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IC MCU 8BIT 16KB FLASH 40PDIL
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AT89C51RB2-3CSUL Competitive Prices
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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.
Core Processor 80C51
Speed 40MHz
Operating Temperature -40℃ ~ 85℃ (TA)
Program Memory Type FLASH
RAM Size 1.25K x 8
Number of I/O 32
Peripherals POR, PWM, WDT
Mounting Type Through Hole
Oscillator Type External
Supplier Device Package 40-PDIL
Package / Case 40-DIP (0.600, 15.24mm)
Core Size 8-Bit
Connectivity SPI, UART/USART
Program Memory Size 16KB (16K x 8)
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V
Manufacturer: Microsemi Corporation
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