input buffer contains the Escape code followed by an 8 bit GET/SET identifier. For SET 
ETU, a DWORD specifying the value to be set is following. 

 

For both Set and Get ETU, the output will be the following. 

 

 

 

 

Escape 
code(0x80) 

 

0x01 

 

SET ETU 

 

BIT31-
BIT24 

 

BIT23-
BIT16 

 

BIT15-
BIT8 

 

BIT7-
BIT0 

 

0x00 

 

GET ETU 

 

- 

 

- 

 

- 

 

- 

 

BIT31-BIT24 

 

BIT23-BIT16 

 

BIT15-BIT8 

 

BIT7-BIT0