Part A
ATMEGA644-20AU
マイクロチップ・テクノロジー
- Lifecycle
- Active
- Stock
- 1317 個数
- Package
- TQFP-44
- Series
- 組み込み - マイクロコントローラ
Parts at a glance
Part B
ATMEGA103-6AC
マイクロチップ・テクノロジー
- Lifecycle
- Active
- Stock
- 8770 個数
- Package
- TQFP-64
- Series
- 組み込み - マイクロコントローラ
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ATMEGA644-20AU | ATMEGA103-6AC |
|---|---|---|
| Supplier | - | Microchip Technology |
| Series | AVR® ATmega | AVR® ATmega |
| Part Status | Active | Obsolete |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20MHz | 6MHz |
| Connectivity | I²C, SPI, UART/USART | SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | POR, PWM, WDT |
| Number of I/O | 32 | 32 |
| Program Memory Size | 64KB (32K x 16) | 128KB (64K x 16) |
| Program Memory Type | FLASH | FLASH |
| EEPROM Size | 2K x 8 | 4K x 8 |
| RAM Size | 4K x 8 | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 4V ~ 5.5V |
| Data Converters | A/D 8x10b | A/D 8x10b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |