参数资料
型号: mPD789322
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器与2/4/8K字节在系统可编程闪存
文件页数: 2/96页
文件大小: 482K
代理商: MPD789322
Preliminary Product Information U14673EJ1V0PM00
10
PD789322,789324,789326,789327
3. PIN FUNCTIONS
3.1 Port Pins
Pin Name
I/O
Function
After Reset
Alternate Function
P00 to P03
I/O
Port 0.
This is a 4-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, on-chip pull-up resistors can be
specified for the whole port using pull-up resistor option
register 0 (PU0).
Input
P10, P11
I/O
Port 1.
This is a 2-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, on-chip pull-up resistors can be
specified for the whole port using pull-up resistor option
register 0 (PU0).
Input
P20
SCK10
P21
SO10
P22
I/O
Port 2.
This is a 3-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, on-chip pull-up resistors can be
specified in 1-bit units using pull-up resistor option register 2
(PUB2).
Input
SI10
P40 to P43
I/O
Port 4.
This is a 4-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, on-chip pull-up resistors can be
specified for the whole port using pull-up resistor option
register 0 (PU0), or key return mode register 00 (KRM00).
Input
KR00 to KR03
P60
TO40
P61
I/O
Port 6.
This is a 2-bit I/O port.
Input/output can be specified in 1-bit units.
Input
INT
P80 to P85
I/O
Port 8.
This is a 6-bit I/O port.
Input/output can be specified in 1-bit units.
Low-level
output
S22 to S17
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