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TOWER SYSTEM

7

Jumper

 

Option

 

Setting

 

Description

 

J2

USB power enable

ON

Connect PTC9 to USB power enable on power switch MIC2026

OFF

Disconnect PTC9 to USB power enable on power switch MIC2026

J20

USB over-current flag

ON

Connect PTC8 to over-current flag on power switch MIC2026

OFF

Disconnect PTC8 to over-current flag on power switch MIC2026

J1

Infrared transmitter 
connection

ON

Connect CMT_IRO (PTD7) to infrared transmitter D1

OFF

Disconnect CMT_IRO (PTD7) to infrared transmitter D1

J3

Infrared receiver 
connection

ON

Connect CMP0_IN1 (PTC7) to infrared receiver Q1

OFF

Disconnect CMP0_IN1 (PTC7) to infrared receiver Q1

J25

Accelerometer I

2

connection

ON

Connect PTB2 to SCL pin of accelerometer

OFF

Disconnect PTB2 to SCL pin of accelerometer

J26

Accelerometer I

2

connection

ON

Connect PTB3 to SDA pin of accelerometer 

OFF

Disconnect PTB3 to SDA pin of accelerometer

J24

Accelerometer IRQ 
connection

ON

Connect PTB0 to INT1 pin of accelerometer

OFF

Disconnect PTB0 to INT1 pin of accelerometer

J23

Accelerometer IRQ 
connection

ON

Connect PTB1 to INT2 pin of accelerometer

OFF

Disconnect PTB1 to INT2 pin of accelerometer

J27

Potentiometer 
connection

ON

Connect potentiometer to ADC1_DM0

OFF

Disconnect potentiometer to ADC1_DM0

J4

Microphone connection

ON

Connect microphone input to PTB0 (ADC0_SE8)

OFF

Disconnect microphone input to PTB0 (ADC0_SE8)

J21

Buzzer connection

ON

Connect FTM0_CH3 (PTC4) to buzzer

OFF

Disconnect FTM0_CH3 (PTC4) to buzzer

Summary of Contents for TWR-K20D72M

Page 1: ...Quick Start Guide TWR K20D72M Low Power 32 bit ARM Cortex M4 MCUs with High Precision Analog Connectivity and Scalability TOWER SYSTEM ...

Page 2: ...Red MicroUSB Connector Microphone Power OSJTAG MiniB USB Connector JTAG Connector Secondary Connector General Purpose Touch Plug In Socket TWRPI Potentiometer SW2 SW1 Touch TWRPI Socket TSI Electrodes Board Power Selector SW3 Reset Figure 1 Front side of TWR K20D72M module ...

Page 3: ...e 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 Figure 2 Back side of TWR K20D72M module Accelerometer VBAT RTC Battery Holder Buzzer ...

Page 4: ...feature evaluation Two capacitive touch pads Socket for capacitive touch pad daughter board Touch TWRPI Socket for Tower plug in TWRPI e g sensor board Three axis digital accelerometer MMA8451Q Potentiometer four LEDs push buttons infrared port and battery holder Microphone and buzzer On board debug circuit MC9S08JM60 open source JTAG OSJTAG with virtual serial port Quick Start Guide 4 ...

Page 5: ...tomatically configure the USB drivers if needed Press Touch Electrodes A different tone will beep when either electrode1 or electrode2 is pressed and the associated LED will turn on Tilt the Board The board will generate a different tone depending on the tilt angle Whistle into the Microphone The board will respond with a tone Learn More about the Kinetis 72 MHz Family Find more bare metal labs an...

Page 6: ...onnect USB 3 3V regulator output to MCU_PWR J10 JTAG board power selection ON Connect on board 5V supply to JTAG port supports powering board from JTAG pod supporting 5V supply output OFF Disconnect on board 5V supply to JTAG port J15 OSJTAG bootloader selection ON OSJTAG bootloader mode OSJTAG firmware reprogramming OFF Debugger mode J16 VREG IN selection 1 2 Regulator powered by OSJTAG 5V output...

Page 7: ... Accelerometer I2 C connection ON Connect PTB2 to SCL pin of accelerometer OFF Disconnect PTB2 to SCL pin of accelerometer J26 Accelerometer I2 C connection ON Connect PTB3 to SDA pin of accelerometer OFF Disconnect PTB3 to SDA pin of accelerometer J24 Accelerometer IRQ connection ON Connect PTB0 to INT1 pin of accelerometer OFF Disconnect PTB0 to INT1 pin of accelerometer J23 Accelerometer IRQ co...

Page 8: ... are the property of their respective owners 2012 Freescale Semiconductor Inc Doc Number TWRK20D72MQSG REV 0 Agile Number 926 27182 REV A Quick Start Guide Visit freescale com TWR K20D72M or freescale com Kinetis for the latest information on the TWR K20D72M module including Bare metal labs Software Technical documentation Support Visit freescale com support for a list of phone numbers within your...

Page 9: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Freescale Semiconductor TWR K20D72M ...

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