參數(shù)資料
型號: UPD784020GC-3B9
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 16/8-BIT單片機(jī)
文件頁數(shù): 14/90頁
文件大?。?/td> 614K
代理商: UPD784020GC-3B9
14
m
PD784020, 784021
6.2 NON-PORT PINS (2/2)
Pin
I/O
Dual-function
Function
RESET
Input
Chip reset
X1
Input
Crystal input for system clock oscillation (A clock pulse can also be
X2
input to the X1 pin.)
ANI0-ANI7
Input
P70-P77
Analog voltage inputs for the A/D converter
ANO0, ANO1
Output
Analog voltage inputs for the D/A converter
AV
REF1
Application of A/D converter reference voltage
AV
REF2
,
AV
REF3
Application of D/A converter reference voltage
AV
DD
Positive power supply for the A/D converter
AV
SS
Ground for the A/D converter
V
DD
Positive power supply
V
SS
Ground
TEST
Directly connect to V
SS
. (The TEST pin is for the IC test.)
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