Toshiba TMP92CM22FG TLCS-900/H1 Series Manual page 59

P5
Bit symbol P57
(0014H)
Read/Write
After reset
Bit symbol P57C
P5CR
(0016H) Read/Write
After reset
Function
Bit symbol P57F
P5FC
(0017H)
Read/Write
After reset
Function
Note1: Read-modify-write instruction is prohibited for registers P5CR and P5FC.
Note2: When these ports are used as general-purpose I/O port, each bit can be set individually for input or output.
However, each bit cannot be set individually for input or output even if 1bit or more bits are used as address
bus in same port. All of general-purpose I/O ports except for port that used as address bus are operated as
output port. Please be careful when using this setting.
Port 5 Register
7 6 5
P56 P55
Data from external port (Output latch register is cleared to "0".)
Port 5 Control Register
7 6 5
P56C P55C
0 0 0
Port 5 Function Register
7 6 5
P56F P55F
1 1 1
0: Port 1: Address bus (A8 to A15)
Figure 3.5.6 Register for Port 5
92CM22-57
4 3
P54 P53
R/W
4 3
P54C P53C
W
0 0
0: Input 1: Output (Note2)
4 3
P54F P53F
W
1 1
TMP92CM22
2 1 0
P52 P51 P50
2 1 0
P52C P51C P50C
0 0 0
2 1 0
P52F P51F P50F
1 1 1
2007-02-16