Freescale Semiconductor TWR-K64F120M Manual de usuario

TWR-K64F120M

Quick Start Guide

Low-power MCUs at 120 MHz with FPU,

up to 1 MB Flash and up to

256 KB SRAM

Tower System

Development Board

Platform

Quick Start Guide

Get to Know the K64F120M Board

Figure 1: Front side of TWR-K64F120M

Power/OpenSDA

Mini-USB

OpenSDA Debug

RESET

K64 Micro-USB

Potentiometer

Board power

indicator

Regulator

Option Selector

50 MHz OSC

Enable/Disable

VBAT

Options

K64 JTAG

SW1

1588

SW3

LEDs

General-Purpose

TWRPI Plug-In

Accelerometer

freescale.com

TWR-K64F120M Freescale Tower System

Development Board Platform

The TWR-K64F120M board is designed to work either in standalone

mode or as part of the Freescale Tower System, a modular development

board platform that enables rapid prototyping and tool re-use through

reconfigurable hardware. Begin constructing your Tower System platform

today by visiting freescale.com/Tower for additional Tower System boards

and compatible peripherals.

SD Card

Receptacle

Battery

Receptacle

Potentiometer

Step-by-Step

Installation Instructions

• MK64FN1M0VMD12 (120 MHz, 1

MB Flash, 256 KB RAM, FPU, USB,

encryption, low power, 144 MAPBGA)

• Dual-role USB interface with Micro-AB

USB connector

• Onboard open-standard serial and

debug adaptor (OpenSDA)

• General-purpose Tower plug-in (TWRPI)

socket

• Three-axis accelerometer (MMA8451Q)

• Four user-controlled status LEDs

• Pushbuttons for GPIO interrupts and

MCU reset

• Potentiometer, SD card socket and coin

cell battery holder

• Independent, battery-operated power

supply for real-time clock and tamper

detection modules

In this Quick Start Guide, you will learn

how to set up the TWR-K64F120M board

and run the included demonstrated

software. For more detailed information,

review the user manual at freescale.com/

TWR-K64F120M.

2Install the

Software and Tools

Install the P&E Micro Kinetis Tower toolkit.

The toolkit includes the OpenSDA and USB

to serial drivers.

TWR-K64F120M

Features

Download Software

and Tools

Download installation

software and documentation

under “Jump Start

Your Design” at

freescale.com/TWR-K64F120M.

freescale.com

3Configure the

Hardware

Install the included battery into the VBAT

(RTC) battery holder. Then, connect one

end of the USB cable to the PC and the

other end to the Power/OpenSDA micro-B

connector on the TWR-K64F120M module.

Allow the PC to automatically configure the

USB drivers if needed.

4Tilt the

Board

Tilt the board side to side to see the LEDs

on D5, D6, D7 and D9 light up as it is

tilted. While the board is held flat, press

SW2 and SW3 to toggle LEDs D5 and D6,

respectively.

5Download the Freescale

CodeWarrior IDE and

MQX™RTOS

Download the Freescale CodeWarrior IDE

and MQX RTOS by clicking the relevant

links at freescale.com/CodeWarrior and

freescale.com/MQX.

Quick Start Guide

TWR-K64F120M Jumper Options

The following is a list of all jumper options on the TWR-K64F120M. The default installed

jumper settings are indicated in the shaded boxes.

Jumper Option Setting Description

50 MHz Clock

OSC Power

J33 1–2 Enable V_BRD power supply to 50 MHz OSC

J32 1–2 Disable V_BRD power supply to 50 MHz OSC

JTAG Board

Power

Selection

J14 ON Connect 5 V output (P5V_TRG_USB) to JTAG port (supports

powering board from JTAG pod supporting 5 V supply output)

OFF Disconnect JTAG 5 V output (P5V_TRG_USB) from JTAG port

UART4_TX J36

ON Connect PTE24 as UART4_TX to Secondary TWR_ELEV

OFF Disconnect PTE24 as UART4_TX to Secondary TWR_ELEV

UART4_RX J27

ON Connect PTE25 as UART4_RX to Secondary TWR_ELEV

OFF Disconnect PTE25 as UART4_RX to Secondary TWR_ELEV

SDHC_WP /

UART4_RTS_B J34

ON Connect PTE27 as UART4_RTS_B to Secondary TWR_ELEV or as

SDHC_WP to SD card slot as write protect signal

OFF Disconnect PTE27 as UART4_RTS_B to Secondary TWR_ELEV or

as SDHC_WP to SD card slot as write protect signal

GPIO3_ELEV J35

ON Connect PTE28 as General-Purpose I/O to TWR_ELEV

OFF Disconnect PTE28 as General-Purpose I/O to TWR_ELEV

UART_CTS /

RTC_CLKOUT/ J31

ON Connect PTE26 as UART_CTS to Secondary TWR_ELEV or as

RTC_CLKOUT to primary TWR_ELEV or as Clock input for 1588

1588_CLKIN OFF Disconnect PTE26 as UART_CTS to Secondary TWR_ELEV or as

RTC_CLKOUT to primary TWR_ELEV or as Clock input for 1588

TAMPER0 J21 ON

OFF

freescale.com

Jumper Option Setting Description

K64 VREG IN

Selector J19

1–2 VBUS Signal on micro USB connector J17 connects to K64_VREGIN

to allow standalone USB operation

2–3 VBUS signal from TWR ELEV connector connects to K64_VREGIN to

allow USB operation with complete Tower System

3.3 V Voltage

Regulator

Input Selector

J18

1–2 Output of USB power switch controlled by the VTRG_EN signal from

the K20 MCU. Provides input to 3.3 V regulator.

