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| Place of Origin | Call |
| Brand Name | Microchip Technology |
| Certification | ROHS |
| Model Number | ATMEGA48A-AU |
ATMEGA48A-AU Datasheet| Attribute | Attribute Value |
|---|---|
| Manufacturer | Intel / Altera |
| Product Category | Microcontrollers |
| Series | AVR® ATmega |
| Product | MCU |
| Packaging | Tray Alternate Packaging |
| Unit-Weight | 0.002568 oz |
| Mounting-Style | SMD/SMT |
| Tradename | ATMEGA |
| Package-Case | 32-TQFP |
| Operating-Temperature | -40°C ~ 85°C (TA) |
| Supplier-Device-Package | 32-TQFP (7x7) |
| Number-of-I-O | 23 I/O |
| Speed | 20MHz |
| EEPROM-Size | 256 x 8 |
| Core-Processor | AVR |
| RAM-Size | 512 x 8 |
| Program Memory | FLASH |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | I2C, SPI, UART/USART |
| Voltage-Supply-Vcc-Vdd | 1.8 V ~ 5.5 V |
| Core-Size | 8-Bit |
| Program-Memory-Size | 4KB (2K x 16) |
| Data-Converters | A/D 8x10b |
| Oscillator-Type | Internal |
| Maximum Operating Temperature | + 85 C |
| Operating temperature range | - 40 C |
| Operating-Supply-Voltage | 1.8 V to 5.5 V |
| Interface-Type | SPI TWI USART |
| Core | AVR |
| Processor-Series | megaAVR |
| Data-Bus-Width | 8 bit |
| Package-Case | TQFP-32 |
| Maximum-Clock-Frequency | 20 MHz |
| Input/output | 23 I/O |
| Data-RAM-Size | 512 B |
| Number-of-Timers-Counters | 3 Timer |
| Data-RAM-Type | SRAM |
| Manufacturer Part# | Description | Manufacturer | Compare |
| ATMEGA48A-AUR Microcontrollers and Processors |
IC MCU 8BIT 4KB FLASH 32TQFP | Microchip Technology Inc | ATMEGA48A-AU vs ATMEGA48A-AUR |
| ATMEGA48A-AU Microcontrollers and Processors |
IC MCU 8BIT 4KB FLASH 32TQFP | Microchip Technology Inc | ATMEGA48A-AU vs ATMEGA48A-AU |
The ATmega48A/PA/88A/PA/168A/PA/328/P is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega48A/PA/88A/PA/168A/PA/328/P achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimizepower consumption versus processing speed.
Features
• High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller
• Advanced RISC Architecture
– 131 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 20 MIPS Throughput at 20MHz
– On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory Segments
– 4/8/16/32KBytes of In-System Self-Programmable Flash program memory
– 256/512/512/1KBytes EEPROM
– 512/1K/1K/2KBytes 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
– Programming Lock for Software Security
• Atmel® QTouch ® library support
– Capacitive touch buttons, sliders and wheels
– QTouch and QMatrix® acquisition
– Up to 64 sense channels
• Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
– Real Time Counter withSeparate Oscillator
– Six PWM Channels
– 8-channel 10-bit ADC in TQFP and QFN/MLF package Temperature Measurement
– 6-channel 10-bit ADC in PDIP Package Temperature Measurement
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Byte-oriented 2-wire Serial Interface (Philips I2C compatible)
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
• Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated 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
– 23 Programmable I/O Lines
– 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF
• Operating Voltage:
– 1.8 - 5.5V
• Temperature Range:
–-40°C to 85°C
• Speed Grade:
– 0 - 4MHz@1.8 - 5.5V, 0 - 10MHz@2.7 - 5.5.V, 0 - 20MHz @ 4.5 - 5.5V
• Power Consumption at 1MHz, 1.8V, 25°C
– Active Mode: 0.2mA
– Power-down Mode: 0.1µA
– Power-save Mode: 0.75µA(Including 32kHz RTC)
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