FRDM-KL43Z User`s Guide - Freescale Semiconductor
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1. 2F FRDM KL43Z User s Guide Rev 0 10 Freescale Semiconductor FRDM KL43Z hardware description Table 4 sLCD connections continued s401 pin KL43 LCD Pin PB LCD P27 DP2 2C 2B 2A PD LCD_ P40 3D 3E 3G 3F LCD_ P42 DP3 3C 3B 3A LCD_P43 4D 4E 4G 4F LCD_P144 COL 4C 4B 4A 5 3 7 Capacitive touch slider Two general purpose I Os with interrupt functionality PTA 12 and PTA 13 can be connected to capacitive electrodes configured as a touch slider via OR resistors Because the TSI module is not included on the KL43 this functionality was not primary Freescale s Touch Sense Software TSS provides a software library for implementing the capacitive touch slider using GPIO method 5 3 8 Three axis accelerometer A Freescale MMA8451Q low power three axis accelerometer is interfaced through an I C bus and two GPIO signals as shown in Table 5 below By default the C address is 0x1D SAO pulled high Table 5 Accelerometer signal connections MMA8451Q KL43 pin SCL PTE24 TPMO_CHO I2CO_SDA SDA PTE25 TPMO_CH1 I2CO_SCL INT1 ACCEL PTC5 LLWU_P9 INT2 ACCEL PTD1 shared with INT2_MAG 5 3 9 Three axis digital magnetometer A Freescale MAG3110 three axis digital magnetometer is interfaced through an I C bus and one GPIO signal as shown in Table 6 below The IC address is Ox1E FRDM KL43Z User s Guide Rev 0 Freescale Semiconductor 11 FRDM KL43Z hardware description Table 6 Magnetometer signa2. for their general purpose input output port pin function For example the first pin on Port A is referred to as PTA1 The I O connector pin names are given the same name as the KL43 pin connected to it where applicable 17 PTB16 _ TPM_CLKIN Figure 8 FRDM KL43 pinout with selected functionalities All pinout data is available in spreadsheet format in FRDM KL43Z Pinouts See Section 2 Reference documents for details 5 3 13 Arduino compatibility The I O headers on the FRDM KL43Z are arranged to allow compatibility with peripheral boards known as shields that connect to Arduino and Arduino compatible microcontroller boards The outer rows of pins the even numbered pins on the headers share the same mechanical spacing and placement as the I O headers on the Arduino Revision 3 R3 standard FRDM KL43Z User s Guide Rev 0 Freescale Semiconductor 13 How to Reach Us Information in this document is provided solely to enable system and software implementers to use Freescale products There are no express or implied copyright Home Page freescale com licenses granted hereunder to design or fabricate any integrated circuits based on the Web Support information in this document Noea ee APIA Freescale reserves the right to make changes without further notice to any products herein Freescale makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor do
3. Freescale Semiconductor Document Number FRDMKL43ZUG User s Guide Rev 0 7 2014 FRDM KL43Z User s Guide 1 FRDM KL43Z overview Contents il FRDM KL43Z overview 000 eee eee ees 1 The Freescale Freedom development platform isasetof 2 Reference documents 0 00c0 eee ee 2 3 ASGUING SBNCO cc twcen ated cide er obeweewenon died 2 software and hardware tools for evaluation and 4 FRDM KL43Z hardware overview 000 2 development It is ideal for rapid prototyping of 5 FRDM KL43Z hardware description 4 microcontroller based applications The Freescale eae seen e i erial and debug adapter OpenSDA Freedom KL43Z hardware FRDM KL43Z is a simple 5 3 MKL43Z256 microcontroller 00 8 yet sophisticated design featuring a Kinetis L series microcontroller built on the ARM Cortex M0 core FRDM KL43Z can be used to evaluate the KL43 KL33 KL27 and KL17 Kinetis L series devices It features a MKL43Z256VLH4 which has a maximum operating frequency of 48 MHz 256 KB of flash memory 32 KB RAM 16 KB ROM with Kinetis bootloader a full speed device USB controller segment LCD controller and many analog and digital peripherals The FRDM KL43Z hardware is form factor compatible with the Arduino R3 pin layout providing a broad range of expansion board options The on board interfaces include a 4 digit segment LCD a 3 axis digital 2014 Freescale Sem
