ISP1521 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Lista de partido
ISP1521 Datasheet PDF : 53 Pages
| |||
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
9397 750 13702
Product data
Table 2: Pin description[1]…continued
Symbol[2]
Pin Type Description
DP0
4 AI/O upstream facing port 0 D+ connection (analog)
RPU
5 AI pull-up resistor connection; connect this pin through a resistor of
1.5 kΩ ± 5 % to 3.3 V
GND
6-
ground supply
RREF
7 AI reference resistor connection; connect this pin through a resistor
of 12 kΩ ± 1 % to an analog band gap ground reference
GND
8-
ground supply
DM5
DP5
9 AI/O downstream facing port 5 D− connection (analog)[3]
10 AI/O downstream facing port 5 D+ connection (analog)[3]
VCC1
GND
11 -
12 -
analog supply voltage 1 (3.3 V)
ground supply
VCC4
GND
13 -
14 -
crystal and PLL supply voltage 4 (3.3 V)
ground supply
DM6
DP6
15 AI/O downstream facing port 6 D− connection (analog)[3]
16 AI/O downstream facing port 6 D+ connection (analog)[3]
VCC2
GND
17 -
18 -
transceiver supply voltage 2 (3.3 V)
ground supply
DM1
DP1
19 AI/O downstream facing port 1 D− connection (analog)[4]
20 AI/O downstream facing port 1 D+ connection (analog)[4]
TEST_LOW 21 -
connect to GND
TEST_HIGH 22 -
connect to 5.0 V through a 10 kΩ resistor
OC1_N
23 AI/I overcurrent sense input for downstream facing port 1
(analog/digital)
PSW1_N
24 I/O output — power switch control output (open-drain) with an
internal pull-up resistor for downstream facing port 1
input — function of the pin when used as an input is given in
Table 5
OC6_N
25 AI/I overcurrent sense input for downstream facing port 6
(analog/digital)
PSW6_N
26 I/O output — power switch control output (open-drain) with an
internal pull-up resistor for downstream facing port 6
input — function of the pin when used as an input is given in
Table 5
OC5_N
27 AI/I overcurrent sense input for downstream facing port 5
(analog/digital)
PSW5_N
28 I/O output — power switch control output (open-drain) with an
internal pull-up resistor for downstream facing port 5
input — function of the pin when used as an input is given in
Table 5
GND
29 -
ground supply
VCC3
VREF(5V0)
30 -
31 -
digital supply voltage 3 (3.3 V)
reference voltage (5 V ± 5 %); used to power internal pull-up
resistors of PSWn_N pins and also for the analog overcurrent
detection
Rev. 03 — 24 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
6 of 53
Share Link: 