參數(shù)資料
型號(hào)： UPD753012A
廠商： NEC Corp.
元件分類： 4位微控制器
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述： 4位單片機(jī)的小型通用紅外遙控器
文件頁(yè)數(shù)： 11/88頁(yè)
文件大?。?/td> 438K
代理商： UPD753012A
11
μ
PD753012A, 753016A, 753017A
Data Sheet U11662EJ2V0DS00
3.2 Non-port Pins (1/2)
Pin Name
I/O
Alternate
Function
Function
After Reset
I/O Circuit
Type
Note 1
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
I/O
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
UPD753016A 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD753016AGK 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD753012AGC 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD753012AGK 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
UPD753017A 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
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