Datasheet

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PCM2900FUNCTIONALBLOCKDIAGRAM
SSPND
TEST1
ADC
V
L
IN
V R
IN
V
COM
FIFO
Selector
Analog
PLL
Analog
PLL
FIFO
USBSIE
XCVR
DAC
V
L
OUT
V R
OUT
XTI
XTO
12MHz
PLL
( 8)´
96MHz
Tracker
(SpAct)
USB
Protocol
Controller
Power
Manager
ISO-In
End-Point
Control
End-Point
ISO-Out
End-Point
HID
End-Point
D+
D–
SEL0
SEL1
HID0
HID1
HID2
V
BUS
5-Vto3.3-VVoltageRegulator
V
CCCI
V
CCP1I
V
CCP2I
V
CCXI
V
DDI
DGNDUDGNDAGNDXAGNDPAGNDC
B0238-01
TEST0
PCM2900
PCM2902
SLES035E–MARCH2007–REVISEDMARCH2008
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Not Recommended for New Designs