參數(shù)資料
型號(hào): μPD780986
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機(jī)微控制器
文件頁(yè)數(shù): 13/48頁(yè)
文件大小: 256K
代理商: ΜPD780986
13
μ
PD780984, 780986, 780988
Pin Name
I/O
Function
After Reset
Alternate
Function
WAIT
Input
Wait insertion during an external memory access.
Input
P66
ASTB
Output
Strobe output that externally latches address information output to
ports 4 and 5 to access external memory.
Input
P67
AV
REF
Input
A/D converter reference voltage input.
AV
DD
A/D converter analog power supply. Connect to V
DD0
.
AV
SS
A/D converter ground potential. Connect to V
SS0
.
RESET
Input
System reset input.
X1
Input
X2
Crystal connection for system clock oscillation.
V
DD0
Positive power supply for ports.
V
SS0
Ground potential for ports.
V
DD1
Positive power supply except ports.
V
SS1
Ground potential except ports.
TEST
Test mode set pin. Connect to V
SS0
directly.
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