PDIUSBH11 Datasheet, PDF (5/26 Pages) NXP Semiconductors – Universal Serial Bus Hub

Philips Semiconductors
Universal Serial Bus Hub
PIN DESCRIPTION (MODE 1)
PIN NO
PIN SYMBOL
I/O
1
TEST1
I
2
TEST2
I
3
TEST3
I
4
RESET_N
I
5
GND
POWER
6
XTAL1
I/O
7
XTAL2
I/O
8
CLK12MHZ
O
9
V_CC
POWER
10
OCURRENT2_N
I
11
SWITCH_N
O
12
SUSPEND
O
13
DN2_EN_N
O
14
OCURRENT3_N
I
15
OCURRENT4_N
I
16
OCURRENT5_N
I
17
INT_N
O
18
SDA
I/O
19
SCL
I/O
20
GND
POWER
21
DN5_DP
AI/O
22
DN5_DM
AI/O
23
DN4_DP
AI/O
24
DN4_DM
AI/O
25
DN3_DP
AI/O
26
DN3_DM
AI/O
27
DN2_DP
AI/O
28
DN2_DM
AI/O
29
AGND
POWER
30
AV_CC
POWER
31
UP_DP
AI/O
32
UP_DM
AI/O
NOTES:
1. Signals ending in _N indicate active low signals.
ST: Schmitt Trigger
OD4, OD8: Open Drain with 4 or 8 mA drive
AI/O: Analog I/O
DRIVE
ST
2mA
ST
OD8
4mA
OD8
ST
ST
ST
OD4
OD4
OD4
Product specification
PDIUSBH11
NAME AND FUNCTION
Connect to V_CC
Connect to V_CC
Connect to Ground
Power-on reset
Ground reference
Crystal connection 1 (48MHz)
Crystal connection 2 (48MHz)
12MHz output clock for external devices
Voltage supply 3.3V " 0.3V
Downstream port 2 over-current notice
Enables power to downstream ports
Device is in suspended state
Downstream port 2 LED enable indicator
Downstream port 3 over-current notice
Downstream port 4 over-current notice
Downstream port 5 over-current notice
Connect to microcontroller interrupt
I²C bi-directional data
I²C bit-clock
Ground reference
Downstream port 5 D⁺ connection
Downstream port 5 D^– connection
Downstream port 4 D⁺ connection
Downstream port 4 D^- connection
Downstream port 3 D⁺ connection
Downstream port 3 D^- connection
Downstream port 2 D⁺ connection
Downstream port 2 D^- connection
Analog Ground reference
Analog voltage supply 3.3V " 0.3V
Upstream D⁺ connection
Upstream D^- connection
1997 Aug 01
5