Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS507F2 EP7309 High-Performance, Low-Power S" />
參數(shù)資料
型號: EP7309-CV
廠商: Cirrus Logic Inc
文件頁數(shù): 2/42頁
文件大?。?/td> 0K
描述: IC ARM720T MCU 74MHZ 208-LQFP
標(biāo)準(zhǔn)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,DAI,EBI/EMI,IrDA,鍵盤,SPI/Microwire1,UART/USART
外圍設(shè)備: LCD,LED,MaverickKey,POR,PWM
輸入/輸出數(shù): 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: 598-1213
10
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS507F2
EP7309
High-Performance, Low-Power System on Chip
Internal Boot ROM
The internal 128 byte Boot ROM facilitates download of saved
code to the on-board SRAM/FLASH.
Packaging
The EP7309 is available in a 208-pin LQFP package, 256-ball
PBGA package or a 204-ball TFBGA package.
Pin Multiplexing
The following table shows the pin multiplexing of the DAI,
SSI2 and the CODEC. The selection between SSI2 and the
CODEC is controlled by the state of the SERSEL bit in
SYSCON2. The choice between the SSI2, CODEC, and the
DAI is controlled by the DAISEL bit in SYSCON3 (see the
EP7309 User’s Manual for more information).
The following table shows the pins that have been multiplexed
in the EP7309.
Pin
Mnemonic
I/O
DAI
SSI2
CODEC
SSICLK
I/O
SCLK
SSICLK
PCMCLK
SSITXDA
O
SDOUT
SSITXDA
PCMOUT
SSIRXDA
I
SDIN
SSIRXDA
PCMIN
Table 17. DAI/SSI2/CODEC Pin Multiplexing
SSITXFR
I/O
LRCK
SSITXFR
PCMSYNC
SSIRXFR
I
MCLKIN
SSIRXFR
p/u
BUZ
O
MCLKOUT
Signal
Block
Signal
Block
RUN
System
Configuration
CLKEN
System
Configuration
nMEDCHG
Interrupt
Controller
nBROM
Boot ROM
select
PD[0]
GPIO
LEDFLSH
LED Flasher
PE[1:0]
GPIO
BOOTSEL[1:0]
System
Configuration
PE[2]
GPIO
CLKSEL
System
Configuration
Table 18. Pin Multiplexing
Pin
Mnemonic
I/O
DAI
SSI2
CODEC
Table 17. DAI/SSI2/CODEC Pin Multiplexing
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