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(2) I/O port control (1/2)
Symbol Name Address
04H
Port 1
P1CR
(Prohibit
control
RMW)
09H
Port 2
P2FC
(Prohibit
function
RMW)
0AH
Port 5
P5CR
(Prohibit
control
RMW)
0BH
Port 5
P5FC
function
(Prohibit
RMW)
15H
Port 6
P6FC
function
(Prohibit
RMW)
1BH
Port 6
P6FC2
function 2
(Prohibit
0: <P67F>
RMW)
1:
16H
Port 7
P7CR
(Prohibit
control
RMW)
17H
Port 7
P7FC
function
(Prohibit
RMW)
1CH
Port 7
P7FC2
function 2
(Prohibit
RMW)
7
6
5
P17C
P16C
P15C
0
0
0
P27F
P26F
P25F
1
1
1
0: Port
P56C
P55C
W
0
0
0: Input
1: Output
P55F
0
0: Port
1:
BUSAK
−
−
P65F
W
W
0
0
0
Always write 0
0: Port
1: EA25
P67F2
P66F2
P65F2
W
0
0
0
0: <P66F>
0: <P65F>
1:
1:
CS2E
CS2D
CS2C
91C824-237
4
3
2
P14C
P13C
P12C
W
0
0
0
0: Input
1: Output
P24F
P23F
P22F
W
1
1
1
1: Address bus (A23 to A16)
P54C
0
P54F
W
0
0: Port
1:
BUSRQ
P64F
P63F
P62F
W
0
0
0
0: Port
0: Port
0: Port
1:
1:
CS3
CS2
1: EA24
−
P64F2
P62F2
W
W
0
0
0
0: <P64F>
Always
0: <P62F>
1:
1:
CS2B
CS2A
write 0
P72C
0
P72F
0
0: Port
1: SCL
−
0
Always
write 0
TMP91C824
1
0
P11C
P10C
0
0
P21F
P20F
1
1
P61F
P60F
0
0
0: Port
0: Port
1:
1:
CS1
CS0
−
−
W
W
0
0
Always write 0
P71C
P70C
W
0
0
0: Input
1: Output
P71F
P70F
W
0
0
0: Port
0: Port
1: SDA/SO
1: SCK
P71F2
P70F2
W
0
0
0: <P71F>
PIN SELECT
1: OPTTX0
0: RXD0 (PC1)
1: PTRX0 (P70)
2008-02-20
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