Freescale Semiconductor TWR-K60N512 Manuale utente

Freescale Semiconductor Inc.

TWR-K60N512 Tower Module

User's Manual

Rev. 1.0

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Table of Contents

1TWR-K60N512 and TWR-K60N512-KIT Overview .....................................................................4

1.1 Contents..................................................................................................................................................................................4

1.2 Features..................................................................................................................................................................................5

1.3 Getting Started.....................................................................................................................................................................6

1.4 Reference Documents.......................................................................................................................................................6

2Hardware Description ...........................................................................................................................6

2.1 K60N512 Microcontroller...............................................................................................................................................7

2.2 Clocking ..................................................................................................................................................................................8

2.3 System Power.......................................................................................................................................................................8

2.3.1 RTC VBAT ..............................................................................................................................................................................................8

2.4 Debug Interface ...................................................................................................................................................................9

2.4.1 OSJTAG....................................................................................................................................................................................................9

2.4.2 Cortex Debug+ETM Connector.....................................................................................................................................................9

2.5 Infrared Port......................................................................................................................................................................10

2.6 Accelerometer...................................................................................................................................................................10

2.7 Potentiometer, Pushbuttons, LEDs ..........................................................................................................................10

2.8 General Purpose Tower Plug-in (TWRPI) Socket...............................................................................................10

2.9 Touch Interface.................................................................................................................................................................11

2.10 Ethernet ............................................................................................................................................................................12

2.11 USB......................................................................................................................................................................................13

2.12 Secure Digital Card Slot..............................................................................................................................................13

2.13 External Bus Interface –FlexBus............................................................................................................................13

3Jumper Table..........................................................................................................................................13

4Input/Output Connectors and Pin Usage Table.........................................................................14

5Tower Elevator Connections ............................................................................................................15

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List of Figures

Figure 1. Freescale Tower System Overview .............................................................................................. 4

Figure 2. Callouts on front side of the TWR-K60N512................................................................................ 5

Figure 3. Callouts on back side of the TWR-K60N512 ................................................................................ 6

Figure 4. TWR-K60N512 Block Diagram...................................................................................................... 7

Figure 5. Infrared Port Implementation ................................................................................................... 10

List of Tables

Table 1. Cortex Debug+ETM Connector Pinout.......................................................................................... 9

Table 2. General Purpose TWRPI socket pinout ....................................................................................... 11

Table 3. Touch TWRPI socket pinout ........................................................................................................ 12

Table 4. Ethernet operation jumper settings ........................................................................................... 12

Table 5. TWR-K60N512 Jumper Table ...................................................................................................... 13

Table 6. I/O Connectors and Pin Usage Table........................................................................................... 14

Table 7. TWR-K60N512 Primary Connector Pinout .................................................................................. 16

Revision History

Revision

Date

Changes

1.0

Nov 9, 2010

Initial Release for PWA 700-26548 Rev A

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1TWR-K60N512 and TWR-K60N512-KIT Overview

The TWR-K60N512 is a Tower Controller Module compatible with the Freescale Tower System. It can

function as a stand-alone, low-cost platform for the evaluation of the Kinetis K10, K20 and K60 family

of microcontroller (MCU) devices. The TWR-K60N512 features the Kinetis K60 low-power

microcontroller based on the ARM® Cortex™-M4 architecture with USB 2.0 full-speed OTG controller

and 10/100 Mbps Ethernet MAC.

The TWR-K60N512 is available as a stand-alone product or as a kit (TWR-K60N512-KIT) with the Tower

Elevator Modules (TWR-ELEV) and the Tower Serial Module (TWR-SER). The TWR-K60N512 can also be

combined with other Freescale Tower peripheral modules to create development platforms for a wide

variety of applications. 0 provides an overview of the Freescale Tower System.

