MCF51MM Tower Story Hardware Specification
Contents
1. N 2 fre escale semicon ductor TWR MCF51CN User Manual Rev 1 2 Freescale Semiconductor Inc e se w freescale semiconductor Contents sra PE F F ezruF pz EE 2 Reference DOoCumenNtS sensnnnnnnnnnnnnnnnnnnnnnmnnnnmnnnmnnnmmunnnnunnnnmnnnnnnnnmnnnnunannmnnnunnnnnnnnnunnnnunnnunnnannnnnnnnnnnnannnan sU Hardware g i T ATA ca SYSTEM OW Cl E TEREN TEOJ EER notant DD user FR FTTFTTTFTEFRTppMpMpppPpy F F p F F yF T F PFMFMF FyFF TM LL 3 4 RS232 INter face viecccccssececcessecescessecessecsecessecseceuseceecesseceecessecessecsesessecsecessecensessesaeseceesessecesessecaeseusecaesasnsessasesessevenseasevassanenees De OW CON COC ELON ATT an es a nt a ee a een ent sOMecnancal FONE FA CLO aan aa O aa REAGO KKG KAK DU nn j Ilon je saj E 0 SEE o 5 Input Output Connectors and Pin Usage Table sms 6 OB Ibi E y V ypyn 6 Revision History Revision Date Changes May 15 2009 Initial Release July 8 2009 Added I O Connector amp Pin Usage table added OSBDM section Feb 28 2011 io broken link in section 2 Updated OSBDM TWR MCF51CN User s Manual Page 2 of 7 42 2 freescale semiconductor 12. Overview The MCF51CN Tower MCU Module TWR MCF51CN is a low cost evaluation demonstration and development board The TWR MCF51CN can operate stand alone or as the main control board in a Tower system with peripheral modules The following list summarizes the features of the TWR MCF51CN e Tower compatible microcontroller module MCF51CN128 in an 80 LOFP package MC9S08JM60 based Open Source Debug OSBDM circuit 4 user controlled LEDs Two DIP Switches and three push buttons for user input Potentiometer MMA7260 three axis accelerometer RS232 transceiver and 2x5 pin header Expansion via Primary Elevator connector A block diagram for the TWR MCF51CN is shown in the figure below Tower Elevator Expansion Connectors SPI FC ADC FEC TPM SCI KBI Mini Flexbus etc 6 Pin 25 MHz or Header 32 768 KHz USB Mini AB 10 Pin RS232 Header XCVR uu Freescale Device i External Connectors kuj Interface Circuits a Power Figure 1 TWR MCF51JCN Block Diagram TWR MCF51CN User s Manual Page 3 of 7 7 freescale semiconductor 2 Reference Documents The documents listed below should be referenced for more information on the Freescale Tower system and the TWR MCF51CN Refer to http www freescale com tower for the latest revision of all Tower documentation e Freescale Tower Electromechanical Specification TWR MCF51CN Module Pinout TWR MCF51CN Schematics TWR MCF51CN Quick Start Guide TWR MCF51CN KIT Lab
3. Refer to section x for information on other modes of operation of the OSBDM TWR MCF51CN User s Manual Page 4 of 7 7 freescale semiconductor 3 4 RS232 Interface An RS232 transceiver on the TWR MCF51CN connects to a standard 2x5 pin header Selection jumpers J9 and J10 allow SCI1 signals to be routed to either the RS232 transceiver or the OSBDM circuit Refer to Table 1 for more details 3 5 Elevator Connections The TWR MCF51CN features two expansion card edge connectors that interface to Elevator boards in a Tower system the Primary and Secondary Elevator connectors The Primary Elevator connector comprised of sides A and B is utilized by the TWR MCF51CN while the Secondary Elevator connector only makes connections to ground GND The pinout details for the TWR MCF51CN can be found in the TWR MCF51CN Module Pinout document 3 6 Mechanical Form Factor The TWR MCFSICN is designed for the Freescale Tower system and complies with the electrical and mechanical specification as described in Freescale Tower Electromechanical Specification 4 Jumper Table There are several jumpers provided for isolation configuration and feature selection Refer to the following table for details Table 1 TWR MCF51CN Jumper Table Setting Description Connect to DIP Switch Position 1 PTD7 RGPIO7 SPSCK2 ADP3 Connect to Potentiometer Usage Selection 23 Only connected to Primary Elevator SPI1_ CLK B7 Connect PTE2 KBI2P2 SS2 ADPO
