ATMEGA164A-MCHR vs ATMEGA1284P-MUR Comparison
Detailed side-by-side comparison of ATMEGA164A-MCHR by Microchip Technology and ATMEGA1284P-MUR 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
ATMEGA164A-MCHR
ATMEGA164A-MCHR - 8-bit AVR MCU 16KB Flash 20MHz QFN-44 | Microchip
ATMEGA164A-MCHR β ActiveMicrochip Technology
ATMEGA1284P-MUR
ATMEGA1284P-MUR - 8-bit AVR MCU 20MHz 128KB Flash | Microchip
ATMEGA1284P-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA164A-MCHR | ATMEGA1284P-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.01 | $0.00 |
| Core Architecture | AVR 8-bit RISC | β |
| Maximum Clock Frequency | 20 MHz | β |
| Flash Memory | 16 KB (8K x 16) ISP Flash | β |
| EEPROM | 512 B | 4 KB |
| SRAM | 1 KB | 16 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 32 I/O lines | β |
| General Purpose Working Registers | 32 registers | β |
| Instruction Set | 133 instructions, mostly single-cycle | β |
| Throughput | Up to 1 MIPS per MHz | Up to 20 MIPS at 20 MHz |
| Package | 44-QFN (MLF) 5x5 mm | 44-VQFN (7x7 mm), exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature (Max) | 85 C | β |
| Packaging | Tape and Reel (R suffix) | β |
| Programming | In-System Programmable (ISP), read-while-write | β |
| Debug Interface | In-Circuit Debug via MPLAB SNAP (ICSP) | β |
| Lifecycle Status | Active | β |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | β |
| Core | β | AVR 8-bit RISC |
| Max Clock Frequency | β | 20 MHz |
| Flash Program Memory | β | 128 KB (64K x 16), In-System Programmable |
| General Purpose I/O Lines | β | 32 |
| USARTs | β | 2 |
| Timer/Counters | β | 3 (with compare modes and PWM) |
| ADC | β | 8-channel, 10-bit |
| Serial Interfaces | β | TWI (I2C, byte-oriented), SPI, 2x USART |
| Real Time Counter | β | Yes (RTC) |
| Working Registers | β | 32 x 8 general purpose |
| Instructions | β | 131 instructions, most single-cycle |
| Multiplier | β | On-chip 2-cycle hardware multiplier |
| Debug / Programming | β | ISP (In-Circuit Serial Programming), JTAG |
| Life Cycle Stage | β | Active |