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    參數(shù)資料
    型號: ATTINY44A-MFR
    廠商: Atmel
    文件頁數(shù): 121/135頁
    文件大?。?/td> 0K
    描述: MCU AVR 4KB FLASH 20MHZ 20QFN
    產(chǎn)品培訓模塊: MCU Product Line Introduction
    tinyAVR Introduction
    標準包裝: 1
    系列: AVR® ATtiny
    核心處理器: AVR
    芯體尺寸: 8-位
    速度: 20MHz
    連通性: USI
    外圍設備: 欠壓檢測/復位,POR,PWM,溫度傳感器,WDT
    輸入/輸出數(shù): 12
    程序存儲器容量: 4KB(2K x 16)
    程序存儲器類型: 閃存
    EEPROM 大小: 256 x 8
    RAM 容量: 256 x 8
    電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
    數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
    振蕩器型: 內(nèi)部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 20-WFQFN 裸露焊盤
    包裝: 標準包裝
    其它名稱: ATTINY44A-MFRDKR
    86
    32015G–AVR32–09/09
    AT32AP7001
    10.8
    Peripheral overview
    10.8.1
    External Bus Interface
    Optimized for Application Memory Space support
    Integrates Three External Memory Controllers:
    – Static Memory Controller
    – SDRAM Controller
    – ECC Controller
    Additional Logic for NAND Flash/SmartMediaTM and CompactFlashTM Support
    – SmartMedia support: 8-bit as well as 16-bit devices are supported
    – CompactFlash support: all modes (Attribute Memory, Common Memory, I/O, True IDE) are
    supported but the signals _IOIS16 (I/O and True IDE modes) and _ATA SEL (True IDE mode)
    are not handled.
    Optimized External Bus:
    – 16- or 32-bit Data Bus
    – Up to 26-bit Address Bus, Up to 64-Mbytes Addressable
    – Optimized pin multiplexing to reduce latencies on External Memories
    Up to 6 Chip Selects, Configurable Assignment:
    – Static Memory Controller on NCS0
    – SDRAM Controller or Static Memory Controller on NCS1
    – Static Memory Controller on NCS2
    – Static Memory Controller on NCS3, Optional NAND Flash/SmartMediaTM Support
    – Static Memory Controller on NCS4 - NCS5, Optional CompactFlashTM Support
    10.8.2
    Static Memory Controller
    6 Chip Selects Available
    64-Mbyte Address Space per Chip Select
    8-, 16- or 32-bit Data Bus
    Word, Halfword, Byte Transfers
    Byte Write or Byte Select Lines
    Programmable Setup, Pulse And Hold Time for Read Signals per Chip Select
    Programmable Setup, Pulse And Hold Time for Write Signals per Chip Select
    Programmable Data Float Time per Chip Select
    Compliant with LCD Module
    External Wait Request
    Automatic Switch to Slow Clock Mode
    Asynchronous Read in Page Mode Supported: Page Size Ranges from 4 to 32 Bytes
    10.8.3
    SDRAM Controller
    Numerous Configurations Supported
    – 2K, 4K, 8K Row Address Memory Parts
    – SDRAM with Two or Four Internal Banks
    – SDRAM with 16- or 32-bit Data Path
    Programming Facilities
    – Word, Half-word, Byte Access
    – Automatic Page Break When Memory Boundary Has Been Reached
    – Multibank Ping-pong Access
    – Timing Parameters Specified by Software
    – Automatic Refresh Operation, Refresh Rate is Programmable
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    相關代理商/技術參數(shù)
    參數(shù)描述
    ATTINY44A-MMH 功能描述:8位微控制器 -MCU 1.8V, 20MHz Industrial Temp RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
    ATTINY44A-MMHR 功能描述:8位微控制器 -MCU 4KB FLSH 256B EE256B SRAM-20MHz, NiPdAu RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
    ATTINY44A-MU 功能描述:8位微控制器 -MCU 1.8V, 20MHz Industrial Temp RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
    ATTINY44A-MU SL383 制造商:Atmel Corporation 功能描述:MCU 8-bit ATtiny AVR RISC 4KB Flash 2.5V/3.3V/5V 20-Pin MLF EP T/R
    ATTINY44A-MUR 功能描述:8位微控制器 -MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND, RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT