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AT89C51RB2-3CSUM from ATMEL

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AT89C51RB2-3CSUM

Manufacturer: ATMEL

8-bit Microcontroller with 16K/ 32K Bytes Flash

Partnumber Manufacturer Quantity Availability
AT89C51RB2-3CSUM,AT89C51RB23CSUM ATMEL 20 In Stock

Description and Introduction

8-bit Microcontroller with 16K/ 32K Bytes Flash The AT89C51RB2-3CSUM is a microcontroller manufactured by ATMEL (now part of Microchip Technology). Here are its key specifications:

1. **Core**: 8-bit 8051 architecture.
2. **Flash Memory**: 16 KB, reprogrammable.
3. **RAM**: 512 bytes.
4. **EEPROM**: 2 KB.
5. **Clock Speed**: Up to 33 MHz.
6. **Operating Voltage**: 4.0V to 5.5V.
7. **I/O Pins**: 32 programmable.
8. **Timers/Counters**: Three 16-bit timers.
9. **UART**: One full-duplex serial port.
10. **Interrupts**: 7 sources with 4 priority levels.
11. **Watchdog Timer**: Built-in.
12. **Power Saving Modes**: Idle and Power-down modes.
13. **Package**: 40-pin PDIP, 44-pin PLCC, or 44-pin TQFP.
14. **Temperature Range**: Commercial (0°C to +70°C).
15. **Special Features**: In-system programming (ISP) via UART.

This information is based on the AT89C51RB2 datasheet from ATMEL.

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