MCU-8051 microcontroller-

AT89C51RB2-RLRIL

brand：Microchip Atmel

Description：IC MCU FLASH 8051 16K 3V 44-VQFP

Packaging：Cut Tape (CT)

Packaging：44-TQFP, 44-VQFP

Lead-free status/ROHS： Yes

Category：8051 microcontroller

Seller：科通芯城自营

Parameter	Value
系列	89C
核心处理器	8051
芯体尺寸	8-Bit
速度	40MHz
RAM容量	1.25K x 8
程序存储器类型	FLASH
程序存储器容量	16KB (16K x 8)
输入/输出数	32
振荡器型	External
连通性	SPI, UART/USART
工作电压	2.7 V ~ 3.6 V
工作温度	-40°C ~ 85°C
周边设备	POR, PWM, WDT

High-performance, 8-bit microcontroller with 16KB flash. It retains all features of the 80C52 with 256 Bytes of internal RAM, a 9-source 4-level interrupt controller, and three timer/counters. It features a programmable counter array, an XRAM of 1024 bytes, hardware watchdog timer, keyboard interface, SPI interface, versatile serial channel that facilitates multiprocessor communication (EUART), and a speed improvement mechanism (X2 mode). Implementing an external brown-out is recommended to prevent any flash/EEPROM corruption during power-on or power-off.

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