參數資料
型號: UPD75117H
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數: 9/66頁
文件大小: 472K
代理商: UPD75117H
9
μ
PD75116H,75117H
3.
PIN FUNCTIONS
3.1
PORT PINS
Dual-
Function Pin
INT4
SCK
SO
SI
INT0
INT1
INT2
INT3
PTO0
PTO1
PCL
I/O Circuit
Type
*1
B
F
E
B
B
E
E
E
E
E
E
E
E
M
M
M
* 1.
: Schmitt trigger input
Direct LED drive capability (When V
DD
= 5 V, I
OL
= 15 mA).
Direct LED drive capability (When V
DD
= 5 V, I
OL
= 10 mA).
Open-drain … high impedance
On-chip pull-up resistor … high level
2.
3.
4.
*3
*3
*2
*2
*2
*2
*2
*2
*2
*2
*3
#
#
Pin Name
P00
P01
P02
P03
P10
P11
P12
P13
P20
P21
P22
P23
P30 to P33
P40 to P43
P50 to P53
P60 to P63
P70 to P73
P80 to P83
P90 to P93
P120 to P123
P130 to P133
P140 to P143
Input/Output
Input
Input/output
Input/output
Input
Input
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Input/output
Function
4-bit input port (PORT 0).
4-bit input port (PORT 1).
4-bit input/output port (PORT 2).
Programmable 4-bit input/output port (PORT 3).
Input/output can be specified bit-wise.
4-bit input/output port (PORT 4).
4-bit input/output port (PORT 5).
Programmable 4-bit input/output port (PORT 6).
Input/output can be specified bit-wise.
4-bit input/output port (PORT 7).
4-bit input/output port (PORT 8).
4-bit input/output port (PORT 9).
N-ch open-drain 4-bit input/output port (PORT
12).
On-chip pull-up resistor can be specified bit-
wise (mask option).
Open-drain: +6 V withstand voltage
N-ch open-drain 4-bit input/output port (PORT
13).
On-chip pull-up resistor can be specified bit-
wise (mask option).
Open-drain: +6 V withstand voltage
N-ch open-drain 4-bit input/output port (PORT
14).
On-chip pull-up resistor can be specified bit-
wise (mask option).
Open-drain: +6 V withstand voltage
8-bit I/O
×
×
Reset
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
*4
Input
*4
Input
*4
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