參數(shù)資料
型號(hào): μPD75P3036
廠商: NEC Corp.
英文描述: 4 Bit Single Chip Microcontrollers(4 位單片微控制器)
中文描述: 4位單片微控制器(4位單片微控制器)
文件頁(yè)數(shù): 9/64頁(yè)
文件大?。?/td> 382K
代理商: ΜPD75P3036
m
PD75P3036
9
3.2 Non-port Pins (1/2)
Pin name
I/O
Alternate
function
Function
Status
after reset
I/O circuit
type
Note
TI0
Input
P13
External event pulse input to timer/event counter
Input
<B>-C
TI1
P80
<E>-E
TI2
P81
PTO0
Output
P20
Timer/event counter output
Input
E-B
PTO1
P21
PTO2
P22/PCL
PCL
Output
P22/PTO2
Clock output
Input
E-B
BUZ
Output
P23
Frequency output (for buzzer or system clock trimming)
Input
E-B
SCK
I/O
P01
Serial clock I/O
Input
<F>-A
SO/SB0
I/O
P02
Serial data output
Serial data bus I/O
Input
<F>-B
SI/SB1
I/O
P03
Serial data input
Serial data bus I/O
Input
<M>-C
INT4
Input
P00
Edge detection vectored interrupt input
(valid for detecting both rising and falling edges)
Input
<B>
INT0
Input
P10
Edge detection vectored interrupt input
(detected edge is selectable)
INT0/P10 can select noise elimination
circuit.
Noise elimination
circuit
/asynchronous
is selectable
Input
<B>-C
INT1
P11
Asynchronous
INT2
Input
P12
Rising edge detection test input
Asynchonous
Input
<B>-C
KR0 to KR3
Input
P60 to P63
Parallel falling edge detection test input
Input
<F>-A
KR4 to KR7
Input
P70 to P73
Parallel falling edge detection test input
Input
<F>-A
X1
Input
Ceramic/crystal oscillation circuit connection for main system
clock. If using an external clock, input to X1 and input
inverted phase to X2.
X2
XT1
Input
Crystal oscillation circuit connection for subsystem clock.
If using an external clock, input to XT1 and input inverted
phase to XT2. XT1 can be used as a 1-bit (test) input.
XT2
RESET
Input
System reset input (low level active)
<B>
MD0
I/O
P30/LCDCL
Mode selection for program memory (PROM) write/verify
Input
E-B
MD1
P31/SYNC
MD2, MD3
P32, P33
D0 to D3
I/O
P40 to P43
Data bus for program memory (PROM) write/verify
Input
M-E
D4 to D7
P50 to P53
V
PP
Programmable power supply voltage for program memory
(PROM) write/verify.
For normal operation, connect to V
DD
.
Apply +12.5 V for PROM write/verify.
V
DD
Positive power supply
V
SS
Ground
Note
Circuit types enclosed in brackets indicate Schmitt trigger input.
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