參數(shù)資料
型號: μPD753012A
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)
文件頁數(shù): 10/80頁
文件大?。?/td> 433K
代理商: ΜPD753012A
10
m
PD753012A, 753016A, 753017A
3.2 Non-port Pins (1/2)
Pin Name
Input/Output
Dual
Function
At Reset
I/O Circuit
TYPE
Note 1
Function Pin
TI0
Input
P13
Inputs external event pulses to the timer/event
counter.
Input
<B>-C
TI1
P12/INT2
TI2
PTO0
Output
P20
Timer/event counter output
Input
E-B
PTO1
P21
PTO2
P22/PCL
PCL
P22/PTO2
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/SB0
P02
Serial data output
Serial data bus input/output
<F>-B
SI/SB1
P03
Serial data input
Serial data bus input/output
<M>-C
INT4
Input
P00
Edge detection vectored interrupt input (both
rising edge and falling edge detection)
Input
<B>
INT0
Input
P10
Input
<B>-C
INT1
P11
INT2
Input
P12/TI1/TI2
Input
<B>-C
KR0-KR3
Input
P60-P63
Falling edge detection testable input
Input
<F>-A
KR4-KR7
Input
P70-P73
Falling edge detection testable input
Input
<F>-A
S0-S23
Output
Segment signal output
Note 2
G-A
S24-S31
Output
BP0-BP7
Segment signal output
Note 2
H-A
COM0-COM3
Output
Common signal output
Note 2
G-B
V
LC0
-V
LC2
LCD drive power
On-chip split resistor is enable (mask option).
BIAS
Output
Output for external split resistor disconnect
Note 3
LCDCL
Note 4
Output
P30
Clock output for externally expanded driver
Input
E-B
SYNC
Note 4
Output
P31
Clock output for externally expanded driver
synchronization
Input
E-B
Notes 1.
Circuit types enclosed in brackets indicate the Schmitt trigger input.
Each display output selects the following V
LCX
as input source.
S0-S31: V
LC1
, COM0-COM2: V
LC2
, COM3: V
LC0
When a split resistor is contained ....... Low level
When no split resistor is contained ..... High impedance
These pins are provided for future system expansion. At present, these pins are used only as pins
P30 and P31.
2.
3.
4.
Edge detection vectored interrupt
input (detection edge can be
selected)
INT0/P10 can select noise
elimination circuit.
Noise elimination
circuit/asynchronous
selection
Asynchronous
Rising edge detection testable input
Asynchronous
相關(guān)PDF資料
PDF描述
μPD753016A 4 Bit Single Chip Microcontrollers(4 位單片微控制器)
μPD753017A 4 Bit Single Chip Microcontrollers(4 位單片微控制器)
μPD753012 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD753016 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD753017 8 Bit Single Chip Microcontrollers(8位單片微控制器)
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