Related Manuals for Freescale Semiconductor Kinetis TWR-K21D50M
Summary of Contents for Freescale Semiconductor Kinetis TWR-K21D50M
- Page 1 TWR-K21D50M Quick Start Guide Low-Power 32-bit ARM Cortex ® ® MCUs with High-Precision Analog, Connectivity and Security Tower System Development Board Platform...
- Page 2 Quick Start Guide Get to Know the TWR-K21D50M Board Primary OSJTAG Bootloader Connector Selection JTAG VBAT Options JM60 BDM General- Purpose Power/OSJTAG TWRPI Plug-In Micro-USB Regulator Option Selector Potentiometer RESET LEDs Micro-USB Accelerometer MK21D MCU Secondary Tamper Pins USB Switch * Connector Figure 1: Front side of TWR-K21D50M module (TWRPI devices not shown).
- Page 3 freescale.com Battery Receptacle 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.
- Page 4 Quick Start Guide TWR-K21D50M Features • MK21D MCU: • Three-axis accelerometer MK21DN512AVMC5 or (MMA8451Q) MK21DN512VMC5 (50 MHz, • Four user-controlled status LEDs 512 KB Flash, 64 KB RAM, • Push buttons for GPIO interrupts USB OTG, tamper detection, and MCU reset encryption, low power, 121 • Potentiometer MAPBGA); part number will • Independent, battery-operated depend on the Tower board power supply for...
- Page 5 freescale.com Step-by-Step Installation Instructions Configure the In this quick start guide, you will learn how to set up the TWR-K21D50M module and Hardware run the included demonstrated software. Install the included battery into the VBAT For more detailed information, review the (RTC) battery holder.
- Page 6 Quick Start Guide TWR-K21D50M Jumper Options The following is a list of all the jumper options. The default installed jumper settings are indicated by white text within the gray boxes. Jumper Option Setting Description Tamper JP1-1 through JP1-6 are connected to the MCU Tamper pins Connections TAMPER0 through TAMPER5, respectively, for active tamper detection Connect OSJTAG 5 V output (P5V_TRG_USB) to JTAG port (supports JTAG Board Power powering board from JTAG pod supporting 5 V supply output) Selection Disconnect OSJTAG 5 V output (P5V_TRG_USB) from JTAG port Connect VBAT to on-board 3.3 V or 1.8 V supply...
- Page 7 freescale.com TWR-K21D50M Jumper Options (continued) Jumper Option Setting Description Connect PTD4 to green LED (D5) Connect PTD5 to yellow LED (D6) LED Connect PTD6 to red LED (D8) Connections Connect PTD7 to blue LED (D9) Disconnect PTD[4:7] from associated LED Connect K21 USB regulator output (VOUT_3V3) to on-board supply (V_BRD) V_BRD Power Source Connect 3.3 V on-board regulator output (P3V3) to (Board Power on-board supply (V_BRD) Selector) Connect 1.8 V on-board regulator output (P1V8) to on-board supply (V_BRD) Connect PTB0 to INT1 pin of accelerometer Accelerometer Connect PTB1to INT2 pin of accelerometer Disconnect PTB0 and/or PTB1 from INT1 and/or INT2 of...
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Page 8: Get Started
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