ATMEGA329P-20ANR vs ATMEGA329P-20AN 对比
详细并排对比 ATMEGA329P-20ANR 出自 Microchip Technology 和 ATMEGA329P-20AN 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
ATMEGA329P-20ANR - 8-bit AVR MCU 32KB Flash 20MHz 64-TQFP | Microchip
ATMEGA329P-20ANR ✓ 量产中Microchip Technology
ATMEGA329P-20AN - 8-bit AVR MCU 32KB Flash 64-TQFP | Microchip
ATMEGA329P-20AN ✓ 量产中规格对比
| 参数 | ATMEGA329P-20ANR | ATMEGA329P-20AN |
|---|---|---|
| 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） | $4.30 | $2.95 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Program Memory Type | Flash (In-System Programmable) | — |
| Program Memory Size | 32 KB (16K x 16) | — |
| SRAM Size | 2 KB | — |
| EEPROM Size | 1 KB | — |
| Maximum CPU Speed | 20 MHz | 20 MHz (20 MIPS) |
| MIPS Throughput | 16 MIPS (up to 20 MHz) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| 工作温度范围 | -40 C to +105 C | — |
| Number of I/O Pins | 54 | [DATA_NEEDED: total I/O pin count] |
| Number of General-Purpose Registers | 32 | — |
| ADC | 8-channel, 10-bit | [DATA_NEEDED: ADC channels and resolution] |
| Timers/Counters | Two 8-bit, One 16-bit | 4 (with compare modes, PWM) |
| Communication Interfaces | USART, SPI (Master/Slave), TWI (I2C) | SPI, UART/USART, USI |
| Debug Interface | JTAG | — |
| 封装 | 64-TQFP (14x14 mm) | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| Lead-Free / RoHS | Compliant | — |
| Program Memory (Flash) | — | 32 KB |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Supply Voltage (Vcc) | — | 2.7 V to 5.5 V |
| 工作温度 | — | -40C to +105C |
| LCD Controller | — | Integrated (supports up to 4x25 segments) |
| Instruction Set | — | 131 instructions, most single-cycle |
| Power-Saving Modes | — | 6 software-selectable modes |
| In-System Programming | — | Yes (SPI-based ISP) |
| RoHS 状态 | — | Compliant (Green) |