• CA251 Compiler Kit
  Keil
• DK251 Developer's Kit
  Keil

• REG251G.H
  3,419 bytes

• Lab Tool-848 Turbo Gang Programmer
  Advantech Equipment Company
• Pilot-U44-Plus
  Advin
• Pilot-U84-Plus
  Advin
• ChipMax
  Electronic Engineering Tools Inc.
• 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-11P3
  HI-LO Systems Research Co., Ltd.
• T9600
  System General
• Super Pro 680
  XELTEK

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

• Clock Prescaler with Dialog
• I²C Interface
• Interrupts 9S/4L (Including External and NMI)
• Keyboard Interrupt
• PCA Timer with Modules
• Port 0
• Port 1
• Port 2
• Port 3
• Power Saving Modes (Idle and Power Down with Recover Enable Bit)
• Serial UART (Enhanced Interface with OVR bit and Special BRG)
• SPI Interface
• SSLC (I²C + SPI)
• Timer 0
• Timer 1
• Timer 2 (Extended Timer 2)
• Watchdog Timer

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

• Keil MON251 Driver
  Keil