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| 型號(hào)： | EP7311-EV-C |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| 中文描述： | 32-BIT, 74 MHz, RISC MICROCONTROLLER, PQFP208 |
| 封裝： | LQFP-208 |
| 文件頁(yè)數(shù)： | 7/54頁(yè) |
| 文件大?。?/td> | 1533K |
| 代理商： | EP7311-EV-C |
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DS506PP1
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
7
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 drivea positiveor 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 8
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 purposeof
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
portablephone or an appointment reminder on a PDA.
Softwareadjustableflash 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 8
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 packageor 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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EP7311-IB-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-IV-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7311-IR-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7312-EV-90 | HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
| EP7312-EV-C | HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP7311-IB | 功能描述:音頻片上系統(tǒng) - SoC IC Ultra Low PWR Hi Perf SOC w/LCD RoHS:否 制造商:Cirrus Logic |
| EP7311-IB-90 | 功能描述:音頻片上系統(tǒng) - SoC IC Ultra Low PWR Hi Perf SOC w/LCD RoHS:否 制造商:Cirrus Logic |
| EP7311-IB-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-IBZ | 制造商:Cirrus Logic 功能描述:IC, 32BIT MCU, ARM7, 74MHZ, BGA-256, Controller Family/Series:(ARM7), Core Size: |
| EP7311-IR | 功能描述:IC ARM720T MCU 74MHZ 204-TFBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:EP7 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:8KB（4K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR) |
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