Philips Semiconductors ISP1520

Hi-Speed USB hub controller
Product data Rev. 03 — 24 November 2004 5 of 51
9397 750 13701 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
7. Pinning information

7.1 Pinning

7.2 Pin description

Fig 2. Pin configuration.

004aaa164
ISP1520BD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
DM4
GND
VCC2
33
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50 GRN4_N
NOOC
49
SUSPEND
GND
DM0
DP0
RPU
GND
TEST_HIGH
VCC1
VCC4
TEST_HIGH
RREF
GND
GND
DM1
DP1
TEST_LOW
TEST_HIGH
PSW1_N
VCC2 DM2
GND
XTAL2
XTAL1
DP3
DM3
GND
GND
VCC1
TEST_HIGH
DP2
VCC4
DP4
OC1_N
GND
GND
VCC3
VREF(5V0)
OC4_N
PSW4_N
OC3_N
PSW3_N
OC2_N
PSW2_N
RESET_N
ADOC
AMB4_N
GRN3_N
AMB3_N
GRN2_N
AMB2_N
VCC3
VREF(5V0)
GND
GND
GRN1_N
AMB1_N
HUBGL_N
SCL
SDA
Table 2: Pin description[1]

Symbol[2] Pin Type Description

SUSPEND 1 O suspend indicator output; HIGH indicates that the hub is in

the suspend mode

GND 2 - ground supply

DM0 3 AI/O upstream facing port D connection (analog)

DP0 4 AI/O upstream facing port D+ connection (analog)

RPU 5 AI pull-up resistor connection; connect this pin through a

resistor of 1.5 kΩ±5 % to 3.3V

GND 6 - ground supply