參數(shù)資料
型號： UPD753036
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
文件頁數(shù)： 10/88頁
文件大?。?/td> 373K
代理商： UPD753036
10
μ
PD753036, 753036(A)
Data Sheet U11353EJ4V0DS00
3.2 Non-Port Pins (1/2)
Pin Name
Input/Output
Alternate
Function
Function
State after
Reset
I/O Circuit
Type
Note 1
TI0
Input
P13
Inputs external event pulses to the 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
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
Asynchronous
INT2
Input
P12
Edge-detection-testable input
Asynchronous
Input
B -C
AN0-AN5
Input
–
Analog signal input for A/D converter
Input
Y
AN6
P82
Y-B
AN7
P83
AV
REF
–
–
A/D converter reference voltage input
–
Z-N
AV
SS
–
–
A/D converter reference GND
–
Z-N
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
S12-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
–
Notes 1.
Circled characters indicate the Schmitt trigger input.
Each display output selects the following V
LCX
as input source.
S12-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
2.
3.
Noise eliminator/
asynch selectable
Edge detection vectored
interrupt input (detection edge
can be selected) INT0/P10
can select noise eliminator.
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