ATMEGA324A-AU vs ATMEGA324P-20AUR 比較
詳細並排比較 ATMEGA324A-AU 由 Microchip Technology 與 ATMEGA324P-20AUR 由 Microchip Technology. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Microchip Technology
ATMEGA324A-AU - AVR MCU 32KB Flash 20MHz TQFP-44 | Microchip
ATMEGA324A-AU ✓ 啟用中規格比較
| 參數 | ATMEGA324A-AU | ATMEGA324P-20AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 32 KB (ISP, read-while-write) | — |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Maximum CPU Frequency | 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V (speed-grade dependent) | — |
| General Purpose I/O | 32 lines | — |
| General Purpose Working Registers | 32 | 32 |
| Instructions | 131 (most single-cycle) | — |
| Timers/Counters | 3 | — |
| Real Time Counter | Yes | Yes, with separate oscillator |
| Serial Interfaces | USART, SPI, 2-Wire (I2C/TWI) | SPI master/slave, byte-oriented TWI (I2C) |
| In-System Programming | Yes (ISP) | — |
| Package Type | TQFP-44, 10 x 10 mm, 1 mm height, 0.8 mm pitch | — |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度 | -40C to +85C (Industrial) | — |
| Life Cycle Stage | Active | — |
| RoHS 狀態 | Compliant | Compliant |
| Program Memory Size | — | 32 KB ISP Flash (16K x 16) |
| 最大時脈頻率 | — | 20 MHz |
| Operating Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O Lines | — | 32 |
| Instruction Set | — | 131 powerful instructions, most single-clock cycle |
| 封裝 | — | 44-pin TQFP (10 x 10 mm, 0.80 mm pitch) |
| 工作溫度範圍 | — | -40C to +85C (industrial) |
| ADC | — | 8-channel 10-bit successive approximation |
| USART Interfaces | — | 2 |
| Timer/Counters | — | Three flexible timer/counters with compare modes and PWM |
| Flash Endurance | — | 10,000 write/erase cycles |
| EEPROM Endurance | — | 100,000 write/erase cycles |
| Programming Interfaces | — | SPI, JTAG, bootloader (ISP) |