參數資料
型號: UPD754264
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 4位單晶片微控制器
文件頁數: 5/68頁
文件大?。?/td> 318K
代理商: UPD754264
5
μ
PD754264
1. PIN CONFIGURATION (TOP VIEW)
20-pin Plastic SOP (300 mil, 1.27-mm pitch)
μ
PD754264GS-
×××
-BA5
IC: Internally Connected (Connect to V
DD
directly)
Pin Identification
AN0, AN1
AVREF
IC
INT0
KR4 to KR7
KRREN
P30 to P33
P60 to P63
: Analog input 0,1
: Analog reference
: Internally connected
: External vectored interrupt 0
: Key returns 4 to 7
: Key return reset enable
: Port 3
: Port 6
P70 to P73
P80
PTO0 to PTO2 : Programmable timer outputs 0 to 2
RESET
: Reset
V
DD
: Positive power supply
V
SS
: Ground
X1 and X2
: System clock (crystal/ceramic)
: Port 7
: Port 8
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
RESET
X1
X2
V
SS
IC
V
DD
P60/AV
REF
P61/INT0
P62/AN0
P63/AN1
KRREN
P80
P30/PTO0
P31/PTO1
P32/PTO2
P33
P70/KR4
P71/KR5
P72/KR6
P73/KR7
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