Philips ISP1520 사용자 설명서
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Philips Semiconductor
s
ISP1520
Hi-Speed USB hub contr
oller
9397 750 13701
© K
oninklijk
e Philips Electronics N.V
. 2004. All r
ights reser
v
ed.
Pr
oduct data
oduct data
Re
v
v
. 03 — 24 No
vember 2004
4 of 51
6.
Bloc
k dia
gram
Fig 1.
Block diagram.
004aaa169
I
2
C-BUS
CONTROLLER
POWER
SWITCH
OVERCURRENT
DETECTION
LINK LEDS
LINK LEDS
BIT CLOCK
RECOVERY
PLL
ANALOG
TRANSCEIVER
• ORIGINAL USB
• HI-SPEED USB
• HI-SPEED USB
ROUTING LOGIC
PHILIPS PIE
PHILIPS SIE
PORT
CONTROLLER
HUB
CONTROLLER
RAM
ROM
MINI-HOST
CONTROLLER
HUB REPEATER
• ORIGINAL USB
• ORIGINAL USB
• HI-SPEED USB
ANALOG TRANSCEIVER
• ORIGINAL USB
• HI-SPEED USB
• HI-SPEED USB
TRANSACTION
TRANSLATOR
VCC1
RPU
DM0
DP0
SDA
ADOC
NOOC
SUSPEND
SCL
I
2
C-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
• 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
18, 38
2, 6, 10,
14, 21,
22, 35,
40, 42,
46, 58,
59
14, 21,
22, 35,
40, 42,
46, 58,
59
62
31
TEST_LOW
17