TWR-K21D50M Freescale Semiconductor, TWR-K21D50M Datasheet - Page 3

• Manufacturer Part Number: TWR-K21D50M
• Description: Development Boards & Kits - ARM
• Manufacturer: Freescale Semiconductor

Specifications of TWR-K21D50M

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: MK21DN512VMC5
• Core: ARM Cortex M4
• Interface Type: USB
• Operating Supply Voltage: 1.8 V/3.3 V
• Description/function: TWR-K21D50M MCU module is designed to work either in stand-alone mode or as part of the Freescale Tower System
• For Use With: Freescale Tower Systems

The TWR-K21D50M microcontroller module is designed to work either in standalone mode or as part of the Freescale
Tower System, a modular development platform that enables rapid prototyping and tool re-use through
reconfigurable hardware. Take your design to the next level and begin constructing your Tower System today by
visiting
For TWR-K21D50M-specific information and updates, visit
1 TWR-K21D50M
Primary Elevator
• Common serial and expansion bus
• Two 2x80 connectors for easy signal
• Power regulation circuitry
• Standardized signal assignments
• Mounting holes
signals
access and side-mounting board
Controller Module
• Tower MCU board
• Works stand-alone or in Tower System
• Features integrated debugging interface
www.freescale.com/tower
• Approximately 3.5” H x 3.5” W x 3.5” D
for easy programming and run control
via standard USB cable
when fully assembled
TWR-K21D50M Tower Module User’s Manual
Figure 1. Freescale Tower System Overview
for additional Tower System microcontroller modules and compatible peripherals.
Board Connectors
• Four card-edge connectors
• Uses PCI Express® connectors
(x16, 90 mm/3.5” long, 164 pin)
www.freescale.com/TWR-K21D50M
Tower Plug-In (TWRPI) Socket
• Adds features and functionality
• Can accept TWRPIs such as sensors
and radios
Peripheral Module
• Adds features and functionality
• Interchangeable with other
• Examples include serial interface,
Secondary Elevator
• Additional and secondary serial and
• Standardized serial assignments
• Mounting holes and expansion
to your designs
peripheral modules and
compatible with other
controller/processor modules
memory, Wi-Fi®, graphical LCD,
motor control, audio, Xtrinsic
sensing and high precision
analog modules
expansion bus signals
connectors for side-mounting
peripheral boards
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