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參數(shù)資料
| 型號(hào)： | W-7 |
| 元件分類： | 保險(xiǎn)絲 |
| 英文描述： | Fuse |
| 中文描述： | 保險(xiǎn)絲 |
| 文件頁(yè)數(shù)： | 10/18頁(yè) |
| 文件大小： | 211K |
| 代理商： | W-7 |
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Preliminary W81181D/AD
- 10 -
W81181AD
PIN
NUMBER
PAD NAME
I/O
TYPE
PIN FUNCTION
PULL UP/
DOWN
1
V
DD
3V
Power1
3.3V Regulator output. Supply voltage for all
transceivers.
-
2
V
DD
A
Power1
Analog power.
-
3
GNDA
Power0
Analog ground.
-
4
VBUS
IUD2T
Input of upstream power status. On self-power
mode, connection should be controlled by VBUS
status.
-
5
LEDOC4_
IOU2P
Flag of port4 over-current. To drive LED directly
O
6
LEDOC3_
IOU2P
Flag of port3 over-current. To drive LED directly
O
7
LEDOC2_
IOU2P
Flag of port2 over-current. To drive LED directly
O
8
LEDOC1_
IOU2P
Flag of port1 over-current. To drive LED directly
O
9
V
DD
Power1
Digital supply voltage.
-
10
RESET
IUD2T
Master reset input. Active high.
-
11
P3[3]/
INT1_
IOUD2
Normally, this pin is P33/INT1_ and used as bi-
directional serial data (SDATA) for embedded
function serial port.
U
12
P1[0]/
SACK/
INDIV
IOUD2
Normally, this pin is P10 and used as bi-directional
serial data ACK (SACK) for embedded function
serial port. If no embedded function this pin is
INDIVIDUAL (default) or GANGED mode setting for
downstream power control.
U
13
P1[1]/
SSTB
IOUD2
Normally, this pin is P11 and used as bi-directional
serial data Strobe (SSTB) for embedded function
serial port.
U
14
LEDEN5_
IOU2P
Downstream port5 LED. Active low to drive
bright/blinking LED when port5 enable.
O
15
LEDEN4_
IOU2P
Downstream port4 LED. Active low to drive
bright/blinking LED when port4 enable.
O
16
LEDEN3_
IOU2P
Downstream port3 LED. Active low to drive
bright/blinking LED when port3 enable.
O
17
LEDEN2_
IOU2P
Downstream port2 LED. Active low to drive
bright/blinking LED when port2 enable.
O
18
48CLKEN_
IUD2
High enable embedded DPLL (12 MHz to 48 MHz).
It should be kept to Low when using 48Mhz clock.
U
19
LEDEN1_
IOU2P
Downstream port1 LED. Active low to drive
bright/blinking LED when port1 enable.
O
20
GND
Power0
Digital ground
-
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