參數(shù)資料
型號(hào)： UPD75P216A
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁數(shù)： 5/28頁
文件大?。?/td> 281K
代理商： UPD75P216A
μ
PD75P216A
5
1.
PIN FUNCTIONS
1.1
PORT PINS
Input/
output
Shared
pin
8-bit
I/O
I/O circuit
type
Note
P00
Input
INT4
4-bit input port (PORT0).
Input
B
P01
I/O
SCK
F
P02
I/O
SO
G
P03
Input
SI
B
P10
Input
INT0/V
PP
With noise elimination function
Input
B
P11
INT1
With noise elimination function
P12
INT2
4-bit input port (PORT1).
P13
TI0
P20
I/O
—
4-bit I/O port (PORT2).
Input
E
P21
—
P22
—
P23
BUZ
P30 - P33
I/O
MD0 - MD3
Programmable 4-bit I/O port (PORT3).
I/O can be specified bit by bit.
Input
E
P40 - P43
I/O
—
4-bit I/O port (PORT4).
Can directly drive LEDs.
Data input/output pins for the PROM
write and verify (Four low-order bits).
Input
E
P50 - P53
I/O
—
4-bit I/O port (PORT5).
Can directly drive LEDs.
Data input/output pins for the PROM
write and verify (Four high-order bits).
Input
E
P60 - P63
I/O
—
Programmable 4-bit I/O port (PORT6).
I/O can be specified bit by bit.
Suitable for keyboard input.
Input
E
PH0
Output
T13/S12
I-D
PH1
T12/S13
PH2
T11/S14
PH3
T10/S15
Note
The circle ( ) indicates the Schmitt triggered input.
4-bit P-ch open-drain output port
Can withstand high voltage and
high current (PORTH)
High
impedance
Pin name
Function
When reset
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