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ATmega256RFR2 데이터시트 PDF




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부품번호 ATmega256RFR2 기능
기능 8-bit Microcontroller
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ATmega256RFR2 데이터시트, 핀배열, 회로
ATmega256/128/64RFR2
Features
Network support by hardware assisted Multiple PAN Address Filtering
Advanced Hardware assisted Reduced Power Consumption
High Performance, Low Power AVR® 8-Bit Microcontroller
Advanced RISC Architecture
- 135 Powerful Instructions – Most Single Clock Cycle Execution
- 32x8 General Purpose Working Registers / On-Chip 2-cycle Multiplier
- Up to 16 MIPS Throughput at 16 MHz and 1.8V – Fully Static Operation
Non-volatile Program and Data Memories
- 256K/128K/64K Bytes of In-System Self-Programmable Flash
Endurance: 10’000 Write/Erase Cycles @ 125°C (25’000 Cycles @ 85°C)
- 8K/4K/2K Bytes EEPROM
Endurance: 20’000 Write/Erase Cycles @ 125°C (100’000 Cycles @ 25°C)
- 32K/16K/8K 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 and Power Save Modes
Watchdog Timer with Separate On-Chip Oscillator
Power-on Reset and Low Current Brown-Out Detector
Fully integrated Low Power Transceiver for 2.4 GHz ISM Band
- High Power Amplifier support by TX spectrum side lobe suppression
- 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
- SFD-Detection, Spreading; De-Spreading; Framing ; CRC-16 Computation
- Antenna Diversity and TX/RX control / TX/RX 128 Byte Frame Buffer
- Phase measurement support
PLL synthesizer with 5 MHz and 500 kHz channel spacing for 2.4 GHz ISM Band
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
Ultra Low Power consumption (1.8 to 3.6V) for AVR & Rx/Tx: 10.1mA/18.6 mA
- CPU Active Mode (16MHz): 4.1 mA
- 2.4GHz Transceiver: RX_ON 6.0 mA / TX 14.5 mA (maximum TX output power)
- Deep Sleep Mode: <700nA @ 25°C
Speed Grade: 0 – 16 MHz @ 1.8 – 3.6V range with integrated voltage regulators
8-bit
Microcontroller
with Low Power
2.4GHz
Transceiver for
ZigBee and
IEEE 802.15.4
ATmega256RFR2
ATmega128RFR2
ATmega64RFR2
Applications
ZigBee® / IEEE 802.15.4-2011/2006/2003– Full and Reduced Function Device
General Purpose 2.4GHz ISM Band Transceiver with Microcontroller
RF4CE, SP100, WirelessHART, ISM Applications and IPv6 / 6LoWPAN
8393C-MCU Wireless-09/14
8393C-MCU Wireless-09/14
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ATmega256RFR2 pdf, 반도체, 판매, 대치품
Spectrum Signal (DSSS) processing with spreading and despreading. The device is
fully compatible with IEEE802.15.4-2011/2006/2003 and ZigBee standards.
The ATmega256/128/64RFR2 provides the following features: 256K/128K/64K Bytes of
In-System Programmable (ISP) Flash with read-while-write capabilities, 8K/4K/2K Bytes
EEPROM, 32K/16K/8K Bytes SRAM, up to 35 general purpose I/O lines, 32 general
purpose working registers, Real Time Counter (RTC), 6 flexible Timer/Counters with
compare modes and PWM, a 32 bit Timer/Counter, 2 USART, a byte oriented 2-wire
Serial Interface, a 8 channel, 10 bit analog to digital converter (ADC) with an optional
differential input stage with programmable gain, programmable Watchdog Timer with
Internal Oscillator, a SPI serial port, IEEE std. 1149.1 compliant JTAG test interface,
also used for accessing the On-chip Debug system and programming and 6 software
selectable power saving modes.
The Idle mode stops the CPU while allowing the SRAM, Timer/Counters, SPI port, and
interrupt system to continue functioning. The Power-down mode saves the register
contents but freezes the Oscillator, disabling all other chip functions until the next
interrupt or hardware reset. In Power-save mode, the asynchronous timer continues to
run, allowing the user to maintain a timer base while the rest of the device is sleeping.
The ADC Noise Reduction mode stops the CPU and all I/O modules except
asynchronous timer and ADC, to minimize switching noise during ADC conversions. In
Standby mode, the RC oscillator is running while the rest of the device is sleeping. This
allows very fast start-up combined with low power consumption. In Extended Standby
mode, both the main RC oscillator and the asynchronous timer continue to run.
Typical supply current of the microcontroller with CPU clock set to 16MHz and the radio
transceiver for the most important states is shown in the Figure 3-2 below.
Figure 3-2 Radio transceiver and microcontroller (16MHz) supply current
20
1.8V
3.0V
3.6V
15
RPC disabled 16,6mA
18,6mA
10 RPC enabled 10.1mA
5
4,1mA
4,7mA
275000nnA
0
Deep Sleep
SLEEP
TRX_OFF
RX_ON
BUSY_TX
Radio transceiver and microcontroller (16MHz) supply current
The transmit output power is set to maximum. If the radio transceiver is in SLEEP mode
the current is dissipated by the AVR microcontroller only.
In Deep Sleep mode all major digital blocks with no data retention requirements are
disconnected from main supply providing a very small leakage current. Watchdog timer,
MAC symbol counter and 32.768kHz oscillator can be configured to continue to run.
4 ATmega256/128/64RFR2
8393C-MCU Wireless-09/14