Figure 1. Freescale Tower System Overview

1.1 Contents

The TWR-K60N512 contents include:

TWR-K60N512 board assembly

3ft USB cable

Interactive DVD with software installers and documentation

Quick Start Guide

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The TWR-K60N512-KIT contains:

TWR-K60N512 MCU module

TWR-ELEV –Primary and Secondary Elevator Modules

TWR-SER –Serial module including USB host/device/OTG, Ethernet, CAN, RS232 and RS485

1.2 Features

Figure 2 and Figure 3 show the TWR-K60N512 with some of the key features called out. The following

list summarizes the features of the TWR-K60N512 Tower MCU Module:

Tower compatible microcontroller module

MK60N512VMD100: K60N512 in a 144 MAPBGA with 100MHz operation

Touch Tower Plug-in Socket

General purpose Tower Plug-in (TWRPI) socket

On-board JTAG debug circuit (OSJTAG) with virtual serial port

Three axis accelerometer (MMA7660)

Four (4) user-controllable LEDs

Four (4) capacitive touch pads

Two (2) user pushbutton switches

Potentiometer

Battery Holder for 20mm lithium battery (e.g. 2032, 2025)

SD Card slot

Figure 2. Callouts on front side of the TWR-K60N512

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Figure 3. Callouts on back side of the TWR-K60N512

1.3 Getting Started

Follow the Quick Start Guide found printed in the TWR-K60N512 box or the interactive DVD for the list

of recommended steps for getting started. There are also lab walk-through guides available on the

tool support page for the TWR-K60N512: http://www.freescale.com/TWR-K60N512.

1.4 Reference Documents

The documents listed below should be referenced for more information on the Kinetis family, Tower

System, and MCU Modules. These can be found in the documentation section of freescale.com/TWR-

K60N512 or freescale.com/kinetis.

TWR-K60N512-QSG: Quick Start Guide

TWR-K60N512-SCH: Schematics

TWR-K60N512-PWA: Design Package

TWRPI-SLCD-SCH: Schematics

TWRPI-SLCD-PWA: Design Package

K60 Family Product Brief

K60 Family Reference Manual

Kinetis Quick Reference User Guide (QRUG)

Tower Configuration Tool

2Hardware Description

The TWR-K60N512 is a Tower Controller Module featuring the MK60N512VMD100—an ARM Cortex-

M4 based microcontroller with segment LCD and USB 2.0 full-speed OTG controllers in a 144 MAPBGA

package with a maximum core operating frequency of 100MHz. It is intended for use in the Freescale

Tower System but can operate stand-alone. An on-board debug circuit, OSJTAG, provides a JTAG

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debug interface and a power supply input through a single USB mini-AB connector. Figure 4 shows a

block diagram of the TWR-K60N512. The following sections describe the hardware in more detail.

OSJTAG

JTAG, Power, SCI K60N512

144 MAPBGA

Tower Elevator Expansion Connectors

SDHC, I2S, SPI, I2C, ADC, USB, DAC, PWM, UARTs, Flexbus, Ethernet

50 MHz OSC

SCI

Freescale Device External Connectors Interface Circuits Power

MMA7660

Infrared Port

IR Output

I2C

Comparator

GPIO / Interrupts

ADC

Reset LED

JTAG

32.768 KHz XTAL

3.3V5.0V

General Purpose

Tower Plug-in

(TWRPI)

SPI, I2C, ADC, GPIO

Touch Tower Plug-in

(TWRPI)

TSI, GPIO Capacitive

Touch

Pads

LED

SD Card Slot

SDHC

USB

Mini-B

Battery

Holder VBAT (RTC)

5.0V

Figure 4. TWR-K60N512 Block Diagram

2.1 K60N512 Microcontroller

The TWR-K60N512 module features the MK60N512VMD100. The K60 microcontroller family is part of

the Kinetis portfolio of devices built around an ARM Cortex-M4 core. Refer to the K60 Family Product

Brief and the K60 Family Reference Manual for comprehensive information on the MK60N512VMD100

device. The key features are listed here:

32-bit ARM Cortex-M4 core with DSP instructions

100MHz maximum core operating frequency

144 MAPBGA, 13mm x 13mm, 1.0mm pitch package

1.71V –3.6V operating voltage input range

256 Kbytes of program flash, 64 Kbytes of static RAM

FlexMemory consisting of 256 Kbytes of FlexNVM (non-volatile flash memory that can be used

as program flash, data flash, backup EEPROM of variable endurance and size) and 4 Kbytes of

