tmp89fm82 TOSHIBA Semiconductor CORPORATION, tmp89fm82 Datasheet - Page 136

• Manufacturer Part Number: tmp89fm82
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

8.3
I/O Port Registers
RA000
Port P8 output latch
Port P8 input/output control
Port P8 function control
Port P8 output control
Port P8 input data
P8OUTCR
(0x0F3C)
(0x0F22)
(0x0F49)
(0x0008)
(0x0015)
P8PRD
P8DR
P8CR
P8FC
Note:Symbol "I" means secondary function input. Symbol "O" means secondary function output.
Function
Function
Function
Function
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Bit Symbol
Bit Symbol
Bit Symbol
Bit Symbol
Bit Symbol
After reset
After reset
After reset
After reset
After reset
Function
0:
1:
0:
1:
0:
1:
0:
1:
Outputs L level when the output mode is selected.
Outputs H level when the output mode is selected. (Hi-Z is also available by P8OUTCR resister setting.)
Input mode (port input)
Output mode (port output)
C-MOS output
Open drain output
If the port is used in the input mode, the contents of the port are read. If not, "0" is read.
P8OUT7
P8PRD7
EMG1(I)
P8CR7
R/W
R/W
R/W
P87
R
R
7
0
7
0
7
0
7
0
7
-
-
*
Port function
P8OUT6
P8PRD6
P8CR6
P8FC6
U1(O)
U1(O)
R/W
R/W
R/W
R/W
P86
R
6
0
6
0
6
0
6
0
6
-
*
P8OUT5
P8PRD5
P8CR5
P8FC5
V1(O)
V1(O)
R/W
R/W
R/W
R/W
P85
R
5
0
5
0
5
0
5
0
5
Page 120
*
-
P8OUT4
P8PRD4
P8CR4
P8FC4
W1(O)
W1(O)
R/W
R/W
R/W
R/W
P84
R
4
0
4
0
4
0
4
0
4
-
*
P8OUT3
P8PRD3
P8CR3
P8FC3
X1(O)
X1(O)
R/W
R/W
R/W
R/W
P83
R
3
0
3
0
3
0
3
0
3
-
*
P8OUT2
P8PRD2
P8CR2
P8FC2
Y1(O)
Y1(O)
R/W
R/W
R/W
R/W
P82
R
2
0
2
0
2
0
2
0
2
-
*
P8OUT1
P8PRD1
P8CR1
P8FC1
Z1(O)
Z1(O)
R/W
R/W
R/W
R/W
P81
R
1
0
1
0
1
0
1
0
1
-
*
TMP89FM82
DBOUT1
DBOUT1
DVO (O)
DVO (O)
P8OUT0
P8PRD0
P8CR0
P8FC0
R/W
R/W
R/W
R/W
P80
(O)
(O)
R
0
0
0
0
0
0
0
0
0
*
-