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參數(shù)資料
| 型號： | ATMEGA128-16AU |
| 廠商： | Atmel |
| 文件頁數(shù)： | 20/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AVR MCU 128K 16MHZ 5V 64TQFP |
| 產(chǎn)品培訓(xùn)模塊： | MCU Product Line Introduction megaAVR Introduction |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 系列： | AVR® ATmega |
| 核心處理器： | AVR |
| 芯體尺寸： | 8-位 |
| 速度： | 16MHz |
| 連通性： | EBI/EMI，I²C，SPI，UART/USART |
| 外圍設(shè)備： | 欠壓檢測/復(fù)位，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 53 |
| 程序存儲器容量： | 128KB（64K x 16） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大?。?/td> | 4K x 8 |
| RAM 容量： | 4K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4.5 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： | 64-TQFP |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 614 (CN2011-ZH PDF) |
| 配用： | ATSTK600-RC09-ND - STK600 ROUTING CARD AVR ATSTK600-TQFP64-ND - STK600 SOCKET/ADAPTER 64-TQFP ATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM ATJTAGICE2-ND - AVR ON-CHIP D-BUG SYSTEM ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU ATSTK500-ND - PROGRAMMER AVR STARTER KIT |
5
2467XS–AVR–06/11
ATmega128
The ATmega128 is 100% pin compatible with ATmega103, and can replace the ATmega103 on
current Printed Circuit Boards. The application note “Replacing ATmega103 by ATmega128”
describes what the user should be aware of replacing the ATmega103 by an ATmega128.
ATmega103
Compatibility Mode
By programming the M103C fuse, the AtmelATmega128 will be compatible with the
ATmega103 regards to RAM, I/O pins and interrupt vectors as described above. However, some
new features in ATmega128 are not available in this compatibility mode, these features are
listed below:
One USART instead of two, Asynchronous mode only. Only the eight least significant bits of
the Baud Rate Register is available.
One 16 bits Timer/Counter with two compare registers instead of two 16-bit Timer/Counters
with three compare registers.
Two-wire serial interface is not supported.
Port C is output only.
Port G serves alternate functions only (not a general I/O port).
Port F serves as digital input only in addition to analog input to the ADC.
Boot Loader capabilities is not supported.
It is not possible to adjust the frequency of the internal calibrated RC Oscillator.
The External Memory Interface can not release any Address pins for general I/O, neither
configure different wait-states to different External Memory Address sections.
In addition, there are some other minor differences to make it more compatible to ATmega103:
Only EXTRF and PORF exists in MCUCSR.
Timed sequence not required for Watchdog Time-out change.
External Interrupt pins 3 - 0 serve as level interrupt only.
USART has no FIFO buffer, so data overrun comes earlier.
Unused I/O bits in ATmega103 should be written to 0 to ensure same operation in ATmega128.
Pin Descriptions
VCC
Digital supply voltage.
GND
Ground.
Port A (PA7..PA0)
Port A is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port A output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port A pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port A pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port A also serves the functions of various special features of the ATmega128 as listed on page
72.
Port B (PB7..PB0)
Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port B output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B also serves the functions of various special features of the ATmega128 as listed on page
73.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATMEGA128-16AU PR0GRAMMED | 制造商:MISCELLANEOUS 功能描述: |
| ATMEGA128-16AU SL602 | 制造商:Atmel Corporation 功能描述: |
| ATMEGA128-16AU 10532 | 制造商:Atmel Corporation 功能描述: |
| ATMEGA128-16AUR | 功能描述:8位微控制器 -MCU AVR 128KB FLASH 4KB EE 4KB SRAM,5V 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 |
| ATmega128-16MC | 功能描述:8位微控制器 -MCU AVR 128K FLSH 4K EE SPI/UART/TWI ADC 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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