| Parameter | Value |
|---|---|
| UART | 1 |
| Max I/O Pins | 32 |
| Operating Voltage (Vcc) | 4.0 to 6.0 |
| Watchdog | Yes |
| SRAM (Kbytes) | 0.5 |
| Max. Operating Frequency | 24 MHz |
| CPU | 8051-12C |
| Timers | 3 |
| Flash (Kbytes) | 32 Kbytes |
| 系列 | 89C |
| 核心处理器 | 8051 |
| 芯体尺寸 | 8-Bit |
| 速度 | 24MHz |
| RAM容量 | 512 x 8 |
| 程序存储器类型 | FLASH |
| 程序存储器容量 | 32KB (32K x 8) |
| 输入/输出数 | 32 |
| 振荡器型 | Internal |
| 连通性 | SPI, UART/USART |
| 工作电压 | 4 V ~ 5.5 V |
| 工作温度 | -40°C ~ 85°C |
| 周边设备 | WDT |
Low-power, high-performance CMOS 8-bit microcontroller with 32KB of flash programmable ROM and 512 bytes of RAM.
It uses Atmel high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 and 80C52 instruction set and pinout. On-chip flash allows the program memory to be user programmed by a conventional nonvolatile memory programmer.
This versatile 8-bit CPU with flash provides a highly-flexible and cost-effective solution for many embedded control applications.
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