4. al channel The OpenSDA circuit receives power when the USB connector J13 1s plugged into a USB host 5 2 1 Debug interface Signals with SPI and GPIO capability are used to connect directly to the SWD of the KL43 These signals are also brought out to a standard 10 pin 0 05 Cortex Debug connector J11 It is possible to isolate the KL43 MCU from the OpenSDA circuit and use J11 to connect to an off board MCU To accomplish this cut the trace on the bottom side of the PCB that connects J18 pin 2 to J11 pin 2 This will disconnect the SWD_CLK pin to the KL43 so that it will not interfere with the communications to an off board MCU connected to J11 FRDM KL43Z User s Guide Rev 0 Freescale Semiconductor 7 FRDM KL43Z hardware description SWD CONNECTOR J18 SHORTING HEADER ON BOTTOM LAYER HDA 1X2 TH Jumper is shorted by a cut trace on DNP bottom layer Cutting the trace will effectively isolate the o on board MCU from the OpenSDA debug C KL43 SWD CLK interface J21 HDR 1X2 TH SWD_DIO TGTMCU nl X SWO CLK TGTMCU pa4 AST_K20050 8 pg4 5 Figure 5 SWD debug connector Note that J11 is not populated by default A Samtec FTSH 105 02 F D or compatible connector can be added to the J11 through hole connector A mating cable such as a Samtec FFSD IDC cable can then be used to connect from the OpenSDA of the FRDM KL43Z to an off board SWD connector 5 2 2 Virtual serial port A serial port connection i
5. ed to measure the energy consumption on these rails 5 2 Serial and debug adapter OpenSDA OpenSDA is an open standard serial and debug adapter It bridges serial and debug communications between a USB host and an embedded target processor as shown in Figure 4 The hardware circuit is based on a Freescale Kinetis K20 family microcontroller MCU with 128 KB of embedded flash and an integrated USB controller OpenSDA features a mass storage device MSD bootloader which provides a quick and easy mechanism for loading different OpenSDA applications such as flash programmers FRDM KL43Z User s Guide Rev 0 6 Freescale Semiconductor FRDM KL43Z hardware description run control debug interfaces serial to USB converters and more Refer to the Open SDA User s Guide for more details OpenSDA Application Figure 4 OpenSDA high level block diagram OpenSDA is managed by a Kinetis K20 MCU built on the ARM Cortex M4 core The OpenSDA circuit includes a status LED D8 and a push button SW2 The push button asserts the Reset signal to the KL43 target MCU It can also be used to place the OpenSDA circuit into Bootloader mode SPI and GPIO signals provide an interface to either the SWD debug port of the K20 Additionally signal connections are available to implement a UART seri
6. es Freescale assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation consequential or incidental damages Typical parameters that may be provided in Freescale data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including typicals must be validated for each customer application by customer s technical experts Freescale does not convey any license under its patent rights nor the rights of others Freescale sells products pursuant to standard terms and conditions of sale which can be found at the following address freescale com SalesTermsandConditions Freescale the Freescale logo and Kinetis are trademarks of Freescale Semiconductor Inc Reg U S Pat amp Tm Off All other product or service names are the property of their respective owners ARM and Cortex are the registered trademarks of ARM Limited ARM MO is the trademark of ARM Limited 2014 Freescale Semiconductor Inc Document Number FRDMKL43ZUG Rev 0 7 2014 xy Po freescale
