ATMEGA640-16CU vs ATMEGA1280-16CU 对比
详细并排对比 ATMEGA640-16CU 出自 Microchip Technology 和 ATMEGA1280-16CU 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA640-16CU - 8-bit AVR MCU 16MHz 64KB CBGA-100 | Microchip
ATMEGA640-16CU ✓ 量产中Microchip Technology
ATMEGA1280-16CU - 8-bit AVR MCU 128KB Flash 16MHz CBGA-100 | Microchip
ATMEGA1280-16CU ✓ 量产中规格对比
| 参数 | ATMEGA640-16CU | ATMEGA1280-16CU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $8.61 | $12.90 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| 最大时钟频率 | 16 MHz | 16 MHz |
| Program Memory Size (FLASH) | 64KB (32K x 16) | — |
| Program Memory Type | In-System Programmable FLASH | — |
| SRAM Size | 8KB | — |
| EEPROM Size | 4KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| I/O Ports / Lines | 53 I/O | — |
| Number of USARTs | 4 | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8/16-channel (per datasheet family description) | — |
| Serial Interfaces | SPI, 2-wire (I2C-compatible TWI), USART | 4x USART, SPI (Master/Slave), 2-wire serial (TWI) |
| Watchdog Timer | Programmable, separate on-chip oscillator | Programmable, separate on-chip oscillator |
| Analog Comparator | On-chip | — |
| 封装 | 100-CBGA (9x9 mm) | 100-CBGA (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount (BGA reflow) |
| 工作温度 | Industrial temperature range (-40C to +85C) | [DATA_NEEDED: operating temperature range] |
| 数据总线宽度 | 8 Bit | 8 bit |
| RoHS / Green Status | Green package | — |
| Debug / Programming | ICSP via 2 I/O pins plus reset (MPLAB SNAP compatible) | — |
| Flash Memory | — | 128KB (64K x 16) In-System Programmable |
| SRAM | — | 8KB |
| EEPROM | — | 4KB |
| General Purpose I/O Lines | — | 86 |
| ADC | — | 8/16-channel, 10-bit |
| USART | — | 4 (ATmega1280 configuration) |
| Timers | — | [DATA_NEEDED: timer count and resolution detail] |
| Instructions | — | 133 powerful instructions, most single-cycle |
| Lifecycle Stage | — | ACTIVE |
| RoHS 状态 | — | [DATA_NEEDED: RoHS compliance status] |