Freescale Semiconductor TWR-K21D50M Quick Start Guide

Quick Start Guide

TWR-K21D50M

Low-Power 32-bit ARM® Cortex™-M4 MCUs
with High-Precision Analog, Connectivity
and Security

TOWER SYSTEM

Quick Start Guide

Get to Know the TWR-K21D50M

Power/OSJTAG

Micro-USB

Regulator

Option

Selector

RESET

K21

Micro-USB

2

JM60 BDMVBAT OptionsJTAG

Figure 1: Front side of TWR-K21D50M module (TWRPI devices not shown).

JM60 Bootloader
Enable

Tamper Pins

General­Purpose
TWRPI Plug-In

Potentiometer

LEDs

Accelerometer

SW3

SW2

Battery

Receptacle

TOWER SYSTEM

TWR-K21D50M

Freescale Tower System

The TWR-K21D50M MCU module is designed to work either in stand-alone
mode or as part of the Freescale Tower System, a modular development platform
that enables rapid prototyping and tool re-use through reconfigurable hardware.
Begin constructing your Tower System today by visiting freescale.com/Tower for
additional Tower System MCU modules and compatible peripherals.

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