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參數資料
型號: W81C180
廠商: WINBOND ELECTRONICS CORP
元件分類: 總線控制器
英文描述: USB HUB Controller Interface(USB結構的集線器控制器接口)
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PDIP32
封裝: PLASTIC, DIP-32
文件頁數: 3/11頁
文件大小: 83K
代理商: W81C180
W81C180
Publication Release Date: May 1997
- 3 -
Revision A1
PIN CONFIGURATION:
32 Pin PDIP
V33U
D0M
D0P
VDD
IX2
IX1
OCP1
VBUS
VREF
OCP2
OCP3
OCP4
NPEN4
NPEN3
NPEN2
NPEN1
NINT
MCL
MDA
VSS
D1M
D1P
GND12
D2M
D2P
V33D
D3M
D3P
GND34
D4M
D4P
GNDU
1
5
10
15
16
17
30
25
32
20
PIN DESCRIPTION:
PIN #
NAME
TYPE
DESCRIPTION
1
V33U
Power
Voltage 3.3V to Upstream Transceiver
2
D0M
UI/O
USB upstream port, negative connection
3
D0P
UI/O
USB upstream port, positive connection
4
VDD
Power
Analog/Digital Voltage 5V
5
X2
OUTPUT
Crystal connection
6
X1
INPUT
Crystal input (12 MHz)
7
OCP1
INPUT
Analog connection for Downstream Port1 Overcurrent Status
8
VBUS
INPUT
Vcc from the upstream port
9
VREF
INPUT
Comparator reference voltage with all OCPs, Maximum
reference voltages is 4.1V.
10
OCP2
INPUT
Analog connection for Downstream Port2 Overcurrent Status
11
OCP3
INPUT
Analog connection for Downstream Port3 Overcurrent Status
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