EP7311-CB-C CIRRUS [Cirrus Logic], EP7311-CB-C Datasheet - Page 9

• Manufacturer Part Number: EP7311-CB-C
• Description: HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
• Manufacturer: CIRRUS [Cirrus Logic]

System Design
As shown in system block diagram, simply adding
desired memory and peripherals to the highly integrated
DS506PP1
Note:
EXTERNAL MEMORY-
MAPPED EXPANSION
ADDITIONAL I/O
A system can only use one of the following peripheral
interfaces at any given time: SSI2,CODEC or MCP.
PC CARD
SOCKET
CRYSTAL
CRYSTAL
SDRAM
SDRAM
FLASH
FLASH
×16
×16
×16
×16
CONTROLLER
PC CARD
BUFFERS
BUFFERS
LATCHES
AND
SDRAM
SDRAM
FLASH
FLASH
×16
×16
×16
×16
Figure 1. A Maximum EP7311 Based System
©
C opyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
MOSCIN
nCS[2]
nCS[3]
RTCIN
nCS[4]
PB0
EXPCLK
D[0-31]
A[0-27]
nMOE
WRITE
nCS[0]
nCS[1]
CS[n]
WORD
SDRAS/
SDCAS
SDCS[0]
SDQM[0-3]
SDCS[1]
SDQM[0-3]
LEDFLSH
EP7311 completes a low-power system solution. All
necessary interface logic is integrated on-chip.
DRIVE[0-1]
nEXTPWR
nBATCHG
SSIRXDA
WAKEUP
SSITXDA
SSIRXFR
SSITXFR
LEDDRV
ADCOUT
COL[0-7]
ADCCLK
SMPCLK
nPWRFL
nADCCS
SSICLK
DD[0-3]
PA[0-7]
PB[0-7]
PD[0-7]
BATOK
RXD1/2
PE[0-2]
FB[0-1]
TXD1/2
PHDIN
ADCIN
nPOR
FRM
RUN
DSR
DCD
CTS
CL1
CL2
M
High-Performance, Low-Power System on Chip
COMPARATORS
TRANSCEIVERS
ADC
CONVERTERS
SUPPLY UNIT
PHOTODIODE
CODEC/SSI2/
KEYBOARD
IR LED AND
DC-TO-DC
2× RS-232
POWER
MCP
AND
LCD
DIGITIZER
BATTERY
INPUT
DC
EP7311
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