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The CORERIVER GC81L581A0 is a High-speed 8051 MCU with up to 100MHz System Clock, with 30KBytes Mask ROM, 16KBytes XRAM, 256Bytes RAM, up to 16 interrupts with four/two priority levels, up to 21 I/O ports, 3 16-Bit Timer/Counters, 27-bit watchdog timer, 2 full duplex UARTs, PWM unit with up to 6 channels, 10-Bit ADC-Unit with 21-Channels, On-Chip peripherals: 2K EPROM, Low voltage detector, PLL, Ring oscillator, and debugging engine.


Development Tools
Compiler, Assembler, Linker, Debugger
Data Sheets
MiDAS3.0 Brief Manual
1,081,800 bytes
MiDAS3.0 Datasheet
1,275,344 bytes

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Header Files
Real-Time OS
Simulated Features

The following on-chip peripherals are simulated by the Keil Software µVision Debugger.

  • High-Speed 8051 Core (3-times accelerated)
  • I²C Interface
  • Interrupts 7S/4L (Including External) with TRAP
  • Port 0
  • Port 1
  • Port 2
  • Port 3
  • Power Saving Modes (Idle and Power Down)
  • Serial UART (Enhanced Interface)
  • Timer0
  • Timer1

The following on-chip peripherals are not simulated.

  • I2C Interface
  • JTAG Emulation Interface
  • PWM
  • SPI (Serial Peripheral Interface)
  • Timer2 (Extended Timer 2)
AGSI Drivers

The following AGSI Drivers are available for the Keil Software µVision Simulator.

AGDI Drivers

The following AGDI Drivers are available for the Keil Software µVision Debugger.

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