TMP91C824
91C824-232
(2) I/O Port Control (1/2)
Symbol
Name
Address
7
6
5
4
3
2
1
0
P17C
P16C
P15C
P14C
P13C
P12C
P11C
P10C
W
0
0
0
0
0
0
0
0
P1CR
PORT1
Control
04H
(Prohibit
RWM)
0: IN
1: OUT
P27F
P26F
P25F
P24F
P23F
P22F
P21F
P20F
W
1
1
1
1
1
1
1
1
P2FC
PORT2
Function
09H
(Prohibit
RWM)
0: Port, 1:Address bus (A23 to A16)
P56C
P55C
P54C
W
0
0
0
P5CR
PORT5
Control
0AH
(Prohibit
RWM)
0 : IN
1 : OUT
P55F
P54F
W
0
0
P5FC
PORT5
Function
0BH
(Prohibit
RWM)
0: PORT
1:
BUSAK
0: PORT
1:
BUSRQ
P65F
P64F
P63F
P62F
P61F
P60F
W
0
0
0
0
0
0
P6FC
PORT6
Function
15H
(Prohibit
RWM)
Always write 0
0: PORT
1: EA25
0: PORT
1: EA24
0: PORT
1: /CS3
0: PORT
1: /CS2
0: PORT
1: /CS1
0: PORT
1: /CS0
P67F2
P66F2
P65F2
P64F2
P62F2
W
W
0
0
P6FC2
PORT6
Function2
1BH
(Prohibit
RWM)
0:<P67F>
1:/CS2E
0: <P66F>
1: /CS2D
0: <P65F>
1: /CS2C
0: <P64F>
1: /CS2B
Always write
0
0: <P62F>
1: /CS2A
Always write 0
P72C
P71C
P70C
W
0
0
0
P7CR
PORT7
Control
16H
(Prohibit
RWM)
0 : IN
1 : OUT
P72F
P71F
P70F
W
0
0
0
P7FC
PORT7
Function
17H
(Prohibit
RWM)
0: PORT
1: SCL
0: PORT
1: SDA/SO
0: PORT
1: SCK
P72F2
P71F2
P70F2
W
0
0
0
P7FC2
PORT7
Function2
1CH
(Prohibit
RWM)
0: <P71F>
1: OPTTX0
PIN SELECT
0: RXD0(PC1)
1: PTRX0(P70)