FlexRAM (RAM memory that can be used as traditional RAM, as high-endurance EEPROM

storage, or flash programming acceleration RAM)

External bus interface

Power management controller with 10 different power modes

Multi-purpose clock generator with PLL and FLL operation modes

16-bit SAR ADC, 12-bit DAC

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High-speed analog comparator with 6-bit DAC

Programmable voltage reference

USB full-speed/low-speed OTG/Host/Device controller with device charge detect

10/100 Mbps Ethernet MAC

SPI, I2C (w/ SMBUS support), UART (w/ ISO7816 and IrDA), CAN, I2S

SD Host Controller (SDHC)

GPIO with pin interrupt support, DMA request capability, digital glitch filtering

Capacitive touch sensing inputs (TSI)

Debug interfaces: JTAG, cJTAG, SWD

Trace: TPIO, FPB, DWT, ITM, ETM, ETB

2.2 Clocking

The Kinetis MCUs start up from an internal digitally controlled oscillator (DCO). Software can enable

one or two external oscillators if desired. The external oscillator for the Multipurpose Clock Generator

(MCG) module can range from 32.768 KHz up to a 32 MHz crystal or ceramic resonator. The external

oscillator for the Real Time Clock (RTC) module accepts a 32.768 kHz crystal.

The EXTAL pin of the main external oscillator can also be driven directly from an external clock source.

The TWR-K60N512 features a 50 MHz on-board clock oscillator as seen in sheet 4 of the schematics.

However, when the K60 Ethernet MAC is operating in RMII mode, synchronization of the MCU input

clock and the 50 MHz RMII transfer clock is important. In this mode, the MCU input clock must be kept

in phase with the 50 MHz clock supplied to the external PHY. Therefore, the TWR-K60N512 provides

the option (see description for J6 in Table 5) to select the clock input to the MCU from 1) the on-board

50MHz source or 2) an external clock from the CLKIN0 pin on the Primary Connector. When the K60 is

operating in Ethernet RMII mode, the Tower peripheral module implementing the RMII PHY device

should drive a 50 MHz clock on the CLKIN0 signal that is kept in phase with the clock supplied to the

RMII PHY. Refer to section 2.10 “Ethernet”for more information.

2.3 System Power

In stand-alone operation, the main power source for the TWR-K60N512 module is derived from the

5.0V input from either the USB mini-B connector, J13, or the debug header, J11, when a shunt is placed

on jumper J12. A low-dropout regulator provides a 3.3V supply from the 5.0V input voltage. Refer to

sheet 5 of the TWR-K60N512 schematics for more details.

When installed into a Tower System, the TWR-K60N512 can be powered from either an on-board

source or from another source in the assembled Tower System. If both the on-board and off-board

sources are available, the TWR-K60N512 will default to the off-board source.

The 3.3V power supplied to the MCU is routed through a jumper, J8. The jumper shunt can be removed

to allow for either 1) alternate MCU supply voltages to be injected or 2) the measurement of power

consumed by the MCU.

2.3.1 RTC VBAT

The Real Time Clock (RTC) module on the K60 has two modes of operation, system power-up and

system power-down. During system power-down, the RTC is powered from the backup power supply,

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VBAT. The TWR-K60N512 provides a battery holder for a coin cell battery that can be used as the VBAT

supply. The holder can accept common 20mm diameter 3V lithium coin cell batteries (e.g. 2032,

2025). Refer to the description J9 in Table 5 “TWR-K60N512 Jumper Table”for more information.

2.4 Debug Interface

There are two debug interface options provided: the on-board OSJTAG circuit and an external Cortex

Debug+ETM connector.

2.4.1 OSJTAG

An on-board MC9S08JM60 based Open Source JTAG (OSJTAG) circuit provides a JTAG debug interface

to the K60N512. A standard USB A male to Mini-B male cable (provided) can be used for debugging via

the USB connector, J16. The OSJTAG interface also provides a USB to serial bridge. Drivers for the

OSJTAG interface are provided in the P&E Micro Kinetis Tower Toolkit (available on the included DVD).

