Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS506F2 EP7311 High-Performance, Low-Power S" />
參數(shù)資料
型號(hào): EP7311-CB
廠(chǎng)商: Cirrus Logic Inc
文件頁(yè)數(shù): 2/42頁(yè)
文件大小: 0K
描述: IC ARM720T MCU 74MHZ 256-PBGA
標(biāo)準(zhǔn)包裝: 90
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(pán),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(chǔ)器類(lèi)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: 256-BGA
包裝: 托盤(pán)
其它名稱(chēng): 598-1220
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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EP7311-CB-90 功能描述:IC ARM720T MCU 90MHZ 256-PBGA RoHS:否 類(lèi)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(lèi)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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