tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 131

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

RA005
Port PB output latch
Port PB input/output control
Port PB function control
Port PB output control
Port PB input data
PBOUTCR
(0x0F4C)
(0x000B)
(0x0F25)
(0x0F3F)
(0x0018)
PBPRD
PBDR
PBCR
PBFC
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.
Input mode (port input)
Output mode (port output)
C-MOS output
Open drain output
If the port is used in the input mode or as the open drain
output, the contents of the port are read. If not, "0" is
read.
PBOUT7
PBPRD7
PBCR7
R/W
R/W
R/W
PB7
R
R
7
0
7
0
7
0
7
0
7
-
*
Port function
SCLK0 (O)
PBOUT6
PBPRD6
PBCR6
PBFC6
PB6
R/W
R/W
R/W
R/W
R
6
0
6
0
6
0
6
0
6
*
TXD0 (O)
PBOUT5
PBPRD5
PBCR5
PBFC5
R/W
R/W
R/W
R/W
PB5
R
5
0
5
0
5
0
5
0
5
*
Page 117
TXD0 (O)
PBOUT4
PBPRD4
SO0 (O)
PBCR4
PBFC4
PB4
R/W
R/W
R/W
R/W
R
4
0
4
0
4
0
4
0
4
*
R
R
R
R
R
3
0
3
0
3
0
3
0
3
-
-
-
-
*
R
R
R
R
R
2
0
2
0
2
0
2
0
2
-
-
-
-
*
1
R
1
R
0
1
R
0
1
R
0
1
R
0
*
-
-
-
-
TMP89FM42
R
R
R
R
R
0
0
0
0
0
0
0
0
0
-
-
-
-
*