tmp89fm42a TOSHIBA Semiconductor CORPORATION, tmp89fm42a Datasheet - Page 125

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

8.3
I/O Port Registers
RA006
8.3.2
as the external interrupt input, the STOP mode release signal input and the external reset input.
port is used in the input mode.
reset input pin as a port".
Port P1 (P13 to P10)
Port P1 is a 4-bit input/output port that can be set to input or output for each bit individually, and is also used
Port P1 contains a programmable pull-up resistor on the VDD side. This pull-up resistor can be used when the
After reset, pin P10 serves as the external reset input. To use pin P10 as a port, refer to "How to use external
Table 8-6 Port P1
Secondary func-
tion
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Page 106
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INT1
P13
INT0
P12
STOP
INT5
P11
RESET
P10
TMP89FM42A