3–4 Output of USB power from primary elevator Pin A57 to 3.3 V

regulator

5–6 Output of USB power from K64 VREGIN to 3.3 V regulator

Board Power

Selector J29

1–2 Connect K20 USB regulator output (VOUT_3V3) to onboard supply

(V_BRD)

3–4 Connect K64 USB regulator output (VOUT_3V3) to onboard supply

(V_BRD)

5–6 Connect 3.3 V onboard regulator output (P3V3) to onboard supply

(V_BRD)

7–8 Connect 1.8 V onboard regulator output (P1V8) to onboard supply

(V_BRD)

MCU Power

Connection J28

ON Connect onboard 3.3 V or 1.8 V supply (V_BRD) to MCU VDD

OFF Disconnect onboard 3.3 V or 1.8 V supply (V_BRD) to MCU VDD

MCU Power

VDDA for

Current

Measurement

J22

ON Connect MCU_PWR (3.3 V or 1.8 V) to VDDA and VREFH

OFF Disconnect MCU_PWR (3.3 V or 1.8 V) to VDDA and VREFH

VBAT Power

Source J20

1–2 Connect VBAT to onboard 3.3 V or 1.8 V supply

2–3 Connect VBAT to the higher voltage between MCU supply (MCU_

PWR) or coin cell supply (VBATD)

Quick Start Guide

TWR-K64F120M Jumper Options (cont.)

Jumper Option Setting Description

Accelerometer

IRQ Connection

J7 ON Connect PTA8 to INT2 pin of accelerometer

ON Connect PTA6 to INT1 pin of accelerometer

OFF Disconnect PTA6 and/or PTA8 from INT1 and/or INT2 of

accelerometer

External

Pulldown on

SDHC D3

J13

ON External 10 K ohm Pulldown on SDHC_D3

OFF No pull down on SDHC_D3

LED

connections J30

1–2 Connect PTE6 to Yellow/Green LED (D5)

3–4 Connect PTE7 to Yellow LED (D6)

5–6 Connect PTE8 to Orange LED (D7)

7–8 Connect PTE9 to Blue LED (D8)

5 V power

selection J38

1–2 Connect 5 V power from OpenSDA (mini-USB) to power switch

MIC2026

2–3 Connect 5 V power from Elevator to power switch MIC2026

Micro USB

power enable J26

ON Connect PTC9 to USB power enable on power switch MIC2026

OFF Disconnect PTC9 from USB power enable on power switch

MIC2026

Micro USB

Overcurrent

Flag

J23

ON Connect PTC8 to overcurrent flag on power switch MIC2026

OFF Disconnect PTC8 from overcurrent flag on power switch

MIC2026

Micro USB ID

Selection J25 ON USB Host / Device ID selection is controlled by PTE12

OFF No ID selection USB Host/Device

Potentiometer

Connection J24

ON Connect potentiometer to ADC1_SE18

OFF Disconnect potentiometer from ADC1_SE18

freescale.com

Jumper Option Setting Description

General-

Purpose TWRPI

V_BRD Power

Enable

ON Connect onboard 1.8 V or 3.3 V supply (V_BRD) to TWRPI 3 V

power (GPT_VBRD)

OFF Disconnect from board 1.8 V or 3.3 V supply (V_BRD) to TWRPI

3 V power (GPT_VBRD)

GPIO

RESET_OUT_B

Connection

1–2 Connect PTB7 to RESET_OUT_B signal

2–3 RESET_OUT_B signal resets the target MCU

Target MCU

UART1_RX

Output Selection

J10

1–2 Connect MCU’s UART1_RX to OpenSDA virtual COM RX port

2–3 Connect MCU’s UART1_RX to primary Elevator (A41) UART0_RX

Target MCU

UART1_TX

Output Selection

J15

1–2 Connect MCU’s UART1_TX to OpenSDA virtual COM TX port

2–3 Connect MCU’s UART1_RX to primary Elevator (A42) UART0_RX

SWD_CLK_

TGTMCU

Output Selection

J39

ON Enable the SWD_CLK_TGTMCU connection between the

OpenSDA and target MCU

OFF Isolate the SWD_CLK_TGTMCU connection between the

OpenSDA and target MCU

Reset Selection

for SW2 Reset

Button

J16

1–2 Connect the reset button to target MCU before level shifter

2–3 Connect the reset button to target MCU without passing through

level shifter

Quick Start Guide

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