ATMEGA164PA-MU vs ATMEGA164P-20MU Comparison
Detailed side-by-side comparison of ATMEGA164PA-MU by Microchip Technology and ATMEGA164P-20MU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA164PA-MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164PA-MU ✓ ActiveMicrochip Technology
ATMEGA164P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA164PA-MU | ATMEGA164P-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 16 KB (8K x 16) ISP Flash | — |
| EEPROM | 512 B | — |
| SRAM | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O Lines | 32 | — |
| Timers/Counters | 3 (with compare modes and PWM) | 3 (with compare modes and PWM) |
| USART Channels | 2 | — |
| Two-Wire Interface (I2C) | Yes, byte-oriented TWI | — |
| ADC | 8-channel, 10-bit | 8-channel 10-bit |
| Instructions | 133, most single-cycle | 133 (advanced RISC, mostly single-cycle) |
| Low Power Technology | picoPower | picoPower |
| Package | 44-VQFN (7x7 mm) | 44-VQFN (7x7 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Programmability | In-System Programmable (ISP), read-while-write | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB SRAM |
| Number of I/O | — | 32 |
| Communication Interfaces | — | 2x USART, TWI (I2C), SPI |
| RTC | — | Yes (real-time counter) |
| Programming | — | ISP (In-System Programming), read-while-write |