ACS ACR83 PINeasy Smart Card Reader - Manual (Page 39)

ACR83 – Reference Manual [email protected]
Version 1.05 www.acs.com.hk
Page 39 of 49
Appendix A. bmFormatString Description
Bit Number Description
Bit 7
The system units’ type indicator:
If 0h: the system units are bits
If 1h: the system units are bytes
This bit quantifies the next parameter (unit moving).
Bit 6 – 3
Define the PIN position after format in the APDU command (relative to the first
data after Lc). The position is based on the system units’ type indicator
(maximum 1111 for 15 system units).
Bit 2
Bit mask for the PIN justification:
If 0h: Left justify data
If 1h: Right justify data
Bit 1-0
Bit wise for the PIN format type:
00h: binary
01h: BCD
10h: ASCII