ATMEGA329P-20AN vs ATMEGA329P-20AU 比較
詳細並排比較 ATMEGA329P-20AN 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
ATMEGA329P-20AN - 8-bit AVR MCU 32KB Flash 64-TQFP | Microchip
ATMEGA329P-20AN ✓ 啟用中規格比較
| 參數 | ATMEGA329P-20AN | ATMEGA329P-20AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | AVR 8-bit RISC | AVR (8-bit RISC, Harvard) |
| 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 |
| Maximum CPU Speed | 20 MHz (20 MIPS) | — |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | 2.7 V to 5.5 V (10 MHz max below 4.5 V; 20 MHz requires 4.5-5.5 V) |
| 工作溫度 | -40C to +105C | -40C to +85C (industrial, -A suffix) |
| 封裝 | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| Number of I/O Pins | [DATA_NEEDED: total I/O pin count] | — |
| Communication Interfaces | SPI, UART/USART, USI | — |
| LCD Controller | Integrated (supports up to 4x25 segments) | — |
| Timers/Counters | 4 (with compare modes, PWM) | — |
| ADC | [DATA_NEEDED: ADC channels and resolution] | 10-bit, up to 8 single-ended channels |
| Instruction Set | 131 instructions, most single-cycle | 131 instructions, mostly single-cycle |
| Power-Saving Modes | 6 software-selectable modes | — |
| In-System Programming | Yes (SPI-based ISP) | — |
| RoHS 狀態 | Compliant (Green) | Compliant (Pb-free / Green) |
| 安裝類型 | Surface Mount | Surface Mount |
| Maximum Clock Speed | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| General-Purpose I/O Pins | — | 54 |
| General-Purpose Working Registers | — | 32 |
| PWM Channels | — | 6 |
| Communication Peripherals | — | 2x USART, 1x TWI (I2C), 1x SPI (also ISP) |
| Debug Interface | — | JTAG (IEEE 1149.1 compliant) |
| Power-Save Modes | — | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby (picoPower) |
| QTouch Support | — | Yes (peripheral touch controller via library) |