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參數(shù)資料
型號(hào): W81E381D
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: FULL SPEED USB INTEGRATED MICROCONTROLLER
中文描述: FLASH, 12 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48
文件頁數(shù): 11/63頁
文件大小: 695K
代理商: W81E381D
W81E381D/W81E381AD
Publication Release Date: January 2002
- 11 - Revision 0.52
3.2.1 100-pin LQFP package description
SYMBOL
TYPE PIN NO
DESCRIPTIONS
U
U
S
S
B
B
P
P
i
i
n
n
s
s
AV
DD
PWR
1
Analog 5V power supply
AV
SS
PWR
2, 3
Analog 5V power ground
V33
PWR
6
USB DC power 3.3V output.
D+
I/O
4
USB signal (+)
D-
I/O
5
USB signal (-)
XTALI
I
79
Crystal input. Use 6MHz crystal. A 6MHz clock source may also be
used.
XTALO
O
80
Crystal output.
S
S
m
a
a
r
r
t
t
C
C
a
a
r
r
d
d
R
R
e
e
a
a
d
d
e
e
r
r
P
P
i
i
n
n
s
s
SCPWR
O
66
Smart card power supplier enable pin
SCIO
I/O
63
Smart card serial data input/output pin or GPIO pin
SCCLK
O (I/O) 64
Smart card clock output (default 3MHz) or GPIO pin
SCRST
O
65
Smart card reset signal
SCPRSNT
I
83
Smart card existed indicator. Schmitt-trigger input
E
E
x
x
t
t
r
r
a
a
P
P
i
i
n
n
s
s
PLLEN
I
53
PLL enable pin; Schmitt-trigger pull up input
XCVREN
I
95
XCVR enable pin; Schmitt-trigger pull up input
SOFTCNEN I
11
Software connection enable pin; Schmitt-trigger pull up input
TESTENB
I
12
Test enable pin; Schmitt-trigger pull up input
P
P
o
o
w
w
e
e
r
r
P
P
i
i
n
n
s
s
V
SS
PWR
37,81
GROUND: ground potential.
V
DD
PWR
38,82
POWER SUPPLY: Supply voltage for operation.
S
S
e
e
r
r
i
i
a
a
l
l
I
I
n
n
t
t
e
e
r
r
f
f
a
a
c
c
e
e
SDA
I/O
8
Data input/output of serial interface
SCL
I
9
Clock input of serial interface
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