Kc89c72 Datasheet |top| (TOP-RATED – 2025)

: Hobbyists often pair it with an Arduino to build standalone synthesizers or "speaking clocks".

2.7V to 5.5V DC, making it highly adaptable for both battery-operated 3.3V systems and legacy 5V industrial environments.

Here is the technical bridge:

The KC89C72 operates as an LSI (Large Scale Integration) circuit designed to generate complex audio waveforms, chiptune music, and sound effects under direct processor control. Specifications / Values 40-pin Dual In-line Package (DIP-40) Operating Voltage ( VCCcap V sub cap C cap C end-sub ) +5.0V Standard TTL Compatible Input Clock Frequency 1.0 MHz to 2.0 MHz (Requires external TTL clock source) Audio Channels 3 Independent Tone Channels (Square Wave) Noise Generator 1 Pseudo-random Noise Generator channel I/O Ports Two built-in 8-bit parallel I/O ports (Port A and Port B) Control Registers 16 internal 8-bit registers Internal Functional Blocks

Typically 8KB to 16KB of on-chip, in-system programmable (ISP) Flash. kc89c72 datasheet

The KC89C72 is a device. A host processor communicates with the chip by writing data into a series of internal registers.

: The design utilizes energy-saving technologies to reduce operational costs and heat generation. Technical Parameters Manufacturer FILFACT / Samsung Product Category Memory Chips / Audio ICs Mounting Type Through-Hole RoHS Compliance Lead-free / RoHS Compliant Operating Temp Up to 70°C : Hobbyists often pair it with an Arduino

: Three independent programmable sound channels.

The KC89C72 MCU is widely used in various electronic applications due to its versatility and reliability. Some typical applications of the device include: Specifications / Values 40-pin Dual In-line Package (DIP-40)

(Envelope Period) : 16-bit value setting the complete duration or cycle speed of the envelope pattern. R13cap R 13