• CA51 Compiler Kit
  Keil
• PK51 Professional Developer's Kit
  Keil

• MCBx51
  Keil
• BRUTE52P
  Micromint, Inc.
• NMIY-0031
  New Micros, Inc. (NMI)
• R-51SD
  Rigel Corporation
• R-51SP
  Rigel Corporation

• REG51F.H
  2,974 bytes

• 8051 /INT0 External Interrupt Example Program
• 8051 Bit I/O Example Program
• 8051 Counter 0 Example Program
• 8051 Memory Write 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
• 8051Fx Idle Mode Example Program
• 8051Fx Timer 2 Example Program
• 8051Fx Watchdog Example Program
• Interrupt-Driven Serial I/O Support for printf
• ISR-Driven Serial I/O V2

• Ultra-51
  Ashling
• DS-51
  Ceibo
• MX51, AX51
  Hitex
• MetaICE-XF 8051 In-Circuit Emulator
  Metalink Corporation
• EMUL51-PC
  Nohau Corporation
• ADM-51
  Signum Systems

• WinBurn
  Microware Technology

• Pilot-U44-Plus
  Advin
• Pilot-U84-Plus
  Advin
• MP-51
  Ceibo
• MP-UNIV
  Ceibo
• Dataman 48UXP Universal 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.
• 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.
• Model 1881 XP
  Minato Electronics, Inc.

• RTX51
  Keil
• RTX51 Tiny
  Keil

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

• Interrupts 7S/4L (Including External)
• PCA Timer with Modules
• Port 0
• Port 1
• Port 2
• Port 3
• Power Saving Modes (Idle and Power Down)
• Serial UART (Enhanced Interface)
• Timer 0
• Timer 1
• Timer 2 (Extended Timer 2)

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 ISD51 Driver
  Keil
• Keil MON51/FlashMON Driver
  Keil