參數(shù)資料
型號： 90S1200
廠商： Atmel Corp.
元件分類： 8位微控制器
英文描述： -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash
中文描述： 位AVR微控制器具有8K字節(jié)的系統(tǒng)內(nèi)可編程閃存
文件頁數(shù)： 69/71頁
文件大?。?/td> 1416K
代理商： 90S1200
i
AT90S1200
0838H
–
AVR
–
03/02
Table of Contents
Features................................................................................................. 1
Pin Configuration.................................................................................. 1
Description............................................................................................ 2
Block Diagram ...................................................................................................... 2
Pin Descriptions.................................................................................................... 3
Crystal Oscillator................................................................................................... 3
On-chip RC Oscillator........................................................................................... 4
Architectural Overview......................................................................... 5
General Purpose Register File ............................................................................. 6
ALU
–
Arithmetic Logic Unit.................................................................................. 6
In-System Programmable Flash Program Memory .............................................. 6
Program and Data Addressing Modes.................................................................. 7
Subroutine and Interrupt Hardware Stack ............................................................ 8
EEPROM Data Memory........................................................................................ 9
Instruction Execution Timing................................................................................. 9
I/O Memory......................................................................................................... 10
Reset and Interrupt Handling.............................................................................. 12
Sleep Modes....................................................................................................... 19
Timer/Counter0 ................................................................................... 20
Timer/Counter0 Prescaler................................................................................... 20
Watchdog Timer.................................................................................. 23
EEPROM Read/Write Access............................................................. 25
Prevent EEPROM Corruption............................................................................. 26
Analog Comparator ............................................................................ 27
I/O Ports............................................................................................... 29
Port B.................................................................................................................. 29
Port D.................................................................................................................. 34
Memory Programming........................................................................ 37
Program and Data Memory Lock Bits................................................................. 37
Fuse Bits............................................................................................................. 37
Signature Bytes .................................................................................................. 37
Programming the Flash and EEPROM............................................................... 37
Parallel Programming......................................................................................... 38
Parallel Programming Characteristics ................................................................ 43
Serial Downloading............................................................................................. 44
Serial Programming Characteristics................................................................... 47
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