at83c26 ATMEL Corporation, at83c26 Datasheet - Page 55

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

Table 37. IO_SELECT (Selection byte for IO)
Table 38. IO Selection
7511D–SCR–02/07
IOSEL[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Bit Number
7
X
3-0
7
6
5
4
Bit Mnemonic
IOSEL[3:0]
6
X
X
X
X
X
Reset value = 0x XXXX 1000
Reset value for IOSEL[3:0]= 0x1000
Description
This field indicates the IO routing between the host and the Smart Card Interfaces when activated,
seeTable 38 and IODISn value (n=1, 2, 3, 4, 5). When no host IO is routed to a smart card pin, this pin is
driven according to the Interface register. See Section “CIO, CC4, CC8 controller”, page 15.
IO Selection
CIO1
CIO2
CIO3
CIO4
CIO5
CIO1
CIO1
CIO1
CIO1
CIO1
CIO1
CIO1
CIO1
CIO2
CIO2
CIO2
X
IO1
5
X
4
CIO2
CIO2
CIO2
CIO2
CIO3
CIO4
CIO5
CIO5
CIO5
CIO4
CIO5
IO2
-
-
-
-
-
(1)
(1)
(1)
(1)
(1)
IOSEL3
3
IOSEL2
CIO3/CC42
CIO3/CC42
CIO3/CC42
CIO3/CC42
2
AUX1
CC41
CC41
CC41
CC41
CC41
CC41
CC41
-
-
-
-
-
(1)
(1)
(1)
(1)
(1)
IOSEL1
1
CRST3/CC82
CRST3/CC82
AT83C26
CIO3/CC42
AUX2
CC81
CC81
CC81
CC81
CIO4
CIO5
CIO4
CIO4
-
-
-
-
-
(1)
(1)
(1)
(1)
(1)
-
IOSEL0
0
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