4. Tutorial MCF51CN128 Reference Manual MCF51CN128 Data Sheet AN3561 USB Bootloader for the MC9SO8JM60 3 Hardware Features This section provides more details about the features and functionality of the TWR MCF51CN 3 1 Clocking Three options are provided for clocking the MCF51CN128 device 1 32 768 KHz crystal 2 25 MHz crystal 3 External clock input from Primary Elevator CLOCKINO Selection of the clock input is determined by the J11 and J12 settings The 25 MHz crystal option is selected by default Refer to Table 1 for more details 3 2 System Power The TWR MCF51CN can be powered by the OSBDM circuit via the Mini B USB connector J14 ora Functional Elevator via the Mini B USB connector J5 A standard USB A male to Mini B male cable supplied can be used to supply power from a USB Host or powered USB Hub Optionally an ACto DC adapter with a USB A female receptacle not provided can be used as the power source Power will automatically be sourced from the Elevator connector if power is available on both the Elevator and the OSBDM A jumper J6 can be used to isolate the 3 3V supply from the microcontroller This connection can be used to measure the power usage of the MCF51CN microcontroller 3 3 Debug Interface An on board MC9SO8JM60 based Open Source BDM OSBDM circuit provides a debug interface to the MCF51CN A standard USB A male to Mini B male cable supplied can be used for debugging via the USB connector J14
5. hich MCF51CN pins are using to communicate with the TWR MCF51CN sensors LEDs switches and other I O interfaces Table 2 I O Connectors and Pin Usage Table TWR MCF51CN MCF51CN128 I O Component I O Label Default Function Alternate 1 Alternate2 Alternate 3 Push Button LEDs Pres KBiePs IRO TPMICH2 POETO Skta RS232 CL3232 OSBDM USB to Seria Note Refer to Section 2 3 Pin Mux Controls in MCF51CN128 Reference Manual to configure pin to appropriate alternate function All pins default to Default Function out of reset 6 OSBDM The MC9S08JM60 device used in the OSBDM circuit is pre programmed with OSBDM debugger firmware and a USB Bootloader Jumper J16 determines which application will run following a power TWR MCF51CN User s Manual Page 6 of 7 7 freescale semiconductor on reset If Bootloader Mode is chosen jumper ON J16 the bootloader will be executed allowing in circuit reprogramming of the JM60 flash memory via USB T For details on the USB Bootloader refer to the OSBDM webpage at http www pemicro com osbdm ON 2 freescale simficondu lor Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners Freescale Semiconductor Inc 2011 All rights reserved TWR MCF51CN User s Manual Page 7 of 7
6. to SPl1 CS0 B9 1 2 and IRQ D B59 Connect PTE1 KBI2P1 MOSI2 ADP1 to SPI1 MOSI 3 4 B10 and IRQ C B60 Connect PTEO KBI2PO MISO2 ADP2 to SPI1_MISO Analog Isolation Jumpers B11 and IRQ B B61 OFF setting isolates signals 0 6 from Primary Elevator Connect PTD3 RGPIO3 RXD2 ADP4 to RXD1 A43 Connect PTD2 RGPIO2 TXD2 ADP5 to TXD1 A44 Connect PTD1 RGPIO1 RXD1 ADP6 to RXDO A41 and J10 ae Connect PTDO RGPIOO TXD1 ADP7 to TXDO A42 and J9 1 2 Connect PTH3 FB_D6 TPM2CHO to LED4 3 4 Connect PTE5 KBI2P5 IRQ TPM1CH2 to LED3 Connect PTG5 KBI1P5 FB D3 to LED2 Connect PTE3 KBI2P3 TPM1CHO to LED1 Accelerometer Z axis Ce A ae OE Accelerometer Y axis Er alla X axis MCU Power ON Supply 3 3V to MCU TWR MCF51CN User s Manual Page 5 of 7 amp e oe freescale semiconductor UART TXD1 Routing Selection UART RXD1 Routing Selection Isolate MCU from Power current measurement option Ja 12 Route TXD1 to RS232 transceiver Route TXD1 to OSBDM J10 gt Route RXD1 to RS232 transceiver Route RXD1 to OSBDM 1 2 25MHz Crystal J11 EXTAL Selection 32 768KHz Crystal Fr E CLOCKINO from Primary Elevator B24 XTAL Selection Latch Disabled Latch Enabled 25MHz Crystal MiniBus Latch Enable Bootloader mode 32 768KHz Crystal OSBDM Bootloader Select SEE kro OFF Debugger mode 5 Input Output Connectors and Pin Usage Table The following tables provides details on w
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