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PDIUSBH12D Datasheet(PDF) 7 Page - NXP Semiconductors

No. de pieza PDIUSBH12D
Descripción Electrónicos  USB 2-port hub
PDF  28 Pages
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PDIUSBH12D Datasheet(HTML) 7 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
PDIUSBH12
USB 2-port hub
1999 Jul 22
7
Pin description (MODE 0 – Good Link
™)
PIN NO.
PIN SYMBOL
TYPE
DRIVE
DESCRIPTION
1
TEST1
Input
Connect to Ground for 48MHz crystal input.
Connect to VCC for 12MHz crystal input.
2
TEST2
Input
Connect to Ground
3
TEST3
Input
Connect to Ground
4
RESET_N
Input
ST
Power-on reset
5
GND
Power
Ground reference
6
XTAL1
Input
Crystal connection 1 (48 or 12MHz depending on TEST1 pin)
7
XTAL2
Output
Crystal connection 2 (48 or 12MHz depending on TEST1 pin)
8
CLKOUT
Output
3mA
Programmable output clock for external devices
9
VCC
Power
Voltage supply 3.3V
± 0.3V
10
OCURRENT_N
Input
ST
Over-current notice to the device. This pin is also used to sense the USB VBUS.
A LOW on this pin of less than 2 seconds is interpreted as an overcurrent notice;
longer than 2 seconds is interpreted as loss of VBUS.
11
SWITCH_N
Output
OD6
Enables power to downstream ports
12
SUSPEND
Output
OD6
Device is in suspended state
13
DN2_GL_N
Output
OD6
Downstream port 2 GoodLink
™ LED indicator
14
DN3_GL_N
Output
OD6
Downstream port 3 GoodLink
™ LED indicator
15
RSVD
Input
Reserved. Connect to GND for normal operation.
16
RSVD
Input
Reserved. Connect to GND for normal operation.
17
INT_N
Output
OD6
Connect to microcontroller interrupt
18
SDA
I/O
OD6
I2C bi-directional data
19
SCL
I/O
OD6
I2C bit-clock
20
GND
Power
Ground reference
21
DN3_DP
AI/O
Downstream port 3 D+ connection
22
DN3_DM
AI/O
Downstream port 3 D– connection
23
DN2_DP
AI/O
Downstream port 2 D+ connection
24
DN2_DM
AI/O
Downstream port 2 D- connection
25
AGND
Power
Analog Ground reference
26
AVCC
Power
Analog voltage supply 3.3V
± 0.3V
27
UP_DP
AI/O
Upstream D+ connection
28
UP_DM
AI/O
Upstream D- connection
NOTE:
1. Signals ending in _N indicate active low signals.
ST: Schmitt Trigger
OD6: Open Drain with 6 mA drive
AI/O: Analog I/O



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