Microchip Microcontroller

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Approx. Rs 100 / PieceGet Latest Price

• 1 x Atmega328P-PU chip

Additional Information:

Approx. Rs 100 / PieceGet Latest Price

It provides 128 Kbytes of In-System Programmable Flash with Read-While-Write capabilities, 4 Kbytes EEPROM, 4 Kbytes SRAM, 53 general purpose I/O lines, 32 general purpose working registers, Real Time Counter (RTC), four flexible Timer/Counters with compare modes and PWM, 2 USARTs, a byte oriented Two-wire Serial Interface, an 8-channel, 10-bit ADC with optional differential input stage with programmable gain, programmable Watchdog Timer with Internal Oscillator, an SPI serial port, IEEE std. 1149.1 compliant JTAG test interface, also used for accessing the On-chip Debug system and programming and six software selectable power saving modes.

High Endurance Non-volatile Memory segments

• 128Kbytes of In-System Self-programmable Flash program memory
• 4Kbytes EEPROM
• Data retention: 20 years at 85°C/100 years at 25°C(1)
• Optional Boot Code Section with Independent Lock Bits

• Up to 64 Kbytes Optional External Memory Space
• Programming Lock for Software Security
• SPI Interface for In-System Programming

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

Specifications:

• Controller Family/Series: AVR MEGA
• Core Size: 8bit
• No. of I/O's: 53
• Program Memory Size: 128 KB
• EEPROM Memory Size: 4KB
• RAM Memory Size: 4KB
• CPU Speed: 16MHz
• Oscillator Type: External, Internal
• No. of Timers: 4
• Peripherals: ADC, Comparator, PWM, RTC, Timer
• Embedded Interface Type: JTAG, SPI, USART
• Digital IC Case Style: TQFP
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• No. of Pins: 64
• SVHC: No SVHC (18-Jun-2012)
• Base Number: megaAVR
• Device Marking: ATMEGA128A-AU
• IC Generic Number: 128
• Interface: JTAG, Serial, SPI, USART, 2-Wire
• Interface: JTAG, SPI, USART
• Interface Type: USART, SPI
• Logic Function Number: 128
• No. of ADC Inputs: 8
• No. of I/O's: 53
• Package / Case: TQFP
• Program Memory Size: 128KB
• Supply Voltage Min: 2.7V
• Termination Type: SMD

Additional Information:

Approx. Rs 200 / PieceGet Latest Price

• Part ATMEGA328P-AU
• 32kB Flash program memory
• 1kB EEPROM
• 2 8-bit Timer/Counters
• 1 16-bit Timer/Counter
• RTC with separate oscillator
• 6 PWM Channels
• 8 Channel 10-bit ADC
• Serial USART
• Master/Slave SPI interface
• 2-wire (I2C) interface
• Watchdog timer
• Analog comparator
• 23 IO lines
• Data retention 20 years at 85C/ 100 years at 25C

Additional Information:

Approx. Rs 200 / PieceGet Latest Price

• High-performance, Low-power AVR 8-bit Microcontroller
• Advanced RISC Architecture
• 131 Powerful Instructions MostSingle-clock Cycle Execution
• 32 x 8 General Purpose Working Registers
• Fully Static Operation
• Up to 16 MIPS Throughput at 16 MHz
• On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory segments
• 16K Bytes of In-System Self-programmable Flash program memory
• 512 Bytes EEPROM
• 1K Byte Internal SRAM
• Write/Erase Cycles 10,000 Flash/100,000 EEPROM
• Data retention 20 years at 85 DegreeC/100 years at 25 DegreeC (1)
• Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot ProgramTrue Read-While-Write Operation
• Programming Lock for Software Security
• 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
• One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
• Real Time Counter with Separate Oscillator
• Four PWM Channels
• 8-channel, 10-bit ADC8 Single-ended Channels 7 Differential Channels in TQFP Package Only 2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
• Byte-oriented Two-wire Serial Interface
• Programmable Serial USART
• Master/Slave SPI Serial Interface
• Programmable Watchdog Timer with Separate 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
• I/O and Packages
• 32 Programmable I/O Lines
• 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF
• Operating Voltages
• 2.7 5.5V for ATmega16L
• 4.5 5.5V for ATmega16
• Speed Grades
• 0 8 MHz for ATmega16L
• 0 16 MHz for ATmega16

Approx. Rs 500 / PieceGet Latest Price

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• 128 bytes of EEPROM Data Memory
• Programmable pull-up resistors
• Individually select able analog channels
• ICD2 programming support or debugging support with optional header adapter
• 8 oscillator sellections including precision 4 MHz RC oscillator with programmable calibration and Power-on Reset
• Program Memory TypeFlash
• CPU Speed (MIPS)5
• RAM Bytes64
• Data EEPROM (bytes)128
• Digital Communication Peripherals1-UART,
• Timers1 x 8-bit, 1 x 16-bit
• ADC8 ch, 10-bit
• Comparators1
• Pin Count14
• Cap Touch Channels8

Approx. Rs 60 / PieceGet Latest Price

• Baseline Core with 33 Instructions, 2 Stack Levels
• All single-cycle Instructions except for program branches which are two cycles
• 12-bit wide instructions
• 8-bit wide data path
• 25 mA source/sink current I/O
• Low power (100nA) sleep current
• One 8-bit timer (TMR0)
• Watchdog timer (WDT)
• In Circuit Serial Programming(TM) (ICSP(TM)) capability
• In-Circuit debugging support
• Programmable code protection
• Program Memory Type Flash
• CPU Speed (MIPS) 1
• RAM Bytes 25
• Timers 1 x 8-bit
• Pin Count 8

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• Internally frequency compensated for unity gain
• Large dc voltage gain 100 dB
• Wide bandwidth (unity gain) 1 MHz (temperature compensated)
• Wide power supply range

• Very low supply current drain (500 A) essentially independent of supply voltage
• Low input offset voltage 2 mV
• Input common-mode voltage range includes ground
• Differential input voltage range equal to the power supply voltage
• Large output voltage swing

• Two internally compensated op amps
• Eliminates need for dual supplies
• Allows direct sensing near GND and VOUT also goes to GND
• Compatible with all forms of logic
• Power drain suitable for battery operation