7. iconductor Inc All rights reserved 4 WS freescale Reference documents accelerometer magnetometer capacitive touch slider not directly connected because there is no TSI module on the chip only software TSS can be used with GPIO method and ambient light sensor The FRDM KL43Z features the Freescale open standard embedded serial and debug adapter known as OpenSDA This circuit offers several options for serial communications flash programming and run control debugging 2 Reference documents Table 1 provides a list of reference documents for the FRDM KL43Z hardware All of these documents are available online at www freescale com FRDM KL43Z Table 1 FRDM KL43Z reference documents p Filename name o Description FRDM KL43Z ee Start Package ee ee a Start Guide and supporting files for getting started with the FRDM KL43Z FRDM KL43Z User s Guide This document overview and detailed information for the FRDM KL43Z hardware FRDM KL43Z Pinouts Spreadsheet of pin connections for all MCU pins Includes pinout for the I O headers Arduino R3 compatibility chart and OpenSDA MCU pinout FRDM KL43Z Schematics PDF schematics for the FRDM KL43Z hardware FRDM KL43Z Design Package Zip file containing all design source files for the FRDM KL43Z hardware OpenSDA User s Guide Overview and instructions for use of the OpenSDA embedded 3 Getting started Refer to the FRDM KL43Z Quick Start Package for step by step i
8. l connections MAG3110 KL43 SCL PTE25 TPMO_CH1 I2CO_SDA PTE24 TPMO_CHO I2CO_ SCL INT1_ MAG PTD1 shared with INT2_ ACCEL can be isolated by removing R50 5 3 10 LEDs Two LEDs a green LED and a red LED are PWM capable TPMO CH4 CH5 Signal connections are shown in Table 7 Table 7 LED signal connections Red PTE31 TPMO_CH4 call hina P45 ADCO SE6B SPI1 SCK UART2 TX TPMO CH5 5 3 11 Visible light sensor The FRDM KL43Z has a visible light sensor that is connected to ADCO_SE3 available on the PTE22 pin VISIBLE LIGHT SENSOR P3V3 J8 HDR 1X2 TH DNP Figure 7 Visible light sensor schematic 5 3 12 Input output connectors The MKL43Z256VLH4 microcontroller is packaged in a 64 pin LQFP Some pins are utilized in on board circuitry but many are directly connected to one of four I O headers Most of the pins available on I O header have shared functionality with the on board circuitry FRDM KL43Z User s Guide Rev 0 12 Freescale Semiconductor FRDM KL43Z hardware description NOTE Care must to be taken to avoid dual functionality between on board circuitry and I O header Some of the pins with the dual functionality use OR resistors for connection to specified functionality for example most of the LCD pins have shared functionality with I O header If you want to use these pins with I O header then it is necessary to remove OR resistors connected to the LCD The pins on the KL43 microcontroller are named
9. nstructions for getting started with the FRDM KL43Z See the Jump Start Your Design section on http www freescale com FRDM KL43Z for the Quick Start Package and software lab guides 4 FRDM KL43Z hardware overview The features of the FRDM KL43Z include e MKIL43Z256VLLZ4 MCU 48 MHz 256 KB flash memory 32 KB RAM 16 KB ROM with Kibble Low power 64LQFP package e Dual role USB interface with mini B USB connector e OpenSDA e Four digit segment LCD module e Capacitive touch slider not directly connected OR should be populated e Ambient light sensor e MMA8451Q accelerometer e MAG3110 magnetometer FRDM KL43Z User s Guide Rev 0 2 Freescale Semiconductor FRDM KL43Z hardware overview 2 user LEDs 2 user push buttons Flexible power supply options USB coin cell battery external source Battery ready power measurement access points Easy access to MCU I O via Arduino R3 compatible I O connectors Programmable OpenSDA debug interface with multiple applications available including Mass storage device flash programming interface P amp E Debug interface provides run control debugging and compatibility with IDE tools CMSIS DAP interface new ARM standard for embedded debug interface Data logging application Arduino R3 compatibility Figure 1 shows a block diagram of the FRDM KL43Z design The primary components and their placement on the hardware assembly are pointed out in Figure 2 F
