EP7209 Datasheet, PDF (4/128 Pages) Cirrus Logic – Ultra-Low-Power Audio Decoder System-on-Chip

OVERVIEW (cont.)
CRYSTAL
CRYSTAL
LCD
FLASH CARD/
FLASH MEMORY
PC PARALLEL PORT
SMART MEDIA
CARD
INTERFACE
NOR
FLASH
× 16
NAND
FLASH
×8
EP7209
MOSCIN
RTCIN
D[31:0]
A[27:0]
NMOE
NMWE
EINT[X]
CS[3]
CS[0]
CS[1]
COL[7:0]
PA[7:0]
PE[2:0]
NPOR
NPWRFL
NBATOK
NEXTPWR
NBATCHG
RUN
WAKEUP
PB[6:7]
SSICLK
SSITXFR
SSITXDA
SSIRXDA
KEYBOARD/
PUSH BUTTONS
POWER
SUPPLY UNIT
AND
COMPARATORS
BATTERY
HEADPHONES
STEREO DAC
CS43L41 / 42 /
43
STEREO ADC
CS53L32
MIC
USB
CS[4]
Figure 1. A Typical EP7209-Based Digital Audio Player Reference
4
DS453PP2