Filter
Top Products
Philips Semiconductors Product specification
PDIUSBH12USB 2-port hub
1999 Jul 22
3
BLOCK DIAGRAM
ANALOG
T
X
/R
X
GOODLINK
CONTROL
ANALOG
T
X
/R
X
GENERAL
PORT
CONTROLLER
HUB
REPEATER
END
OF
FRAME
TIMERS
ANALOG
T
X
/R
X
PHILIPS
SIE
INTEGRATED
RAM
BIT CLOCK
RECOVERY
MEMORY
MANAGEMENT
UNIT
I
2
C
SLAVE
INTERFACE
12 MHz
FULL SPEED
INTERRUPT SDA SCL
LED
D–D+
LED
D–D+
DOWNSTREAM
PORT 2
DOWNSTREAM
PORT 3
D+
D–
UPSTREAM
PORT
GOODLINK
CONTROL
GOODLINK
NO
CONNECTION
CONNECTED
DATA
TRANSFER
NO LIGHT LIT BLINKING
PLL
SV00852
SoftConnect
D+
3.3V
1.5kΩ
NOTE:
1. This is a conceptual block diagram and does not include each individual signal.