ATMEGA32A-AN vs ATMEGA644A-AU 比較
詳細並排比較 ATMEGA32A-AN 由 Microchip Technology 與 ATMEGA644A-AU 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
ATMEGA32A-AN - 8-bit AVR MCU, 32KB Flash, 16MHz, 44-TQFP | Microchip
ATMEGA32A-AN ✓ 啟用中規格比較
| 參數 | ATMEGA32A-AN | ATMEGA644A-AU |
|---|---|---|
| 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 enhanced RISC | 8-bit AVR enhanced RISC |
| Program Memory (Flash) | 32 KB | — |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Maximum CPU Clock | 16 MHz | — |
| Supply Voltage (Vcc) | 4.5 V to 5.5 V | — |
| I/O Pins | 32 | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Timer/Counters | Two 8-bit + one 16-bit | 3 (with compare modes and PWM) |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Debug Interface | JTAG (IEEE 1149.1 compliant OCD) | — |
| Brown-Out Detector | Yes, programmable threshold | — |
| Watchdog Timer | Yes, with internal oscillator | — |
| 工作溫度範圍 | -40 C to +105 C (industrial) | — |
| 封裝 | 44-pin TQFP, 10x10 mm, 0.8 mm pitch | 44-TQFP (10x10 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | MSL3 (per JEDEC J-STD-020) | — |
| RoHS 狀態 | Compliant | — |
| Lead-Free | Yes | — |
| AEC-Q100 Automotive | Not qualified | — |
| Program Memory Size | — | 64 KB Flash (32K x 16) |
| Program Memory Type | — | ISP FLASH with Read-While-Write |
| Maximum CPU Speed | — | 20 MHz (20 MIPS) |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| General Purpose I/O | — | 32 lines |
| Working Registers | — | 32 general purpose registers |
| USART | — | 2 |
| Serial Interfaces | — | TWI (2-wire, I2C-compatible), SPI |
| Real Time Counter | — | Yes (RTC) |
| 工作溫度 | — | -40C to +85C (Industrial) |
| Device Series | — | ATmega644A |