ACR128 Dual Interface Smart Card Reader
5.9 PICC Polling For Specific PICC Types
The PICC polling function can be configured to specifically detect ISO14443 Type A PICCs,
ISO14443 Type B PICCs, or both types.
To configure the device to detect specific PICC within antenna range, issue the following command:
ACR128 Escape Command
Configure Device to Detect
Specific PICC Type
20 02
Card
Type
FF
Table 17: Card Type Values to configure device for Specific PICC detection
Card Type
Description
01
ISO 14443 Type A PICCs Only
02
ISO 14443 Type B PICCs Only
03
Both ISO 14443 Type A and B PICCs
Use Table 17 to determine the Card Type value.
To read the device signal output on the card detection process, issue the following command:
ACR128 Escape Command
Read PICC Detection Status
20
00
Response
Response
Data
E1 00 00 00 01
Status
Status
00
PICC is detected
FF
No PICC is detected
NOTE:
It is recommended to specify the PICC types in the application so as to speed up the card detection
process.
5.10 PICC T=CL Data Exchange Error Handling
To modify the Error Handling Level of T=CL protocol, issue the following command:
ACR128 Escape Command
Change Error Handling Level
2C
01
MODE
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ACR128 API
Version 1.7 May 2008
