Non-volatile memory Configuration Smartcards Main slot
September 20, 2024 at 2:48 AMConfiguration of the main smartcard slot (ID-1)
Address : 0271 (bank 2, register 71)
Size : 2 bytes
Default : 8395
Content
Byte 0 : Power class and compliance
| Bit | Role | Values |
|---|---|---|
| 7 | Auto pps | 0 : Disabled1 : Enabled |
| 6 | HSP (Calypso SAM) | 0 : Disabled1 : Enabled |
| 5-4 | Activation mode | 00 : EMV, then ISO01 : ISO only02 : EMV only |
| 3 | RFU | |
| 2-0 | Power class | 01 : Class A only (5V)02 : Class B only (3.3V)04 : Class C only (1.8V)03 : Class A or Class B (5V or 3.3V)06 : Class B or Class C (3.3V or 1.8V)07 : Class A or Class B or Class C (5V, 3.3V or 1.8V) |
Byte 1 : Bitrate max
Remark : Default value TA1=95 (125000bit/s) is considered ‘failsafe’ and should work even with OEM devices having some distance between the CPU and the card slot. Higher bitrates are possible only on suitable hardware.
| Value | Alias | |
|---|---|---|
11 |
TA1=11 | 17 |
12 |
TA1=12 | 18 |
13 |
TA1=13 | 19 |
18 |
TA1=18 | 24 |
95 |
TA1=95 | 149 |
96 |
TA1=96 | 150 |
97 |
TA1=97 | 151 |