参数资料
型号: EP7312-CB
厂商: Cirrus Logic Inc
文件页数: 4/54页
文件大小: 0K
描述: IC ARM720T MCU 74MHZ 256-PBGA
标准包装: 90
系列: EP7
核心处理器: ARM7
芯体尺寸: 32-位
速度: 74MHz
连通性: 编解码器,DAI,EBI/EMI,IrDA,键盘,SPI/Microwire1,UART/USART
外围设备: LCD,LED,MaverickKey,PWM
输入/输出数: 27
程序存储器类型: ROMless
RAM 容量: 56K x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 2.7 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 256-BGA
包装: 托盘
配用: 598-1209-ND - KIT DEVELOPMENT EP73XX ARM7
其它名称: 598-1232
12
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS508F2
EP7312
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 EP7312
completes a low-power system solution. All necessary
interface logic is integrated on-chip.
Figure 1. A Fully-Configured EP7312-Based System
Note:
A system can only use one of the following peripheral interfaces at any given time: SSI2,CODEC or DAI.
LCD
KEYBOARD
BATTERY
DC-TO-DC
CONVERTERS
ADC
DIGITIZER
IR LED AND
PHOTODIODE
2
RS-232
TRANSCEIVERS
ADDITIONAL I/O
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]
EP7
312
ADCCLK
nADCCS
ADCOUT
ADCIN
SMPCLK
LEDDRV
PHDIN
RXD[[1/2]
TXD[1/2]
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/
DAI
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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