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ATmega256RFR2 전자부품, 판매, 대치품
ATmega256/128/64RFR2
3.2.22 CLKI
Input to the clock system. If selected, it provides the operating clock of the
microcontroller.
3.3 Unused Pins
Floating pins can cause power dissipation in the digital input stage. They should be
connected to an appropriate source. In normal operation modes the internal pull-up
resistors can be enabled (in Reset all GPIO are configured as input and the pull-up
resistors are still not enabled).
Bi-directional I/O pins shall not be connected to ground or power supply directly.
The digital input pins TST and CLKI must be connected. If unused pin TST can be
connected to AVSS while CLKI should be connected to DVSS.
Output pins are driven by the device and do not float. Power supply pins respective
ground supply pins are connected together internally.
XTAL1 and XTAL2 shall never be forced to supply voltage at the same time.
3.4 Compatibility to ATmega128RFA1
Backward compatibility of the ATmega256/128/64RFR2 to the ATmega128RFA1 is
provided in most cases. However some incompatibilities may exist.
The ATmega256/128/64RFR2 uses the same package as the ATmega128RFA1.
4 Resources
A comprehensive set of development tools and application notes, and datasheets are
available for download on http://www.atmel.com.
5 About Code Examples
This documentation contains simple code examples that briefly show how to use
various parts of the device. Be aware that not all C compiler vendors include bit
definitions in the header files and interrupt handling in C is compiler dependent. Please
confirm with the C compiler documentation for more details.
These code examples assume that the part specific header file is included before
compilation. For I/O registers located in extended I/O map, "IN", "OUT", "SBIS", "SBIC",
"CBI", and "SBI" instructions must be replaced with instructions that allow access to
extended I/O. Typically "LDS" and "STS" combined with "SBRS", "SBRC", "SBR", and
"CBR".
6 Data Retention and Endurance
6.1 Data Retention
The data retention of the non-volatile memories is
over 10 years at 125°C
over 100 years at 25°C
6.2 Endurance of the Code Memory (FLASH)
The endurance of the code memory (FLASH) is
8393C-MCU Wireless-09/14
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부품번호상세설명 및 기능제조사
ATmega256RFR2

8-bit Microcontroller

ATMEL Corporation
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