Toshiba TMP91C824F Data Book page 235

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