tmp89fm42a TOSHIBA Semiconductor CORPORATION, tmp89fm42a Datasheet - Page 147

• Manufacturer Part Number: tmp89fm42a
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

8.3
I/O Port Registers
RA006
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 128
*
PBPRD4
PBPRDi read value
Contents of port
Contents of port
R
4
*
"0"
R
3
*
R
2
*
R
1
*
TMP89FM42A
R
0
*