10. pply rail for FRDM KL43Z assembly May be sourced from P3V3_VREG P3V3_BATT or directly from the I O headers J3 pin 8 P3V3 KL43Z KL43Z MCU supply Header J17 provides a convenient means for energy consumption measurements P3V3 SDA OpenSDA circuit supply Header J9 provides a convenient means for energy consumption measurements P5V_USB Nominal 5 V supplied to the I O headers J3 pin 10 Sourced from either the P5V_KL43Z or P5V_SDA supply through a back drive protection Schottky diode 1 By default the linear regulator U1 is a 3 3 V output regulator However this is a common footprint that would allow the user to modify the assembly to utilize an alternative device such as a 1 8 V or 2 5 V regulator The KL43 microcontroller has an operating range of 1 71 V to 3 6 V 2 J17 and J9 are not populated by default The two pins of these headers are shorted together by a trace on the bottom layer of the PCB To measure the energy consumption of either the KL43 or the OpenSDA MCU the trace between these pins must first be cut A current probe or a shunt resistor and voltage meter can then be applied to measure the energy consumption on these rails 3 J20 is not populated by default The two pins of this header are shorted together by a trace on the bottom layer of the PCB To measure the energy consumption of digital part of KL43 the trace between these pins must first be cut A current probe or a shunt resistor and voltage meter can then be appli
11. reescale Semiconductor ee _ gt I O Header 3 3V LDO sLCD sLCD rp 0b D pau a Lu N TSS 12C Inertial z I O Header Figure 1 FRDM KL43Z block diagram FRDM KL43Z User s Guide Rev 0 FRDM KL43Z hardware description SW1 Light E sensor en 2 e Red io el LED oo J1 I O manile Header Mikii m a Green m LED r i eo KL43Z256 5 J2 I O nie Header ee E m E E Ep a a E KL43 SWD s KL43 USB gt Co a TAN a ee TaN a Haas n ri a n ra n Ea EEE i a ee a m wg f a a wa i fexsieniee h Na i lt OpenSDAUSB Capacitive Touch Slider SW3 4 DigitsLCD J3 I O Header Magnetometer MAG3110 Accelerometer MMA8451Q EF 4 OpenSDA Debug Reset Figure 2 FRDM KL43Z main components placement 5 FRDM KL43Z hardware description 5 1 Power supply There are multiple power supply options on the FRDM KL43Z It can be powered from either of the USB connectors the V pin on the I O header an on board coin cell battery or an off board 1 71 3 6 V supply from the 3 3 V pin on the I O header The USB and Vy supplies are regulated on board using a 3 3 V linear regulator FRDM KL43Z User s Guide Rev 0 Freescale Semiconductor FRDM KL43Z hardware description to produce the main power supply The other two sources are not regulated on board Table 2 provides
12. s available between the OpenSDA MCU and pins PTA1 and PTA2 of the KL43 Several of the default OpenSDA applications provided by Freescale including the MSD flash programmer and the P amp E debug application provide a USB Communications Device Class CDC interface that bridges serial communications between the USB host and this serial interface on the K20 5 3 MKL43Z256 microcontroller The target microcontroller of the FRDM KL43Z is the KL432Z256VLH4 a Kinetis L series device in a 64 LQFP package The KL43Z MCU features include e 32 bit ARM Cortex M0 core up to 48 MHz operation Single cycle fast I O access port e Memories 256 KB flash memory 32 KB SRAM 16K ROM with Kinetis bootloader Kibble included e System integration Power management and mode controllers Low leakage wakeup unit FRDM KL43Z User s Guide Rev 0 8 Freescale Semiconductor FRDM KL43Z hardware description Bit manipulation engine for read modify write peripheral operations Direct memory access DMA controller Computer operating properly COP Watchdog timer e Clocks Clock generation module with high frequency internal reference clock HIRC 48 MHz and two low frequency internal reference clocks LIRC 2 MHz and 8 MHz for system and CPU clock generation System oscillator supporting external crystal or resonator Low power kHz RC oscillator for RTC and COP watchdog e Analog peripherals 16 bi
