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| PartNumber | ATMEGA164P-B15MZ | ATMEGA164P-B15AZ | ATMEGA164P-BESMZ |
| Description | Microcontrollers - MCU 8-bit Microcontrollers - MCU 16KB FLASH AUTO 125Deg revision B | Microcontrollers - MCU 8-bit Microcontrollers - MCU 16KB FLASH AUTO 125Deg revision B | Microcontroller 8-Bit AVR RISC 16KB Flash - Bulk (Alt: ATMEGA164P-BESMZ) |
| Manufacturer | Atmel | Atmel | - |
| Product Category | Embedded - Microcontrollers | Embedded - Microcontrollers | - |
| Series | Automotive, AEC-Q100, AVRR ATmega | Automotive, AEC-Q100, AVRR ATmega | - |
| Product | MCU | MCU | - |
| Packaging | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Tradename | ATMEGA | ATMEGA | - |
| Package Case | VQFN-44 | VQFN-44 | - |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | - |
| Supplier Device Package | 44-QFN (7x7) | 44-TQFP (10x10) | - |
| Number of I O | 32 | 32 | - |
| Speed | 16MHz | 16MHz | - |
| EEPROM Size | 512 x 8 | 512 x 8 | - |
| Core Processor | AVR | AVR | - |
| RAM Size | 1K x 8 | 1K x 8 | - |
| Program Memory Type | FLASH | FLASH | - |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | - |
| Connectivity | I2C, SPI, UART/USART | I2C, SPI, UART/USART | - |
| Voltage Supply Vcc Vdd | 2.7 V ~ 5.5 V | 2.7 V ~ 5.5 V | - |
| Core Size | 8-Bit | 8-Bit | - |
| Program Memory Size | 16KB (8K x 16) | 16KB (8K x 16) | - |
| Data Converters | A/D 8x10b | A/D 8x10b | - |
| Oscillator Type | Internal | Internal | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | - |
| Core | AVR | AVR | - |
| Processor Series | megaAVR | megaAVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 10 MHz | 10 MHz | - |
| Number of ADC Channels | 8 | 8 | - |
| Number of I Os | 32 I/O | 32 I/O | - |
| Data RAM Size | 1 kB | 1 kB | - |
| Number of Timers Counters | 3 Timer | 3 Timer | - |
| ADC Resolution | 10 bit | 10 bit | - |