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DS87C550-QNL from DALLAS,MAXIM - Dallas Semiconductor

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DS87C550-QNL

Manufacturer: DALLAS

EPROM High-Speed Micro with A/D and PWM

Partnumber Manufacturer Quantity Availability
DS87C550-QNL,DS87C550QNL DALLAS 19 In Stock

Description and Introduction

EPROM High-Speed Micro with A/D and PWM The DS87C550-QNL is a high-speed microcontroller manufactured by DALLAS (now part of Maxim Integrated). Below are its key specifications:

1. **Architecture**: 80C52-compatible 8-bit microcontroller.
2. **Clock Speed**: Up to 33 MHz.
3. **Memory**:
   - 16 KB of ROM (OTP - One-Time Programmable).
   - 1 KB of on-chip RAM.
4. **Timers/Counters**: Three 16-bit timers/counters.
5. **Serial Communication**:
   - Full-duplex UART.
   - SPI (Serial Peripheral Interface).
6. **I/O Ports**: 32 programmable I/O lines.
7. **Interrupts**: Seven interrupt sources with four priority levels.
8. **Power Supply**: Operates at 5V ±10%.
9. **Package**: 44-pin PLCC (Plastic Leaded Chip Carrier).
10. **Operating Temperature**: Commercial range (0°C to +70°C).
11. **Special Features**:
    - Built-in watchdog timer.
    - Power-fail reset.
    - Dual data pointers for faster data movement.

This microcontroller is designed for embedded applications requiring high-speed processing and reliable performance.

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