ATMEGA48-20AI vs ATMEGA48-20AU 比較
詳細並排比較 ATMEGA48-20AI 由 Microchip Technology 與 ATMEGA48-20AU 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
ATMEGA48-20AI - 8-bit AVR MCU, 4KB Flash, 20MHz | Microchip
ATMEGA48-20AI ✓ 啟用中規格比較
| 參數 | ATMEGA48-20AI | ATMEGA48-20AU |
|---|---|---|
| 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 | 8-bit AVR RISC (enhanced) |
| Flash Program Memory | 4 KB (2K x 16), ISP self-programming | — |
| SRAM | 512 B | 512 B |
| EEPROM | 256 B | 256 B |
| Maximum CPU Speed | 20 MHz (up to 20 MIPS) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| GPIO Count | 23 general purpose I/O lines | — |
| ADC | 8-channel, 10-bit | 6-channel, 10-bit |
| Timer/Counters | 3 (two 8-bit, one 16-bit) | 3 (2x 8-bit, 1x 16-bit) |
| Serial Interfaces | SPI, TWI (I2C-compatible), USART | — |
| On-Chip Debug | debugWIRE | — |
| 工作溫度 | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| 封裝 | 32-TQFP, 7x7 mm, square, gull-wing leads | 32-pin TQFP (7x7 mm, 0.8 mm pitch) |
| 安裝類型 | Surface Mount | — |
| Temperature Grade | Industrial | — |
| RoHS 狀態 | Green (per distributor data) | Compliant |
| Program Memory (Flash) | — | 4 KB (2K x 16) |
| Maximum CPU Frequency | — | 20 MHz |
| Throughput | — | Up to 20 MIPS |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 23 |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| On-chip Debug | — | debugWIRE |
| In-System Programming | — | Yes (SPI) |
| Sleep Modes | — | 6 (Idle, ADC NR, Power-save, Power-down, Standby, Ext Standby) |
| Watchdog Timer | — | Programmable, with on-chip oscillator |