Toshiba TLCS-900/H1 Series Manual page 74

P3 Bit symbol
(000CH)
Read/Write
Reset State
P3CR Bit symbol P37C
(000EH)
Read/Write
Reset State
Function
P3FC Bit symbol
(000FH)
Read/Write
Reset State
Function
P3DR Bit symbol P37D
(0083H)
Read/Write
Reset State
Function
Note 1: Read-modify-write instruction is prohibited for P3CR, P3FC and P3FC2.
Note 2: It is set to "Port" or "Data bus" by AM pin setting.
Port 3 register
7 6 5
P37 P36 P35
Data from external port (Output latch register is cleared to "0")
Port 3 Control register
7 6 5
P36C P35C
0 0 0
Port 3 Function register
7 6 5
Port 3 Drive register
7 6 5
P36D P35D
1 1 1
Input/Output buffer drive register for standby mode
Figure 3.5.6 Register for Port 3
4 3
P34 P33
R/W
4 3
P34C P33C
W
0 0
0: Input 1: Output
4 3
−
0
4 3
P34D P33D
W
1 1
92CH21-72
TMP92CH21
2 1
P32 P31
2 1
P32C P31C
0 0
2 1
− −
W
0 0
Always write "0" 0: Port
1: Data bus
(D24 to D31)
2 1
P32D P31D
1 1
2009-06-19
0
P30
0
P30C
0
0
P3F
W
0/1 Note 2
0
P30D
1