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EP7209 Datasheet(PDF) 49 Page - Cirrus Logic

Part # EP7209
Description  Ultra-Low-Power Audio Decoder System-on-Chip
PDF  128 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

EP7209 Datasheet(HTML) 49 Page - Cirrus Logic

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EP7209
DS453PP2
49
LCD
KEYBOARD
BATTERY
DC-TO-DC
CONVERTERS
ADC
DIGITIZER
IR LED AND
PHOTODIODE
2
× RS-232
TRANSCEIVERS
ADDITIONAL I/O
CL-PS6700
PC CARD
CONTROLLER
PC CARD
SOCKET
nCS[4]
PB0
EXPCLK
DD[3:0]
CL1
CL2
FM
M
D[31:0]
A[27:0]
COL[7:0]
PA[7:0]
DC
INPUT
nMOE
WRITE
PB[7:0]
PD[7:0]
PE[2:0]
nPOR
nPWRFL
BATOK
nEXTPWR
nBATCHG
RUN
WAKEUP
nCS[0]
nCS[1]
DRIVE[1:0]
FB[1:0]
ADCCLK
nADCCS
ADCOUT
ADCIN
SMPCLK
LEDDRV
PHDIN
RXD1/2
TXD1/2
DSR
CTS
DCD
CS[n]
WORD
NCS[2]
NCS[3]
×16
FLASH
×16
FLASH
×16
FLASH
EXTERNAL MEMORY-
MAPPED EXPANSION
BUFFERS
BUFFERS
AND
LATCHES
×16
FLASH
POWER
SUPPLY UNIT
AND
COMPARATORS
CRYSTAL
CODEC/SSI2/
DAI
DAISSI-
CLK
SSITXFR
SSITXDA
SSIRXDA
RTCIN
LEDFLSH
Figure 12. A Maximum EP7209 Based System
NOTE:
A system can only use one of the following
peripheral interfaces at any given time:
SSI2, codec, or DAI.
CRYSTAL
MOSCIN



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