| 品牌 | atmel | 型號(hào) | atmega64a-au |
| 批號(hào) | 10+ | 封裝 | tqfp64/qfn64 |
| 營(yíng)銷(xiāo)方式 | 現(xiàn)貨 | 產(chǎn)品性質(zhì) | 熱銷(xiāo) |
| 處理信號(hào) | 數(shù)?；旌闲盘?hào) | 工藝 | 半導(dǎo)體集成 |
| 規(guī)格尺寸 | 9 x 9 x 1.0（mm） | 工作溫度 | -40~85（℃） |
| 靜態(tài)功耗 | 0（mw） | 類(lèi)型 | 單片機(jī) |
8-bit
microcontroller
with 64k bytes
in-system
programmable
flash
features
• high-performance, low-power avr® 8-bit microcontroller
• advanced risc architecture
– 130 powerful instructions – most single clock cycle execution
– 32 x 8 general purpose working registers + peripheral control registers
– fully static operation
– up to 16 mips throughput at 16 mhz
– on-chip 2-cycle multiplier
• high endurance non-volatile memory segments
– 64k bytes of in-system reprogrammable flash program memory
– 2k bytes eeprom
– 4k bytes internal sram
– write/erase cycles: 10,000 flash/100,000 eeprom
– data retention: 20 years at 85°c/100 years at 25°c(1)
– optional boot code section with independent lock bits
• in-system programming by on-chip boot program
• true read-while-write operation
– up to 64k bytes optional external memory space
– programming lock for software security
– spi interface for in-system programming
• jtag (ieee std. 1149.1 compliant) interface
– boundary-scan capabilities according to the jtag standard
– extensive on-chip debug support
– programming of flash, eeprom, fuses, and lock bits through the jtag interface
• peripheral features
– two 8-bit timer/counters with separate prescalers and compare modes
– two expanded 16-bit timer/counters with separate prescaler, compare mode, and
capture mode
– real time counter with separate oscillator
– two 8-bit pwm channels
– 6 pwm channels with programmable resolution from 1 to 16 bits
– 8-channel, 10-bit adc
• 8 single-ended channels
• 7 differential channels
• 2 differential channels with programmable gain (1x, 10x, 200x)
– byte-oriented two-wire serial interface
– dual programmable serial usarts
– master/slave spi serial interface
– programmable watchdog timer with on-chip oscillator
– on-chip analog comparator
• special microcontroller features
– power-on reset and programmable brown-out detection
– internal calibrated rc oscillator
– external and internal interrupt sources
– six sleep modes: idle, adc noise reduction, power-save, power-down, standby
and extended standby
– software selectable clock frequency
– atmega103 compatibility mode selected by a fuse
– global pull-up disable
• i/o and packages
– 53 programmable i/o lines
– 64-lead tqfp and 64-pad qfn/mlf
• operating voltages
– 2.7 - 5.5v for atmega64a
• speed grades
– 0 - 16 mhz for atmega64a