at83c26 ATMEL Corporation, at83c26 Datasheet - Page 44

• Manufacturer Part Number: at83c26
• Description: Multiple Smart Card Reader Interface With Power Management
• Manufacturer: ATMEL Corporation

Table 24. SC2_CFG0 ()
44
VCARD_INT
Bit Number
7
2
6
5
4
3
2
1
0
AT83C26
VCARD_OK
6
2
Bit Mnemonic
VCARD_INT1
VCARD_OK1
CARDIN1
CRST1
CC41
CIO1
X
Reset value = reset value depends on hardware configuration
ATRERR2
5
Description
Card CC4
This bit provides the actual level on the CC4 pin when read.
Card Presence Status
This bit is set when a card is detected.
It is cleared otherwise.
SC1 Smart Card voltage interrupt
This bit is set when VCARD_OK1 bit is set.
This bit is cleared when read by the micro controller.
Card RST
This bit provides the actual level on the CRST pin when read.
Card I/O
This bit provides the actual level on the CIO pin when read.
SC1 Voltage Status
This bit is set by the DCDCA when the output voltage remains within the voltage range specified by
VCARD1[1:0] bits.
It is cleared otherwise.
INSERT2
4
X
3
VCARDERR2
2
VCARD21
1
7511D–SCR–02/07
VCARD20
0