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AT89C51ID2
4289C–8051–11/05
The AT89C51ID2 retains all features of the Atmel 80C52 with 256 bytes of internal
RAM, a 10-source 4-level interrupt controller and three timer/counters.
In addition, the AT89C51ID2 has a Programmable Counter Array, an XRAM of 1792
bytes, a Hardware Watchdog Timer, SPI and Keyboard, a more versatile serial channel
that facilitates multiprocessor communication (EUART) and a speed improvement
mechanism (X2 mode).
The fully static design of the AT89C51ID2 allows to reduce system power consumption
by bringing the clock frequency down to any value, even DC, without loss of data.
The AT89C51ID2 has 2 software-selectable modes of reduced activity and 8-bit clock
prescaler for further reduction in power consumption. In the Idle mode the CPU is frozen
while the peripherals and the interrupt system are still operating. In the power-down
mode the RAM is saved and all other functions are inoperative.
The added features of the AT89C51ID2 make it more powerful for applications that need
pulse width modulation, high speed I/O and counting capabilities such as alarms, motor
control, corded phones, smart card readers.
Table 1. Memory Size and I/O pins
AT89C51ID2
Flash (bytes)
XRAM (bytes)
TOTAL RAM
(bytes)
I/O
PLCC44/VQFP44
64K
1792
2048
34
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相关代理商/技术参数
AT89C51ID2-RLTUM
功能描述:8位微控制器 -MCU C51ID2 64K FLASH 32KHz 3-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
AT89C51ID2-SLRIM
功能描述:IC MCU FLASH 8051 64K 5V 44-PLCC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:89C 标准包装:1,500 系列:AVR® ATtiny 核心处理器:AVR 芯体尺寸:8-位 速度:16MHz 连通性:I²C，LIN，SPI，UART/USART，USI 外围设备:欠压检测/复位，POR，PWM，温度传感器，WDT 输入/输出数:16 程序存储器容量:8KB（4K x 16） 程序存储器类型:闪存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 11x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:带卷 (TR)
AT89C51ID2-SLRUM
功能描述:8位微控制器 -MCU C51ID2 64K FLASH TWI 32KHz 5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
AT89C51ID2-SLSIM
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51ID2-SLSUM
功能描述:8位微控制器 -MCU 64K FLASH 32KHz 3.5-5V Ind. RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
AT89C51ID2-SMSIM
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51ID2-UM
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51RB2
制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with 16K/ 32K Bytes Flash