CT321-PM0812GMR

Description：IC MCU 8BIT 16KB FLASH QFN
Series：-
Mfr：Silicon Labs
Package：Tape & Reel (TR)
Core Processor：-

SKU:5ce7f68b253d Category: Microcontrollers Brand: Silicon Labs

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Product introduction

Product Detailed Parameters

Description：IC MCU 8BIT 16KB FLASH QFN
Series：-
Mfr：Silicon Labs
Package：Tape & Reel (TR)
Core Processor：-
Core Size：-
Speed：-
Connectivity：-
Peripherals：-
Number of I/O：-
Program Memory Size：-
Program Memory Type：-
EEPROM Size：-
RAM Size：-
Voltage - Supply (Vcc/Vdd)：-
Data Converters：-
Oscillator Type：-
Operating Temperature：-
Mounting Type：-
Supplier Device Package：-
Package / Case：-
Grade：-
Qualification：-

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CT321-PM0812GMR

Overview

The CT321-PM0812GMR is an obsolete 8-bit microcontroller from Silicon Labs, based on the CIP-51 core. It features 16 KB of Flash program memory and 2.3 KB of data RAM. The device supports a maximum clock frequency of 25 MHz and includes a 10-bit ADC. It offers 21 I/O pins and operates within a voltage range of 2.7 V to 3.6 V. The component is housed in a QFN-28 package.

Feature Summary

Integrates a CIP-51 8051-compatible core for standard instruction set execution.
Includes built-in USB interface capabilities for communication.
Features an integrated 10-bit analog-to-digital converter.

Applications

Embedded control systems requiring 8-bit processing
USB-enabled peripheral devices
Applications utilizing analog signal acquisition via internal ADC

Procurement Notes

This specific part number (CT321-PM0812GMR) is officially listed as obsolete by Silicon Labs. Verification of current availability should be conducted through authorized distributors or secondary market suppliers. Designers must confirm end-of-life status and lead times carefully before finalizing procurement plans.

Selection Notes

Consider the C8051F321-GMR as a potential alternative within the same product family. Both components share similar core architectures and memory configurations. Evaluate pin compatibility and software migration requirements when transitioning from the obsolete CT321 variant to newer silicon revisions.

Part Context

The CT321 series belongs to Silicon Labs' C8051F microcontroller family, which combines mixed-signal capabilities with 8051 architecture. This specific model represents an earlier generation of fully integrated system-on-chip solutions designed for cost-sensitive embedded applications.