tower system quick start guide for TWR-K40X256 TWR-K40X256 low-power mcu with usb and segment lcd
tower system TWR-K40X256 the TWR-K40X256 microcontroller module is 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 freescale.com/tower for additional tower system microcontroller modules and compatible peripherals. get to know the TWR-K40X256 primary connector infra-red general purpose tower plug-in (twrpi) socket sw5 (reset) power/osjtag mini-b usb connector secondary connector sw3 sw4 touch/slcd twrpi socket led/touch buttons e1Ce4 mk40x256 vmd100 microcontroller mma7660 accelerometer figure 1: front side of TWR-K40X256 module not including twrpi.
tower system quick start guide for TWR-K40X256 sd card socket vbat (rtc) battery holder potentiometer figure 2: front side of TWR-K40X256 module with twrpi-slcd attached. figure 3: back side of TWR-K40X256 module.
tower system install the software and tools install the p&e micro kinetis tower toolkit to install the osjtag and usb-to-serial drivers. these can be found on the dvd under software. configure the hardware install the included battery into the vbat (rtc) battery holder. then plug in the included segment lcd tower plug-in (twrpi-slcd) into the touch/ slcd twrpi socket. finally, connect one end of the usb cable to the pc and the other end to the power/osjtag mini-b connector on the TWR-K40X256 module. allow the pc to automatically configure the usb drivers if needed. tilt the board tilt the board side to side to see the leds on e1Ce4 light up as it is tilted. navigate the segment lcd the segment lcd will come up displaying the seconds elapsed since boot-up. press sw4 to toggle between viewing the seconds, hours and minutes, potentiometer percent, and temperature. step 1 step 2 step 3 step 4 step-by-step installation instructions in this quick start guide, you will learn how to set up the TWR-K40X256 module and run the default demonstration.
tower system quick start guide for TWR-K40X256 explore further by conducting lab 1: TWR-K40X256 quick start demo explore all the features and capabilities of the pre-programmed demo by reviewing the lab document located at freescale.com/TWR-K40X256 . learn more about the kinetis k40 microcontrollers find more mqx and bare-metal labs and software for the kinetis k40 microcontrollers at freescale.com/TWR-K40X256 . step 5 step 6
tower system jumper option setting description j11 mcu power connection on connect on-board 3.3v supply to mcu off isolate mcu from power (connect an ammeter to measure current) j12 vbat power selection 1-2 connect vbat to on-board 3.3v supply 2-3 connect vbat to the higher voltage between on-board 3.3v supply or coin-cell supply j13 osjtag bootloader selection on osjtag bootloader mode (osjtag frmware reprogramming) off debugger mode j15 jtag board power connection 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 jumper options the following is a list of all the umper options. the default installed umper settings are shown in bold .
tower system quick start guide for TWR-K40X256 jumper option setting description j6 ir transmitter connection on connect ptd7/cmt_iro to ir transmitter (d507) off disconnect ptd7/cmt_iro from ir transmitter (d507) j3 vregin power connection on connect usb0_vbus from elevator to vregin off disconnect usb0_vbus from elevator to vregin j5 flexbus address latch selection 1-2 flexbus address latch disabled 2-3 flexbus address latch enabled
tower system to learn more about the TWR-K40X256 and other freescale kinetis microcontroller products, please visit freescale.com/TWR-K40X256, freescale.com/kinetis and freescale.com/tower. freescale, the freescale logo and codewarrior are trademarks of freescale semiconductor, inc., reg. u.s. pat. & tm. off. flexis, kinetis and processor expert are trademarks of freescale semiconductor, inc. all other product or service names are the property of their respective owners. ? 2010 freescale semiconductor, inc. doc number: twrk40qsg / rev 1 agile number: 926-78534 / rev b
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