參數(shù)資料
型號(hào)： UPD789122UC-XXX-5A4
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, MICROCONTROLLER, PDSO30
封裝： 0.300 INCH, SHRINK, PLASTIC, SOP-30
文件頁數(shù)： 4/54頁
文件大小： 481K
代理商： UPD789122UC-XXX-5A4
Data Sheet U13025EJ2V0DS00
10
PD789121, 789122, 789124, 789131, 789132, 789134
3.2
Non-Port Pins
Pin Name
I/O
Function
After Reset
Alternate Function
INTP0
P23/CPT20/SS20
INTP1
P24/TO80/TO20
INTP2
Input
External interrupt request input for which the valid edge
(rising edge, falling edge, or both rising and falling edges) can
be specified
Input
P25/TI80
SI20
Input
Serial interface serial data input
Input
P22/RxD20
SO20
Output
Serial interface serial data output
Input
P21/TxD20
SCK20
I/O
Serial interface serial clock input/output
Input
P20/ASCK20
ASCK20
Input
Serial clock input for asynchronous serial interface
Input
P20/SCK20
SS20
Input
Chip select input for serial interface
Input
P23/CPT20/INTP0
RxD20
Input
Serial data input for asynchronous serial interface
Input
P22/SI20
TxD20
Output
Serial data output for asynchronous serial interface
Input
P21/SO20
TI80
Input
External count clock input to 8-bit timer (TM80)
Input
P25/INTP2
TO80
Output
8-bit timer (TM80) output
Input
P24/INTP1/TO20
TO20
Output
16-bit timer (TM20) output
Input
P24/INTP1/TO80
CPT20
Input
Capture edge input
Input
P23/INTP0/SS20
ANI0 to ANI3
Input
A/D converter analog input
Input
P60 to P63
AVDD
-
A/D converter analog power supply
–
AVSS
-
A/D converter ground potential
–
CL1
Input
––
CL2
-
Connected to resistor (R) or capacitor (C)
––
RESET
Input
System reset input
Input
–
VDD
-
Positive power supply
–
VSS
-
Ground potential
–
IC0
-
Internally connected. Connect directly to VSS.–
–
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