參數(shù)資料
型號(hào)： UPD780824
廠商： NEC Corp.
元件分類： 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位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù)： 14/52頁(yè)
文件大小： 345K
代理商： UPD780824
14
μ
PD780232
Data Sheet U13415EJ2V0DS
5. PERIPHERAL HARDWARE FUNCTION FEATURES
5.1 Port
There are three kinds of I/O ports.
CMOS I/O (ports 0, 2):
P-ch open-drain output (ports 3, 4): 16
P-ch open-drain I/O (ports 5, 6):
11
13
Total:
40
Table 5-1. Port Functions
Name
Pin Name
Function
Port 0
P00 to P02
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip resistor can be specified by software.
Port 2
P20 to P27
I/O port. Input/output can be specified in 1-bit units.
When used as an input port, an on-chip resistor can be specified by software.
Port 3
P30 to P37
P-ch open-drain high-tolerance output port.
A pull-down resistor can be incorporated in 1-bit units to V
LOAD
by a mask option.
Port 4
P40 to P47
P-ch open-drain high-tolerance output port.
A pull-down resistor can be incorporated in 1-bit units to V
LOAD
by a mask option.
Port 5
P50 to P57
P-ch open-drain high-tolerance I/O port. Input/output can be specified in 1-bit units.
A pull-down resistor can be incorporated in 1-bit units by a mask option (Connection to V
LOAD
or
V
SS0
can be specified in 1-bit units ).
P-ch open-drain high-tolerance I/O port. Input/output can be specified in 1-bit units.
A pull-down resistor can be incorporated in 1-bit units by a mask option (Connection to V
LOAD
or
V
SS0
can be specified in 1-bit units).
Port 6
P60 to P64
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