tmp89fm42k TOSHIBA Semiconductor CORPORATION, tmp89fm42k Datasheet - Page 130

• Manufacturer Part Number: tmp89fm42k
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

8.3
I/O Port Registers
RA006
Port P2 output latch
Port P2 input/output control
(0x0F1C)
(0x0002)
P2DR
P2CR
Note:Symbol "I" means secondary function input. Symbol "O" means secondary function output. Symbol "I/O" means
secondary function input/output
Function
Function
Read/Write
Read/Write
Bit Symbol
Bit Symbol
After reset
After reset
0:
1:
0:
1:
Outputs L level when the output mode is selected.
Outputs H level when the output mode is selected. (Serves as Hi-Z or pull-up depending on settings of P2OUTCR
and P2PU.)
Input mode (port input)
Output mode (port output)
P2CR7
P27
R/W
R/W
7
0
7
0
-
-
P2CR6
R/W
R/W
P26
6
0
6
0
-
-
SCLK0 (O)
SCLK0 (I)
P2CR5
R/W
R/W
P25
5
0
5
0
Page 112
SCL0 (I/O)
P2CR4
SI0 (I)
R/W
R/W
P24
4
0
4
0
SDA0 (I/O)
P2CR3
SO (O)
R/W
R/W
P23
3
0
3
0
-
SCLK0 (O)
SCLK0 (I)
P2CR2
R/W
R/W
P22
2
0
2
0
TXD0(O)
RXD0 (I)
P2CR1
SI0 (I)
R/W
R/W
P21
1
0
1
0
TMP89FM42K
TXD0 (O)
RXD0 (I)
SO0 (O)
P2CR0
R/W
R/W
P20
0
0
0
0