isp1521 NXP Semiconductors, isp1521 Datasheet - Page 7

• Manufacturer Part Number: isp1521
• Description: Hi-speed Universal Serial Bus Hub Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
ISP1521_4
Product data sheet
Table 2.
Symbol
DM4
DP4
NOOC
GRN4_N
AMB4_N
GRN3_N
AMB3_N
GRN7_N
AMB7_N
GRN2_N
AMB2_N
V
V
GND
GRN1_N
REF(5V0)
CC3
[1]
Pin description
Pin
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
Type
AI/O
AI/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
-
-
I/O
Rev. 04 — 30 March 2006
…continued
Description
downstream facing port 4 D connection (analog)
downstream facing port 4 D+ connection (analog)
no overcurrent protection selection input; connect this pin to HIGH
(3.3 V) to select no overcurrent protection; if no overcurrent is
selected, all OC_N pins must be connected to V
output — green LED port indicator (open-drain) for downstream
facing port 4
input — function of the pin when used as an input is given in
Table 9
output — amber LED port indicator (open-drain) for downstream
facing port 4
input — function of the pin when used as an input is given in
Table 8
output — green LED port indicator (open-drain) for downstream
facing port 3
input — function of the pin when used as an input is given in
Table 9
output — amber LED port indicator (open-drain) for downstream
facing port 3
input — function of the pin when used as an input is given in
Table 8
output — green LED port indicator (open-drain) for downstream
facing port 7
input — function of the pin when used as an input is given in
Table 9
output — amber LED port indicator (open-drain) for downstream
facing port 7
input — function of the pin when used as an input is given in
Table 8
output — green LED port indicator (open-drain) for downstream
facing port 2
input — function of the pin when used as an input is given in
Table 9
output — amber LED port indicator (open-drain) for downstream
facing port 2
input — function of the pin when used as an input is given in
Table 8
reference voltage (5 V
resistors of PSWn_N pins and also for the analog overcurrent
detection
supply voltage 3 (3.3 V) (digital)
ground supply
output — green LED port indicator (open-drain) for downstream
facing port 1
input — function of the pin when used as an input is given in
Table 9
[2]
5 %); used to power internal pull-up
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
REF(5V0)
ISP1521
[3]
[3]
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