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參數(shù)資料
| 型號： | EP7311-CV |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 2/42頁 |
| 文件大小： | 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，EBI/EMI，IrDA，鍵盤，多媒體編解碼器，SPI/Microwire1，UART/USART |
| 外圍設(shè)備： | LCD，LED，MaverickKey，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： | 598-1224 |
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10
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS506F2
EP7311
High-Performance, Low-Power System on Chip
DC-to-DC converter interface (PWM)
Provides two 96 kHz clock outputs with programmable
duty ratio (from 1-in-16 to 15-in-16) that can be used to
drive a positive or negative DC to DC converter
Timers
Internal (RTC) timer
Two internal 16-bit programmable hardware count-down
timers
General Purpose Input/Output (GPIO)
Three 8-bit and one 3-bit GPIO ports
Supports scanning keyboard matrix
Note:
Pins are multiplexed. See Table S on page 11 for more
information.
Hardware debug Interface
Full JTAG boundary scan and Embedded ICE support
LED Flasher
A dedicated LED flasher module can be used to generate a low
frequency signal on Port D pin 0 for the purpose of blinking an
LED without CPU intervention. The LED flasher feature is
ideal as a visual annunciator in battery powered applications,
such as a voice mail indicator on a portable phone or an
appointment reminder on a PDA.
Software adjustable flash period and duty cycle
Operates from 32 kHz RTC clock
Will continue to flash in IDLE and STANDBY states
4 mA drive current
Note:
Pins are multiplexed. See Table S on page 11 for more
information.
Internal Boot ROM
The internal 128 byte Boot ROM facilitates download of saved
code to the on-board SRAM/FLASH.
Packaging
The EP7311 is available in a 208-pin LQFP package, 256-ball
PBGA package or a 204-ball TFBGA package.
Pin Mnemonic
I/O
Pin Description
DRIVE[1:0]
I/O
PWM drive output
FB[1:0]
I
PWM feedback input
Table N. DC-to-DC Converter Interface Pin Assignments
Pin Mnemonic
I/O
Pin Description
PA[7:0]
I/O
GPIO port A
PB[7:0]
I/O
GPIO port B
PD[0]/LEDFLSH
(Note)
I/O
GPIO port D
PD[5:1]
I/O
GPIO port D
PD[7:6]/SDQM[1:0]
(Note)
I/O
GPIO port D
PE[1:0]/BOOTSEL[1:0] (Note)
I/O
GPIO port E
PE[2]/CLKSEL
(Note)
I/O
GPIO port E
Table O. General Purpose Input/Output Pin Assignments
Pin Mnemonic
I/O
Pin Description
TCLK
I
JTAG clock
TDI
I
JTAG data input
TDO
O
JTAG data output
nTRST
I
JTAG async reset input
TMS
I
JTAG mode select
Table P. Hardware Debug Interface Pin Assignments
Pin Mnemonic
I/O
Pin Description
PD[0]/LEDFLSH
(Note)
O
LED flasher driver
Table Q. LED Flasher Pin Assignments
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP7311-CV-90 | 功能描述:音頻片上系統(tǒng) - SoC IC Ultra Lw Pwr Hi Perf SOC w/LCD RoHS:否 制造商:Cirrus Logic |
| EP7311-CV-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-EB-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-ER-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-EV-C | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
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