參數(shù)資料
型號(hào): uPD750066CUA
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 4位單晶片微控制器
文件頁數(shù): 10/82頁
文件大?。?/td> 460K
代理商: UPD750066CUA
10
μ
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V0DS00
3.2 Non-port Pins (1/2)
Pin Name
Input/Output
Alternate
Function
Function
After Reset
I/O Circuit
Type
Note
TI0
Input
P13
Inputs external event pulses to the timer/event
counter.
Input
<B>-C
TI1
P12/INT2
PTO0
Output
P20
Timer/event counter output
Input
E-B
PTO1
P21
PCL
P22
Clock output
BUZ
P23
Optional frequency output (for buzzer output
or system clock trimming)
SCK
Input/Output
P01
Serial clock input/output
Input
<F>-A
SO
Output
P02
Serial data output
<F>-B
SB0
Input/Output
Serial data bus input/output
SI
Input
P03
Serial data input
<M>-C
SB1
Input/Output
Serial data bus input/output
INT4
Input
P00
Edge detection vectored interrupt input (both
rising edge and falling edge detection)
<B>
INT0
Input
P10
Input
<B>-C
INT1
P11
Asynchronous
INT2
Input
P12/TI1
Rising edge detection
testable input
Asynchronous
Input
<B>-C
KR0 to KR3
Input
P60/AN4 to
P63/AN7
Falling edge detection testable input
Input
<Y>-D
AN0 to AN3
Input
P110 to P113
Analog signal input
Input
Y-A
AN4 to AN7
P60/KR0 to
P63/KR3
<Y>-D
AV
REF
A/D converter reference voltage
Z-N
AV
SS
A/D converter reference GND potential
Z-N
Note
Circuit types enclosed in brackets indicate the Schmitt trigger input.
Edge detection vectored
interrupt input (detection
edge can be selected).
INT0/P10 can select noise
elimination circuit.
Noise elimination
circuit/asynchronous
selection
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