This document is the user guide for HCS12 microcontroller MC9S12K family devices, covering MC9S12KT256, MC9S12KG256, MC9S12KG128, MC9S12KL128, MC9S12KC128, MC9S12KG64, MC9S12KL64, MC9S12KC64, and MC9S12KG32. The document describes the features and characteristics of the products.
This guide covers the MC9S12K family of 8‑bit microcontrollers, including MC9S12KT256, MC9S12KG256, MC9S12KG128, MC9S12KL128, MC9S12KC128, MC9S12KG64, MC9S12KL64, MC9S12KC64 and MC9S12KG32. It is intended for system and software implementers who need to understand the device architecture, pin functions, and programming details.
The document is organized into sections such as Introduction, Signal Description, System Clock Description, Modes of Operation, Resets and Interrupts, core block descriptions, peripheral block descriptions (ATD, PWM, SCI, SPI, etc.), electrical characteristics, and package information. Appendices provide detailed electrical ratings and package options.
| Power supply pins for I/O drivers | VDDX, VSSX |
|---|---|
| Power supply pins for internal logic | VDD1, VDD2, VSS1, VSS2 |
| Power supply pins for ATD and VREG | VDDA, VSSA |
| ATD reference voltage input pins | VRH, VRL |
| Supported devices | MC9S12KT256, MC9S12KG256, MC9S12KG128, MC9S12KL128, MC9S12KC128, MC9S12KG64, MC9S12KL64, MC9S12KC64, MC9S12KG32 |
The guide covers the MC9S12KT256, MC9S12KG256, MC9S12KG128, MC9S12KL128, MC9S12KC128, MC9S12KG64, MC9S12KL64, MC9S12KC64 and MC9S12KG32 devices.
The latest revision (Version 01.09) was released on 9 September 2004.