Note: The port pins connected to the OSJTAG USB-to-serial bridge (PTD6 and PTD7) are also connected

to the infrared interface. Refer to Table 6 “I/O Connectors and Pin Usage Table” and Table 5 “TWR-

K60N512 Jumper Table” for more information.

2.4.2 Cortex Debug+ETM Connector

The Cortex Debug+ETM connector is a 20-pin (0.05") connector providing access to the SWD, SWV,

JTAG, cJTAG, EzPort and ETM trace (4-bit) signals available on the K60 device. The pinout and K60 pin

connections to the debug connector, J14, is shown in Table 1Table 1.

Table 1. Cortex Debug+ETM Connector Pinout

Function

TWR-K60N512 Connection

VTref

3.3V MCU supply (P3V3_MCU)

TMS / SWDIO

PTA3/SCI0_RTS_b/FTM0_CH0/JTAG_MS/SWD_DIO

GND

TCK / SWCLK

PTA0/SCI0_CTS_b/FTM0_CH5/JTAG_CLK/SWD_CLK/EZP_CLK

GND

TDO / SWO

PTA2/SCI0_TX/FTM0_CH7/JTAG_DO/TRACE_SWO/EZP_DO

Key

―

TDI

PTA1/SCI0_RX/FTM0_CH6/JTAG_DI/EZP_DI

GNDDetect

PTA4/FTM0_CH1/MS/NMI_b/EZP_CS_b

nRESET

RESET_b

Target Power

5V supply (via J12)

TRACECLK

PTA6/FTM0_CH3/TRACE_CLKOUT

Target Power

5V supply (via J12)

TRACEDATA[0]

PTA10/FTM2_CH0/FTM2_QD_PHA/TRACE_D0

GND

TRACEDATA[1]

PTA9/FTM1_CH1/FTM1_QD_PHB/TRACE_D1

GND

TRACEDATA[2]

PTA8/FTM1_CH0/FTM1_QD_PHA/TRACE_D2

GND

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Function

TWR-K60N512 Connection

TRACEDATA[3]

PTA7/FTM0_CH4/TRACE_D3

Note: Many of the trace signals connected to the debug connector are also connected elsewhere on

the TWR-K60N512. Refer to Table 6 “I/O Connectors and Pin Usage Table” and Table 7 “TWR-K60N512

Primary Connector Pinout” for more information.

2.5 Infrared Port

An infrared transmit and receive interface is implemented as shown in Figure 5 below. The CMT_IRO

pin directly drives an infrared diode. The receiver uses an infrared phototransistor connected to an on-

chip analog comparator through a low-pass filter. Internal to the K60 device, the output of the analog

comparator can be routed to a UART module for easier processing of the incoming data stream.

0.1UF

Default: no shunt

(Disable IRDA)

QTLP610CPD

1 2

R24

1.54K

QTLP610CIR

2 1

R25

1.0K

P3V3

R23

J6 HDR 1X2 TH

PTC6CMP0_IN0IRDA_SEN

CMT_IROPTD7 IRDARIRDAJ

Figure 5. Infrared Port Implementation

2.6 Accelerometer

An MMA7660 digital accelerometer is connected to the K60 MCU through an I2C interface and a

GPIO/IRQ signal. Refer to Table 6 “I/O Connectors and Pin Usage Table” for connection details.

2.7 Potentiometer, Pushbuttons, LEDs

The TWR-K60N512 features two pushbutton switches connected to GPIO/interrupt signals, one

pushbutton connected to the master reset signal, four capacitive touch pad electrodes, four user-

controllable LEDs, and a potentiometer connected to an ADC input signal. Refer to Table 6 “I/O

Connectors and Pin Usage Table” for information about which port pins are connected to these

features.

2.8 General Purpose Tower Plug-in (TWRPI) Socket

The TWR-K60N512 features a socket that can accept a variety of different Tower Plug-in modules

featuring sensors, RF transceivers, and more. The General Purpose TWRPI socket provides access to

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