atmega128rfa1主要特性: 深圳市粤科达电子限公司
• high performance, low power avr® 8-bit microcontroller
• advanced risc architecture
- 135 powerful instructions – most single clock cycle execution
- 32x8 general purpose working registers
- fully static operation
- up to 16 mips throughput at 16 mhz and 1.8v
- on-chip 2-cycle multiplier
• non-volatile program and data memories
- 128k bytes of in-system self-programmable flash
• endurance: 1000 write/erase cycles @ 125°c (2000 cycles @ 85°c)
- 4k bytes eeprom
• endurance: 1000 write/erase cycles @ 125°c (2000 cycles @ 85°c)
- 16k bytes internal sram
• 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
- multiple timer/counter & pwm channels
- real time counter with separate oscillator
- 10-bit, 330 ks/s a/d converter; analog comparator; on-chip temperature sensor
- master/slave spi serial interface
- two programmable serial usart
- byte oriented 2-wire serial interface
• advanced interrupt handler
• watchdog timer with separate on-chip oscillator
• power-on reset and low current brown-out detector
• advanced power save modes
• fully integrated low power transceiver for 2.4 ghz ism band
- supported data rates: 250 kb/s and 500 kb/s, 1 mb/s, 2 mb/s
- -100 dbm rx sensitivity; tx output power up to 3.5 dbm
- hardware assisted mac (auto-acknowledge, auto-retry)
- 32 bit ieee 802.15.4 symbol counter
- baseband signal processing
- sfr-detection, spreading; de-spreading; framing ; crc-16 computation
- antenna diversity and tx/rx control
- tx/rx 128 byte frame buffer
• hardware security (aes, true random generator)
• integrated crystal oscillators (32.768 khz & 16 mhz, external crystal needed)
• i/o and package
- 38 programmable i/o lines
- 64-pad qfn (rohs/fully green)
• temperature range: -40°c to 125°c industrial
• supply voltage range 1.8v to 3.6v with integrated voltage regulators
• ultra low power consumption (1.8 to 3.6v) for rx/tx & avr: <18.6 ma
- cpu active mode (16mhz): 4.1 ma
- 2.4ghz transceiver: rx_on 12.5 ma / tx 14.5 ma (maximum tx output power)
- deep sleep mode: <250na @ 25℃
• speed grade: 0 – 16 mhz @ 1.8 – 3.6v
atmega128rfa1应用:
• zigbee® / ieee 802.15.4-2006/2003™ – full and reduced function device (ffd/rfd)
• general purpose 2.4ghz ism band transceiver with microcontroller
• rf4ce, sp100, wirelesshart™, ism applications and ipv6 / 6lowpan
图1.atmega128rfa1方框图
图2.atmega128rfa1基本应用电路
基本应用电路材料清单:
图3.atmega128rfa1扩展应用电路
rcb键控评估板
this application note provides a detailed hardware description for the individual function blocks of the rcb key remote control (keyremote) board. the keyremote is used in conjunction with an atmel® rcb in order to evaluate remote control applications.
rcb键控评估板主要特性:
• connector interface to adapt various radio controller boards (rcb)
• rcb battery powered, hand-held evaluation, and development platform
• 25 keys
• 5 leds
• 128 x 32 graphic display
• analog, three-axis acceleration sensor
• 980nm ir transmitter
• rs232 and jtag interfaces
图4.rcb评估板方框图
图5.rcb键控评估板外形图
图6.rcb键控评估板电路图
rcb键控评估板材料清单:
atmel公司的atmega128rfa1是基于avr增强型risc架构的低功耗cmos 8位mcu和2.4 ghz ism高速数据收发器,具有135条指令,32x8通用工作寄存器,全静态操作,工作电压1.8v 到3.6v,主要用在zigbee® / ieee 802.15.4-2006/2003™ ffd/rfd,通用2.4ghz ism频带收发器, rf4ce, sp100, wirelesshart和ipv6 / 6lowpan.本文介绍了atmega128rfa1主要特性, 方框图, 基本和扩展应用电路,材料清单以及rcb键控评估板方框图,电路图和材料清单.
