Toshiba H1 Series Data Book page 121

P1
bit Symbol
(0004H)
Read/Write
After reset
P1CR bit Symbol P17C
(0006H)
Read/Write
After reset
Function
P1FC
bit Symbol
(0007H)
Read/Write
After reset
Note2:
Function
P1DR
bit Symbol P17D
(0081H)
Read/Write
After reset
Function
Note1: Read-modify-write is prohibited for P1CR, P1FC.
Note2: It is set to "Port" or "Data bus" by AM pins state.
7 6 5
P17 P16 P15
Data from external port (Output latch register is cleared to "0")
Port 1 Control register
7 6 5
P16C P15C
0 0 0
Port 1 Function register
7 6 5
Port 1 Drive register
7 6 5
P16D P15D
1 1 1
Input/Output buffer drive register for standby mode
Figure 3.7.2 Register for Port1
92CZ26A-118
Port 1 register
4 3
P14 P13
R/W
4 3
P14C P13C
W
0 0
0: Input 1: Output
4 3
4 3
P14D P13D
R/W
1 1
TMP92CZ26A
2 1 0
P12 P11 P10
2 1 0
P12C P11C P10C
0 0 0
2 1 0
P1F
W
0/1
0: Port
1:Data bus
(D8 to D15)
2 1 0
P12D P11D P10D
1 1 1