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STC90C516RD Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
STC90C516RDSTC1064Yes

### **STC90C516RD Manufacturer: STC** #### **Specifications:** - **Core:** 8051-compatible - **Operating Voltage:** 3.

STC90C516RD Manufacturer: STC

#### Specifications:

  • Core: 8051-compatible
  • Operating Voltage: 3.3V – 5.5V
  • Frequency: 0 – 40MHz
  • Flash Memory: 64KB (ISP/IAP programmable)
  • RAM: 1280 bytes
  • EEPROM: 2KB (optional)
  • I/O Ports: 36 (4 ports: P0, P1, P2, P3)
  • Timers/Counters: 4 (Timer 0, Timer 1, Timer 2, WDT)
  • UART: 2 (Full-duplex)
  • ADC: 8-channel 10-bit (optional)
  • PWM: 4-channel
  • Interrupts: 15 sources, 4 priority levels
  • Power Modes: Idle & Power-down
  • Package: LQFP44, PDIP40

#### Descriptions:

The STC90C516RD is an enhanced 8051-compatible microcontroller with high-speed processing, low power consumption, and extensive peripherals. It supports in-system programming (ISP) and in-application programming (IAP), making firmware updates convenient.

#### Features:

  • High-Speed 8051 Core (1T mode, 12 clocks per cycle)
  • Wide Voltage Range (3.3V – 5.5V)
  • Dual UARTs for serial communication
  • On-chip RC oscillator (adjustable)
  • Watchdog Timer (WDT)
  • Hardware SPI & I²C (software configurable)
  • Low EMI design
  • Strong anti-interference capability
  • Industrial-grade operating temperature (-40°C to +85°C)

This microcontroller is commonly used in industrial control, consumer electronics, and embedded systems.

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