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