ISP1521BEUM ST-Ericsson Inc, ISP1521BEUM Datasheet - Page 6

IC USB HUB CONTROLLER HS 80-LQFP

ISP1521BEUM

Manufacturer Part Number
ISP1521BEUM
Description
IC USB HUB CONTROLLER HS 80-LQFP
Manufacturer
ST-Ericsson Inc
Datasheet

Specifications of ISP1521BEUM

Controller Type
USB Hub
Interface
I²C
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Other names
568-1884-2
ISP1521BE,518
ISP1521BE-T

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CD00222695
Product data sheet
Table 2.
Symbol
PSW4_N
OC3_N
PSW3_N
OC7_N
PSW7_N
OC2_N
PSW2_N
RESET_N
ADOC
XTAL1
XTAL2
GND
DM2
DP2
GND
DM7
DP7
V
GND
V
GND
DM3
DP3
V
GND
CC1
CC4
CC2
[1]
Pin description
Pin
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
Type
I/O
AI/I
I/O
AI/I
I/O
AI/I
I/O
I
I
I
O
-
AI/O
AI/O
-
AI/O
AI/O
-
-
-
-
AI/O
AI/O
-
-
Rev. 07 — 4 February 2010
…continued
Description
output — power switch control output (open-drain) with an internal
pull-up resistor for downstream facing port 4
input — function of the pin when used as an input is given in
Table 5
overcurrent sense input for downstream facing port 3
(analog/digital)
output — power switch control output (open-drain) with an internal
pull-up resistor for downstream facing port 3
input — function of the pin when used as an input is given in
Table 5
overcurrent sense input for downstream facing port 7
(analog/digital)
output — power switch control output (open-drain) with an internal
pull-up resistor for downstream facing port 7
input — function of the pin when used as an input is given in
Table 5
overcurrent sense input for downstream facing port 2
(analog/digital)
output — power switch control output (open-drain) with an internal
pull-up resistor for downstream facing port 2
input — function of the pin when used as an input is given in
Table 5
asynchronous reset input; when reset is active, the internal switch
to the 1.5 kΩ external resistor is opened, and all pins DPn and DMn
are 3-state; it is recommended that you connect to any one of the
3.3 V V
ISP1521 Hi-Speed USB hub demo board user manual (UM10011)
analog or digital overcurrent detect selection input; LOW selects
digital mode and HIGH (3.3 V or 5.0 V) selects analog mode
crystal oscillator input (12 MHz)
crystal oscillator output (12 MHz)
ground supply
downstream facing port 2 D− connection (analog)
downstream facing port 2 D+ connection (analog)
ground supply
downstream facing port 7 D− connection (analog)
downstream facing port 7 D+ connection (analog)
supply voltage 1 (3.3 V) (analog)
ground supply
supply voltage 4 (3.3 V) (crystal and PLL)
ground supply
downstream facing port 3 D− connection (analog)
downstream facing port 3 D+ connection (analog)
supply voltage 2 (3.3 V) (transceiver)
ground supply
CC
pins through an RC circuit; refer to the schematics in
[2]
Hi-Speed USB hub controller
© ST-ERICSSON 2010. All rights reserved.
ISP1521
[4]
[3]
[3]
[4]
[3]
[3]
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