Kc89c72 Datasheet [top] < Free Forever >

8-bit CPU-compatible interface with 16 internal registers.

Table: Special Function Registers specific to Kc89c72 Kc89c72 Datasheet

The most unique aspect of the Kc89c72 is its . Standard 8051 cores have a 16-bit program counter, limiting direct addressing to 64KB. To accommodate 72KB, the Kc89c72 uses a bank switching scheme: 8-bit CPU-compatible interface with 16 internal registers

: If you can provide a clear photo of the chip top markings and any PCB silkscreen labels, I can help identify the manufacturer or point you to the correct datasheet. Otherwise, assume it’s an obsolete or clone 8051 microcontroller, and you might use a generic 80C52 datasheet (like AT89C52) as a starting reference, but verify pinout and programming compatibility first. Kc89c72 Datasheet