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ISP1520 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. ISP1520
Description  Hi-Speed Universal Serial Bus hub controller
Download  51 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

ISP1520 Datasheet(HTML) 4 Page - NXP Semiconductors

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Fig 1.
Block diagram.
004aaa169
I2C-BUS
CONTROLLER
POWER
SWITCH
OVERCURRENT
DETECTION
LINK LEDS
LINK LEDS
BIT CLOCK
RECOVERY
PLL
ANALOG
TRANSCEIVER
• ORIGINAL USB
• HI-SPEED USB
ROUTING LOGIC
PHILIPS PIE
PHILIPS SIE
PORT
CONTROLLER
HUB
CONTROLLER
RAM
ROM
MINI-HOST
CONTROLLER
HUB REPEATER
• ORIGINAL USB
• HI-SPEED USB
ANALOG TRANSCEIVER
• ORIGINAL USB
• HI-SPEED USB
TRANSACTION
TRANSLATOR
VCC1
RPU
DM0
DP0
SDA
ADOC
NOOC
SUSPEND
SCL
I2C-bus
12 MHz
upstream port 0
XTAL1
XTAL2
RREF
VCC2
VCC3
VCC4
VREF(5V0)
POWER
SWITCH
OVERCURRENT
DETECTION
ANALOG
TRANSCEIVER
• ORIGINAL USB
• HI-SPEED USB
downstream
port 1
downstream
port 2 to port 3
downstream
port 4
DM4
DM1
DP1
OC1_N
PSW1_N
GRN1_N
AMB1_N
DP4
ISP1520
OC4_N
PSW4_N
GRN4_N
AMB4_N
15
16
19
20
60
61
47
48
25
26
50
51
GND
RESET_N
HUBGL_N
PORT 1
PORT 4
PORT 2 to 3
1
49
32
63
64
34
33
4
3
7
5
9, 39
13, 45
23, 57
11, 41
24, 56
TEST_HIGH
8, 12,
18, 38
2, 6, 10,
14, 21,
22, 35,
40, 42,
46, 58,
59
62
31
TEST_HIGH
17


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