NXP (founded by Philips) 8xC51MC2

• PK51 Professional Developer's Kit
  Keil

• 21. phyCORE-87C51Mx2 System on Module (SOM)
  Phytec

• REG51M.H
  3,955 bytes

• 8051 /INT0 External Interrupt Example Program
• 8051 Bit I/O Example Program
• 8051 Counter 0 Example Program
• 8051 Port I/O Example Program
• 8051 Pulse Width Measurement Example
• 8051 Timer 0 Mode 1 Example Program
• 8051 Timer 1 Mode 2 Example Program
• Interrupt-Driven Serial I/O Support for printf
• ISR-Driven Serial I/O V2

• Ultra-51
  Ashling
• Ultra-51MX
  Ashling
• DProbeHS with DTrace16 or DBox16
  Hitex
• iC1000 PowerEmulator
  iSystem
• MetaICE-XF 8051 In-Circuit Emulator
  Metalink Corporation
• EMUL51-PC
  Nohau Corporation

• Dataman 40Pro Universal ISP Programmer
  Dataman Programmers Ltd.
• Dataman 48UXP Universal Programmer
  Dataman Programmers Ltd.
• Dataman T51Pro MCS51 / AVR ISP Programmer
  Dataman Programmers Ltd.
• FlashMax
  Electronic Engineering Tools Inc.
• MultiMax 8G/16G
  Electronic Engineering Tools Inc.
• TopMax
  Electronic Engineering Tools Inc.
• TopMax 8-Gang
  Electronic Engineering Tools Inc.
• SmartProg2
  ELNEC
• T51Prog
  ELNEC
• ALL Gang-08P3
  HI-LO Systems Research Co., Ltd.
• ALL-11P2
  HI-LO Systems Research Co., Ltd.
• All-11P3
  HI-LO Systems Research Co., Ltd.
• ALL-Gang-08P2
  HI-LO Systems Research Co., Ltd.
• PRO-201
  HI-LO Systems Research Co., Ltd.
• PRO-204
  HI-LO Systems Research Co., Ltd.
• PRO-208
  HI-LO Systems Research Co., Ltd.
• Super Pro 2000
  XELTEK
• Super Pro 280
  XELTEK
• Super Pro 580
  XELTEK
• Super Pro 680
  XELTEK
• Super Pro LX
  XELTEK
• Super Pro Z
  XELTEK

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

• 6 Clocks per Machine Cycle
• Interrupts 10S/4L (Including External)
• PCA Timer with Modules
• Port 0
• Port 1
• Port 2
• Port 3
• Port 4 (2-bit)
• Power Saving Modes (Idle and Power Down)
• Serial UART 0 (Enhanced Interface with S0STAT and Special BRG)
• Serial UART 1 (Enhanced Interface with S1STAT and Special BRG without T1 or T2)
• SPI (Serial Peripheral Interface)
• Timer 0
• Timer 1
• Timer 2 (Extended Timer 2 with PWM Mode)
• Watchdog Timer

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

• Proteus VSM
  Labcenter Electronics
• 8051 State Machine
  MEBA
• I²C Simulation
  MEBA
• LCD Simulation (HD44780 Controller)
  MEBA
• LED simulation
  MEBA
• Signal Generator
  MEBA

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

• Keil MON51/FlashMON Driver
  Keil