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CMD-5xx 08/07/02

14

Communication Ports

The CMD-5xx board provides interfaces for up to 4 SCI serial ports, 3 TouCan ports and a DLC/J1850 port. COM-1 and COM-2
serial ports with female DB9 connectors are available for RS232 operation of host MPC5xx SCI A channels 1 and 2. COM-3 and
COM-4 serial ports with 10 pin IDC to DB9 connector headers are available for RS232 operation of host MPC5xx SCI B channels
1 and 2 if available. All COM ports provide the following standard pinout in a standard female 9 pin serial connector (DB9-S):

Pin 1, 4, and 6 = connected for DTR/DSR flow control null
Pin 2 = TXD output (RS232 level)
Pin 3 = RXD input (RS232 level)
Pin 5 = Ground/Vss/Common
Pin 7 and 8 = connected for RTS/CTS flow control null
Pin 9 = open

Notes:

1.

All COM ports provide connection pads so that flow control signals may be applied by user modification. Each connection
pad is numbered for the associated serial connector pin. Each connection pad can be isolated from the others in it's group
by cutting the associated trace on the bottom side of the board.

2.

COM-2 has a DCE/DTE option, see below.

COM_SWITCH - Serial Port Configuration

The

COM_SWITCH

provides a means of isolating the individual SCI RXD and TXD signals from the RS232 interface translator

device (U31). This allows the SCI channels to be used for other purposes. In conjunction with the

COM_PORT

header, additional

signals can be applied to the RS232 interface translator. Following is a table of the SCI signals and switch positions used for
enabling RS232 operation.

Switch Position and

default condition

SCI Channel Signal

RS232 COM Port Connection

COM_PORT Signal Direction to RS232

interface translator

1 – On

SCI_A_ TXD1

COM-1

Output

2 – On

SCI_A_ RXD1

COM-1

Input

3 – On

SCI_A_ TXD2

COM-2

Output

4 – On

SCI_A_ RXD2

COM-2

Input

5 – Off

SCI_B_ TXD1

COM-3

Output

6 – Off

SCI_B_ RXD1

COM-3

Input

7 – Off

SCI_B_ TXD2

COM-4

Output

8 – Off

SCI_B_ RXD2

COM-4

Input

JP1 – COM-2 DCE/DTE Option

COM-2 is optioned as a DCE type RS232 connection by default (same as COM-1). This allows direct connection to a
standard PC serial port.

COM-2 DTE option. This requires a NULL modem adapter to connect to a standard PC com port.

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Summary of Contents for CMD-5 Series

Page 1: ...ontrollers Versions CMD 555 CMD560 566 Users Manual Axiom Manufacturing 2000 2813 Industrial Lane Garland TX 75041 972 926 9303 FAX 972 926 6063 email support axman com web http www axman com This datasheet has been downloaded from http www digchip com at this page ...

Page 2: ...11 CFG_EN Jumper 11 MEMORY DEVICE BANK SELECTION AND CONFIGURATION 12 Memory Bank Chip Select Configuration 12 MAP_SW Ram Bank and Flash Bank Options 12 MEM_EN Jumper 13 MEM_OPT Jumper 13 MEM_VOLT Jumper 13 PRU_EN Jumper 13 COMMUNICATION PORTS 14 COM_SWITCH SERIAL PORT CONFIGURATION 14 JP1 COM 2 DCE DTE Option 14 DATA LINK CONTROLLER J1850 15 CAN INTERFACE AND OPTIONS 15 LCD PORT AND KEYPAD KEY PO...

Page 3: ...aces Port Replacement Unit Keypad and LCD Module support Serial Cable Wall Plug power source printed hardware manual and the UTL5xx CD with programming utilities support software and technical manuals Applications developed on the CMD 5xx are directly portable to the PMP xxx peripheral support boards for in system industrial control solutions Specifications Clock 50 MHz Maximum Operating temperatu...

Page 4: ...or MPC5xx ports on a 44 pin header QSM Ports 2 Serial I O ports with 16 pin socket headers MIOS Port MDA PWM and MGP timer or I O interface with 34 pin socket header TPU Ports 3 Timing Processor I O ports with 20 pin socket headers QADC Ports 2 Analog I O ports one 20 pin and one 24 pin socket header INT Port Interrupt or MPC5xx SGP port I O with 10 pin header POWER Port Primary and standby power ...

Page 5: ...ges and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that Axiom Manufacturing was negligent regarding the design or manufacture of the part or system EMC Information on CMD565 1 This product as shipped from the factory with associated power supplies an...

Page 6: ...if everything is working properly you should see the main utilities menu similar to the following AXIOM CMD 5XX UTILITIES 1 Debug Monitor 2 On Chip CMFI Flash Programming 3 External Flash Programming 4 Test Hardware Select Your board is now ready to use If you do not see the monitor prompt press then release the RESET button on the board If still no go or if the text is garbage see the TROUBLESHOO...

Page 7: ... done by typing commands into the terminal program on the PC Type help and hit enter for a complete list of available commands You can experiment with some of the commands like reading MD and modifying MM memory Make sure you re modifying memory that is mapped to valid addresses or the monitor program will hang or throw an exception You may then have to RESET the board to get the monitor back Inte...

