tmp89fh40 TOSHIBA Semiconductor CORPORATION, tmp89fh40 Datasheet - Page 136

• Manufacturer Part Number: tmp89fh40
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

8.3
I/O Port Registers
RA007
Port PB output latch
Port PB input/output control
Port PB function control
Port PB output control
PBOUTCR
(0x0F4C)
(0x000B)
(0x0F25)
(0x0F3F)
PBDR
PBCR
PBFC
Function
Function
Function
Function
Read/Write
Read/Write
Read/Write
Read/Write
Bit Symbol
Bit Symbol
Bit Symbol
Bit Symbol
After reset
After reset
After reset
After reset
0:
1:
0:
1:
0:
1:
0:
1:
R
R
R
R
7
0
7
0
7
0
7
0
-
-
-
-
R
R
R
R
6
0
6
0
6
0
6
0
-
-
-
-
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)
Port function
C-MOS output
Open drain output
TXD0 (O)
PBOUT5
PBCR5
PBFC5
R/W
R/W
R/W
R/W
PB5
5
0
5
0
5
0
5
0
Page 122
TXD0 (O)
PBOUT4
PBCR4
PBFC4
PB4
R/W
R/W
R/W
R/W
4
0
4
0
4
0
4
0
R
R
R
R
3
0
3
0
3
0
3
0
-
-
-
-
R
R
R
R
2
0
2
0
2
0
2
0
-
-
-
-
R
R
R
R
1
0
1
0
1
0
1
0
-
-
-
-
TMP89FH40
R
R
R
R
0
0
0
0
0
0
0
0
-
-
-
-