Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS506F2 EP7311 High-Performance, Low-Power S" />
參數資料
型號: EP7311-CV
廠商: Cirrus Logic Inc
文件頁數: 4/42頁
文件大?。?/td> 0K
描述: IC ARM720T MCU 74MHZ 208-LQFP
標準包裝: 36
系列: EP7
核心處理器: ARM7
芯體尺寸: 32-位
速度: 74MHz
連通性: 編解碼器,EBI/EMI,IrDA,鍵盤,多媒體編解碼器,SPI/Microwire1,UART/USART
外圍設備: LCD,LED,MaverickKey,PWM
輸入/輸出數: 27
程序存儲器類型: ROMless
RAM 容量: 56K x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 2.7 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 208-LQFP
包裝: 托盤
其它名稱: 598-1224
12
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS506F2
EP7311
High-Performance, Low-Power System on Chip
System Design
As shown in system block diagram, simply adding desired
memory and peripherals to the highly integrated EP7311
completes a low-power system solution. All necessary
interface logic is integrated on-chip.
Figure 1. A Maximum EP7311 Based System
Note:
A system can only use one of the following peripheral
interfaces at any given time: SSI2,CODEC or MCP.
LCD
KEYBOARD
BATTERY
DC-TO-DC
CONVERTERS
ADC
DIGITIZER
IR LED AND
PHOTODIODE
2
RS-232
TRANSCEIVERS
ADDITIONAL I/O
PC CARD
CONTROLLER
PC CARD
SOCKET
nCS[4]
PB0
EXPCLK
DD[0-3]
CL1
CL2
FRM
M
D[0-31]
A[0-27]
COL[0-7]
PA[0-7]
DC
INPUT
nMOE
WRITE
PB[0-7]
PD[0-7]
PE[0-2]
nPOR
nPWRFL
BATOK
nEXTPWR
nBATCHG
RUN
WAKEUP
nCS[0]
nCS[1]
DRIVE[0-1]
FB[0-1]
EP731
1
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
6
FLASH
EXTERNAL MEMORY-
MAPPED EXPANSION
BUFFERS
AND
LATCHES
16
FLASH
POWER
SUPPLY UNIT
AND
COMPARATORS
CRYSTAL
CODEC/SSI2/
MCP
SSICLK
SSITXFR
SSITXDA
SSIRXDA
SSIRXFR
RTCIN
LEDFLSH
CRYSTAL
MOSCIN
16
SDRAM
16
SDRAM
6
SDRAM
16
SDRAM
SDCS[1]
SDQM[0-3]
SDCS[0]
SDQM[0-3]
SDRAS/
SDCAS
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