13. t SAR ADC w DMA support 12 bit DAC w DMA support High speed analog comparator containing a 6 bit DAC and programmable reference input VREF 1 2 V voltage reference e Communication peripherals One Integrated Interchip Sound 12S Audio Interface SAT Two 8 bit Serial Peripheral Interfaces SPI USB FS device controller USB voltage regulator Two FC modules Two low power UART modules LPUART One UART with ISO7816 module One FlexIO module with 8 pins 4 shifters 4 timers implemented e Timers One 6 channel Timer PWM module Two 2 channel Timer PWM modules 2 channel Periodic Interrupt Timer PIT Real time clock RTC Low power Timer LPT System tick timer e Human Machine Interfaces HMI Segment LCD controller maximum segment is 8x28 4x32 General purpose input output controller 5 3 1 Clock source The Kinetis KL43 microcontrollers feature an on chip oscillator compatible with three ranges of input crystal or resonator frequencies 32 40 kHz low frequency mode 3 8 MHz high frequency mode low FRDM KL43Z User s Guide Rev 0 Freescale Semiconductor 9 FRDM KL43Z hardware description range and 8 32 MHz high frequency mode high range The KL43Z256 on the FRDM KL43Z can be clocked from 32 kHz external crystal 5 3 2 USB interface The Kinetis KL43 microcontrollers feature full speed device USB controller with crystal less fea
14. the operational details and requirements for the power supplies Table 2 FRDM KL43 power requirements Regulated Supply source Valid range OpenSDA operational onboard OpenSDA USB Yes Yes Note that the OpenSDA circuit is only operational when a USB cable is connected and is supplying power to OpenSDA USB However protection circuitry is in place to allow multiple sources to be powered at once SHORTING HEADER ON BOTTOM LAYER J17 HDR 1X2 TH D1 DFLS130L 7 P3V3_KL43Z DNP a ees d P5 9V_VIN P5V_SDA P5V_KL43Z D3 D2 DFLS130L 7 lt DFLS130L 7 U1 P3V3_SDA NCP1117ST33T3G 3 2 P3V3_VREG VIN _ VOUT D4 DFLS130L 7 A C a i J9 HDR 1X2 TH J6 DNP HDR 1X2 TH DNP SHORTING HEADER ON BOTTOM LAYER Figure 3 Power supply schematic FRDM KL43Z User s Guide Rev 0 Freescale Semiconductor FRDM KL43Z hardware description Table 3 FRDM KL43Z power supplies P5 9V_VIN Power supplied from the Vij pin of the I O headers J3 pin 16 P5V_SDA Power supplied from the OpenSDA USB connector A Schottky diode provides back drive protection P5V_KL43Z Power supplied from the KL43Z USB connector A Schottky diode provides back drive protection P3V3_VREG Regulated 3 3 V supply Sources power to the P3V3 supply rail through a back drive protection Schottky diode P3V3_ BATT Coin cell battery supply voltage Sources power to the P3V3 supply rail through a back drive protection Schottky diode P3V3 Main su
15. ture The USB interface on the FRDM KL43Z is configured as a full speed USB device VREGIN must be powered to enable the internal circuitry of USB by jumper J7 5 3 3 Serial port The primary serial port interface signals are PTA LPUARTO RX and PTA2 LPUARTO TX These signals are connected via the OpenSDA 5 3 4 Reset The RESET signal on the K20 is connected externally to a push button SW2 and also to the OpenSDA circuit The reset button can be used to force an external reset event in the target MCU The reset button can also be used to force the OpenSDA circuit into bootloader mode Please refer to Section 5 2 Serial and debug adapter OpenSDA for more details 5 3 9 Debug The sole debug interface on all Kinetis L series devices is a Serial Wire Debug SWD port The primary controller of this interface on the FRDM KL43Z is the onboard OpenSDA circuit see Section 5 2 Serial and debug adapter OpenSDA However an unpopulated 10 pin 0 05 Cortex Debug connector J11 provides access to the SWD signals The Samtec FTSH 105 02 F D or compatible connectors can be added to the J11 through hole debug connector to allow for an external debug cable to be connected 5 3 6 Segment LCD FRDM KL43Z uses a 4 digit display LUMEX LCD S401M16KR 4x8 segments The following table shows connection from KL43 to s401 display Table 4 sLCD connections KL43 LCD Pin a LCD_P14 COM2 3 8 ten rarcoraricrera LCD_P26 2D 2E 2G
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