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IS32CS8977 - MCU

General Description

CS8977 is a general-purpose MCU with 64KB Code e-Flash memory with ECC and 2KB SRAM with ECC.

The embedded flash for code storage has a built-in ECC that corrects one-bit errors and detects two-bit errors.

Key Features

  • CPU and Memory.
  • Up to 32MHz 1-Cycle 8051 CPU core.
  • 16-bit Timers T0/T1/T2/T3/T4 and 24-bit Timer T5.
  • Checksum and CRC accelerator.
  • WDT1 by SYSCLK, WDT2/WDT3 by SOSC32KHz.
  • Clock fault monitoring.
  • All GPIO pins can be assigned to two external ­ Trigger interrupt and ADC conversion.
  • 16 CH 8-bit PWM left/right alignment.
  • One 16-bit Timer/Capture and One 16-bit quadrature decoder.
  • Buzzer/Melody generator.
  • One I2C Master.
  • One I2C Slave.

📥 Download Datasheet

Datasheet Details

Part number IS32CS8977
Manufacturer Lumissil
File Size 1.92 MB
Description MCU
Datasheet download datasheet IS32CS8977 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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IS32CS8977 MCU with 2KB SRAM and 64KB ECC E-Flash GENERAL DESCRIPTION CS8977 is a general-purpose MCU with 64KB Code e-Flash memory with ECC and 2KB SRAM with ECC. The embedded flash for code storage has a built-in ECC that corrects one-bit errors and detects two-bit errors. CPU accesses the e-Flash through program address read and through Flash Controller which can perform software read/write operations of e-Flash. CS8977 has a 1-T 8051 with enhanced multiplication and division accelerator. There are three clock sources for the system. One is a 16MHz/32MHz IOSC (manufacturer calibration+/- 2%), another is XCLK, and the other one is SOSC32KHz (typical 32KHz) which is divided by the slow oscillator.