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參數(shù)資料
| 型號(hào)： | EP7309-CVZ |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 40/42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(chǔ)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： | 598-1214 |
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DS507F2
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
7
EP7309
High-Performance, Low-Power System on Chip
rates up to 115.2 kbps. An IrDA SIR protocol encoder/decoder
can be optionally switched into the RX/TX signals to/from
UART 1 to enable these signals to drive an infrared
communication interface directly.
Digital Audio Interface (DAI)
The EP7309 integrates an interface to enable a direct
connection to many low cost, low power, high quality audio
converters. In particular, the DAI can directly interface with
the Crystal CS43L41/42/43 low-power audio DACs and the
Crystal CS53L32 low-power ADC. Some of these devices
feature digital bass and treble boost, digital volume control and
compressor-limiter functions.
Note:
See Table 17 on page 10 for information on pin
multiplexes.
CODEC Interface
The EP7309 includes an interface to telephony-type CODECs
for easy integration into voice-over-IP and other voice
communications
systems.
The
CODEC
interface
is
multiplexed to the same pins as the DAI and SSI2.
Note:
See Table 17 on page 10 for information on pin
multiplexes.
SSI2 Interface
An
additional
SPI/Microwire1-compatible
interface
is
available for both master and slave mode communications. The
SSI2 unit shares the same pins as the DAI and CODEC
interfaces through a multiplexer.
Synchronous clock speeds of up to 512 kHz
Separate 16 entry TX and RX half-word wide FIFOs
Half empty/full interrupts for FIFOs
Separate RX and TX frame sync signals for asymmetric
traffic
Note:
See Table 17 on page 10 for information on pin
multiplexes.
Pin Mnemonic
I/O
Pin Description
TXD[1]
O
UART 1 transmit
RXD[1]
I
UART 1 receive
CTS
I
UART 1 clear to send
DCD
I
UART 1 data carrier detect
DSR
I
UART 1 data set ready
TXD[2]
O
UART 2 transmit
RXD[2]
I
UART 2 receive
LEDDRV
O
Infrared LED drive output
PHDIN
I
Photo diode input
Table 3. Universal Asynchronous Receiver/Transmitters Pin
Assignments
Pin Mnemonic
I/O
Pin Description
SCLK
O
Serial bit clock
SDOUT
O
Serial data out
SDIN
I
Serial data in
LRCK
O
Sample clock
MCLKIN
I
Master clock input
MCLKOUT
O
Master clock output
Table 4. DAI Interface Pin Assignments
Pin Mnemonic
I/O
Pin Description
PCMCLK
O
Serial bit clock
PCMOUT
O
Serial data out
PCMIN
I
Serial data in
PCMSYNC
O
Frame sync
Table 5. CODEC Interface Pin Assignments
Pin Mnemonic
I/O
Pin Description
SSICLK
I/O
Serial bit clock
SSITXDA
O
Serial data out
SSIRXDA
I
Serial data in
SSITXFR
I/O
Transmit frame sync
SSIRXFR
I/O
Receive frame sync
Table 6. SSI2 Interface Pin Assignments
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP7309-EB-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-ER-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-EV-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
| EP7309-IB | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface |
| EP7309-IB-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE |
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