Page 8: ... to the board If you have problems uploading try adding a pacing delay 8 After all lines from the file have been programmed the words programmed are displayed along with any errors followed by the menu again Now the hello world program is at address 0xC00000 the current location of onboard flash however it is linked to be run from 0x400000 since this is the address the program assigns to the CS0 b...

Page 9: ...0 3 can be changed by your software to map the external memory in different locations but the chip select configuration for each memory type should be maintained Possible Chip Select usage Synchronous SRAM Memory Bank CS0 CS1 CS2 or CS3 default CS1 Burstable Flash Memory Bank CS0 CS1 or CS2 default CS2 Port Replacement Unit CS2 or CS3 default CS3 MEM Sockets Bank CS0 CMD 5xx Default Memory Map Int...

Page 10: ... will provide voltage level of 5V high refer to MPC5xx technical data for host PRU I O port input voltage levels are tolerant of 5V signals The PRU register operation and memory map closely follows the MPC5xx I O port data and direction registers located at internal addresses 2FC024 2FC02F Following is the memory map of the PRU PRU Offset Address Register Name Register Information Port 0x0000 LCD ...

Page 11: ... 5 ATWC Address Type Write Enable Pins Configuration Off WE BE 0 3 6 7 EBDF External Bus Division Factor Off Equal to CLKOUT 8 Reserved Future Use Off Mode Switch 3 Control Register Bit Reset Function Default Position 1 PRPM Peripheral Mode Enable Off Not Peripheral 2 3 SC 0 1 Single Chip Select Off On 16 bit bus On Off Single chip w Show cycles On On Single Chip Off Off 32 bit bus 4 ETRC Exceptio...

Page 12: ...800003 Base Address 0x800000 Port width 32 bit FIXED Default RAM asynchronous mode ORx 0xFFC0000 Memory Range 0x400000 wait state 0 or 1 Note asynchronous operation requires 1 wait state no matter clock frequency on rev C CY1339 devices RAM burst mode ORx TBD TBD Flash 32 bit port asynchronous BRx 0x00C00003 Base address 0xC00000 Port width 32 bit Default MAP_SW 8 off Flash 16 bit port asynchronou...

Page 13: ...ms Both 5v and 3 3V versions can be used MEM_VOLT Jumper The MEM_VOLT option jumper determines the MEM Sockets device operating voltage This should be set to the voltage required for the device s installed in U15A B and U16 The device must be compatible with the bus voltage level of the installed MPC5xx or damage to the MPC5xx can occur 1 2 3 Position 1 2 MEM U15 U16 devices are 5V operation Defau...

Page 14: ... group by cutting the associated trace on the bottom side of the board 2 COM 2 has a DCE DTE option see below COM_SWITCH Serial Port Configuration The COM_SWITCH provides a means of isolating the individual SCI RXD and TXD signals from the RS232 interface translator device U31 This allows the SCI channels to be used for other purposes In conjunction with the COM_PORT header additional signals can ...

Page 15: ...inimum slew rate fast edge and enables the output of the respective transceiver Opening the option disables transceiver output to the CAN bus With the option jumper removed Pin 2 of the option header can be connected by the user to an available I O port for software control of transceiver output active low Slew rate can be increased if necessary to reduce switching noise by increasing the value of...

Page 16: ...U is as follows LCD Keypad Memory Map 0x0000 LCD_PORT Command Register 1 for up to 80 character display 0x0001 LCD_PORT Display Data Register 1 for up to 80 character display 0x0002 LCD_PORT Command Register 2 for graphic or 160 character display 0x0003 LCD_PORT Display Data Register 2 for graphic or 160 character display 0x0004 Keypad KEY_PORT key data Read Only 0x0005 Keypad KEY_PORT key data Re...

Page 17: ...for programming CMF flash Boot Block OFF VPP disabled PM 555 6 Hardware Options VDDSRAM Voltage Source Option VDDSRAM is connected to the 3 3V supply on the PM 555 board by a zero ohm resistor R11 To apply a different supply for the VDDSRAM pin the R11 resistor should be removed and the CMD 555 POWER_PORT connection can be used for applying the new voltage source VDDSYN Voltage Source The VDDSYN c...

Page 18: ...he VDDSYN connection KAPWR Voltage Source The KAPWR connection to the MPC561 4 provides CUT AWAY pad 1 for isolation to apply a different voltage source for low power back up operations 1 CUT AWAY pad should be cut and the new source applied to the CMD561 4 POWER_PORT pin for the KAPWR connection VRH and VRL QADC Reference Supplies CUT AWAY pads 4 and 5 provide isolation of VRH and VRL reference s...

Page 19: ...emoved to apply an external reference voltage to the CMD561 4 QADC_A Port EPEE and BOEPEE CUTAWAY 3 The PM565 6 board has the EPEE and BOEPEE signals connected by CUT_AWAY pad 3 This connection is for NEXUS port programming of the CMFI flash This connection will cause the CONFIG_SW position 5 or 6 to enable both signals If this operation is not desired by the user cut the CUT AWAY 3 pad to isolate...

Page 20: ... a strait through serial cable such as the one provided 8 If you get an exception error or if your program hangs or appears to jump out into unused memory it is usually caused by trying to access un mapped or improperly configured memory addresses Look at the Memory Map page of this manual for the default memory map as set by the monitor program Memory device location and address range is all conf...

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