tmp89ch42 TOSHIBA Semiconductor CORPORATION, tmp89ch42 Datasheet - Page 134

• Manufacturer Part Number: tmp89ch42
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

8.3
I/O Port Registers
RA007
Port PB input data
(0x0018)
PBPRD
Note 1: * : Don’t care
Note 2: i = 4 to 7
Read/Write
Bit Symbol
After reset
Function
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.
PBPRD7
R
7
*
Table 8-19 PBPRD Read Value
PBCRi
0
1
1
PBPRD6
Set condition
R
6
*
PBOUTCRi
*
0
1
PBPRD5
R
5
Page 120
*
PBPRD4
PBPRDi read value
Contents of port
Contents of port
R
4
*
"0"
R
3
*
R
2
*
R
1
*
TMP89CH42
R
0
*