ATMEGA32A-AU vs ATMEGA329P-20AU 比較
詳細並排比較 ATMEGA32A-AU 由 Microchip Technology 與 ATMEGA329P-20AU 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-AU - 8-bit AVR MCU, 32KB Flash, 16MHz, TQFP-44 | Microchip
ATMEGA32A-AU ✓ 啟用中
規格比較
| 參數 | ATMEGA32A-AU | ATMEGA329P-20AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Manufacturer | Microchip Technology (formerly Atmel) | — |
| Series | AVR ATmega | — |
| Core Architecture | AVR RISC 8-bit | AVR (8-bit RISC, Harvard) |
| 最大時脈頻率 | 16 MHz | — |
| MIPS Throughput | 16 MIPS at 16 MHz | — |
| Program Memory (Flash) | 32 KB | 32 KB (16K x 16), In-System Programmable with RWW |
| SRAM | 2 KB | 2 KB (2K x 8) |
| EEPROM | 1 KB | 1 KB |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| I/O Pins | 32 programmable | — |
| ADC | 8-channel, 10-bit | 10-bit, up to 8 single-ended channels |
| Timers/Counters | Two 8-bit and one 16-bit | — |
| Communication Peripherals | USART, SPI, TWI (I2C) | 2x USART, 1x TWI (I2C), 1x SPI (also ISP) |
| Debug Interface | JTAG (IEEE 1149.1 compliant) | JTAG (IEEE 1149.1 compliant) |
| 封裝 | 44-pin TQFP (10x10 mm, 0.8 mm pitch) | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度 | -40C to +85C (industrial) | -40C to +85C (industrial, -A suffix) |
| RoHS 狀態 | Compliant (Green) | Compliant (Pb-free / Green) |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Maximum Clock Speed | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Supply Voltage (Vcc) | — | 2.7 V to 5.5 V (10 MHz max below 4.5 V; 20 MHz requires 4.5-5.5 V) |
| General-Purpose I/O Pins | — | 54 |
| General-Purpose Working Registers | — | 32 |
| PWM Channels | — | 6 |
| Power-Save Modes | — | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby (picoPower) |
| QTouch Support | — | Yes (peripheral touch controller via library) |