參數(shù)資料
型號: UPD78322GJ
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16/8-BIT單片機(jī)
文件頁數(shù): 14/88頁
文件大?。?/td> 479K
代理商: UPD78322GJ
14
μ
PD78320, 78322
Input
Input
Input
Input
––
AN0 to AN7
AV
REF
AV
DD
AV
SS
RESET
X1
X2
V
DD
V
SS
NC
1.2
NON- PORT PINS (2/2)
Dual-
Function Pin
Function
Pin Name
I/O
In the
μ
PD78322, EA pin is normally connected to V
DD
. Connecting EA pin to V
SS
sets the
ROM-less mode and accesses the external memory. In the
μ
PD78320, this pin should be
fixed to “0” (low level). The EA pin level cannot be changed during operation.
EA
Input
A/D converter analog input
A/D converter reference voltage input
A/D converter analog power supply
A/D converter GND
System reset input
Crystal connect pin for sysem clock oscillation. When an external clock is supplied,
the clock is input to X1 and the inverted clock is input to X2. (X2 can also be left open.)
Positive power supply
GND pin
Not internally connected. Connected to V
SS
(GND) (can also be left open).
相關(guān)PDF資料
PDF描述
UPD78320L 16/8-BIT SINGLE-CHIP MICROCONTROLLER
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UPD78361A 16/8-BIT SINGLE-CHIP MICROCONTROLLER
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