tmp89fh40 TOSHIBA Semiconductor CORPORATION, tmp89fh40 Datasheet - Page 134

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

8.3
I/O Port Registers
RA007
Port P9 function control
Port P9 output control
Port P9 built-in pull-up resistor control
Port P9 input data
P9OUTCR
(0x0F3D)
(0x0F4A)
(0x0F30)
(0x0016)
P9PRD
P9PU
P9FC
Note 1: The built-in pull-up resistor is connected. (The resistor is connected only when the port is used in the input mode or as
Note 1: * : Don’t care
Note 2: i = 0 to 1
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
the open drain output. Under any other conditions, setting to "1" does not make the resistor connected.)
After reset
Function
0:
1:
0:
1:
0:
1:
R
R
R
R
7
0
7
0
7
0
7
0
-
-
-
-
Table 8-17 P9PRD Read Value
P9CRi
0
1
1
Set condition
R
R
R
R
6
0
6
0
6
0
6
0
-
-
-
-
P9OUTCRi
*
0
1
R
R
R
R
5
0
5
0
5
0
5
0
Page 120
-
-
-
-
P9PRDi read value
Contents of port
Contents of port
R
R
R
R
4
0
4
0
4
0
4
0
-
-
-
-
"0"
R
R
R
R
3
0
3
0
3
0
3
0
-
-
-
-
R
R
R
R
0
0
0
0
2
2
2
2
-
-
-
-
Port function
C-MOS output
Open drain output
The built-in pull-up resistor
is not connected.
Note 1
If the port is used in the in-
put mode or as the sink
open drain output, the con-
tents of the port are read. If
not, "0" is read.
TXD1 (O)
P9OUT1
P9PRD1
P9FC1
P9PU1
R/W
R/W
R/W
R
1
0
1
0
1
0
1
*
TMP89FH40
TXD1 (O)
P9OUT0
P9PRD0
P9FC0
P9PU0
R/W
R/W
R/W
R
0
0
0
0
0
0
0
*