At83c26 – Rainbow Electronics AT83C26 User Manual
Page 44
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44
7511B–SCR–10/05
AT83C26
Reset value = reset value depends on hardware configuration
Table 23. SC1_STATUS (Status Byte for SC1)
7
6
5
4
3
2
1
0
CC81
CC41
CARDIN1
VCARD_OK1
X
VCARD_INT1
CRST1
CIO1
Bit Number
Bit Mnemonic
Description
7
CC81
Card CC8
This bit provides the actual level on the CC8 pin when read.
6
CC41
Card CC4
This bit provides the actual level on the CC4 pin when read.
5
CARDIN1
Card Presence Status
This bit is set when a card is detected.
It is cleared otherwise.
4
VCARD_OK1
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.
3
X
2
VCARD_INT1
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.
1
CRST1
Card RST
This bit provides the actual level on the CRST pin when read.
0
CIO1
Card I/O
This bit provides the actual level on the CIO pin when read.
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