參數(shù)資料
型號(hào): ATMEGA644-20MUR
廠商: Atmel
文件頁(yè)數(shù): 22/23頁(yè)
文件大?。?/td> 0K
描述: MCU AVR 64K FLASH 20MHZ 44QFN
產(chǎn)品培訓(xùn)模塊: megaAVR Introduction
標(biāo)準(zhǔn)包裝: 4,000
系列: AVR® ATmega
核心處理器: AVR
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 64KB(32K x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 2K x 8
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 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: 44-VFQFN 裸露焊盤
包裝: 帶卷 (TR)
其它名稱: ATMEGA644-20MUR-ND
ATMEGA644-20MURTR
8
2593OS–AVR–02/12
ATmega644
4.
Register Summary
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
(0xFF)
Reserved
-
(0xFE)
Reserved
-
(0xFD)
Reserved
-
(0xFC)
Reserved
-
(0xFB)
Reserved
-
(0xFA)
Reserved
-
(0xF9)
Reserved
-
(0xF8)
Reserved
-
(0xF7)
Reserved
-
(0xF6)
Reserved
-
(0xF5)
Reserved
-
(0xF4)
Reserved
-
(0xF3)
Reserved
-
(0xF2)
Reserved
-
(0xF1)
Reserved
-
(0xF0)
Reserved
-
(0xEF)
Reserved
-
(0xEE)
Reserved
-
(0xED)
Reserved
-
(0xEC)
Reserved
-
(0xEB)
Reserved
-
(0xEA)
Reserved
-
(0xE9)
Reserved
-
(0xE8)
Reserved
-
(0xE7)
Reserved
-
(0xE6)
Reserved
-
(0xE5)
Reserved
-
(0xE4)
Reserved
-
(0xE3)
Reserved
-
(0xE2)
Reserved
-
(0xE1)
Reserved
-
(0xE0)
Reserved
-
(0xDF)
Reserved
-
(0xDE)
Reserved
-
(0xDD)
Reserved
-
(0xDC)
Reserved
-
(0xDB)
Reserved
-
(0xDA)
Reserved
-
(0xD9)
Reserved
-
(0xD8)
Reserved
-
(0xD7)
Reserved
-
(0xD6)
Reserved
-
(0xD5)
Reserved
-
(0xD4)
Reserved
-
(0xD3)
Reserved
-
(0xD2)
Reserved
-
(0xD1)
Reserved
-
(0xD0)
Reserved
-
(0xCF)
Reserved
-
(0xCE)
Reserved
-
(0xCD)
Reserved
-
(0xCC)
Reserved
-
(0xCB)
Reserved
-
(0xCA)
Reserved
-
(0xC9)
Reserved
-
(0xC8)
Reserved
-
(0xC7)
Reserved
-
(0xC6)
UDR0
USART0 I/O Data Register
182
(0xC5)
UBRR0H
-
USART0 Baud Rate Register High Byte
186/198
(0xC4)
UBRR0L
USART0 Baud Rate Register Low Byte
186/198
(0xC3)
Reserved
-
(0xC2)
UCSR0C
UMSEL01
UMSEL00
UPM01
UPM00
USBS0
UCSZ01
UCSZ00
UCPOL0
184/197
(0xC1)
UCSR0B
RXCIE0
TXCIE0
UDRIE0
RXEN0
TXEN0
UCSZ02
RXB80
TXB80
183/197
(0xC0)
UCSR0A
RXC0
TXC0
UDRE0
FE0
DOR0
UPE0
U2X0
MPCM0
182/196
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ATmega644-20PU 功能描述:8位微控制器 -MCU 64kB Flash 2kB EEPROM 32 I/O Pins 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
ATMEGA644A-AU 功能描述:8位微控制器 -MCU 20 MHz Ind 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
ATMEGA644A-AUR 功能描述:8位微控制器 -MCU 20 MHz Ind 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
ATMEGA644A-MU 功能描述:8位微控制器 -MCU 20 MHz Ind 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
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