upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 21

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

2.1 Pin Function List
Note
Caution The P22/X2/ANI2 and P23/X1/ANI3 pins are pulled down during reset.
P20
P21
P22
P23
P32
P34
P40 to P47
(1) Port pins
Pin Name
Note
Note
Note
For the setting method for pin functions, see CHAPTER 15 OPTION BYTE.
I/O
I/O
Input
I/O
I/O
Port 2.
4-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected by setting
software.
Port 3
Port 4.
8-bit I/O port.
Can be set to input or output mode in 1-bit units.
An on-chip pull-up resistor can be connected by setting
software.
CHAPTER 2 PIN FUNCTIONS
User’s Manual U16994EJ3V0UD
Can be set to input or output mode in
1-bit units.
An on-chip pull-up resistor can be
connected by setting software.
Input only
Function
After Reset
Input
Input
Input
Input
Alternate-Function
ANI0/TI000/TOH1
ANI1/TI010/
TO00/INTP0
X2/ANI2
X1/ANI3
INTP1
RESET
Pin
Note
Note
Note
−
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