COM3 and COM4 Asynchronous Serial Ports | Motorola IH5, MCPN750A

Preparation

COM3 and COM4 Asynchronous Serial Ports

The signals for COM3 and COM4 serial ports are routed to headers on the TMCPN710 Transition Module. These headers are intended for debug purposes only. Figure 1-5 depicts this configuration.

1

MCPN750A	TMCPN710
16C550		J11
16C550
SOUT		3
SIN		5
RTS		7
CTS		9
DTR		14
DCD		15
DSR	J3	11
RI		18
IO	IO	13
MUX	MUX
16C550		J14
		J14
RI		18
DSR		11
DCD		15
DTR		14
CTS		9
RTS		7
SIN		5
SOUT		3
		13
Figure 1-5. TMCPN710 Serial Ports 3 and 4

Com3

Header

Com4

Header

2363 9808

http://www.motorola.com/computer/literature

1-15

Image 35

Motorola IH5, MCPN750A manual COM3 and COM4 Asynchronous Serial Ports, TMCPN710 Serial Ports 3

Contents

Installation and Use Page Safety Summary Flammability CE Notice European Community Limited and Restricted Rights Legend Contents Startup and Operation Cnfg and ENV Commands Connector Pin Assignments Appendix a Xii List of Figures Xiv List of Tables Xvi Part Number Description About This Manual Summary of Changes Overview of Contents Comments and Suggestions Bold Conventions Used in This Manual Product Description Block DiagramIntroduction MCPN750A Baseboard Block Diagram Startup Overview Overview of Start-up ProcedureGetting Started Equipment Required Using PPCBug Unpacking Instructions ESD Precautions MCPN750A Baseboard Preparation Hardware ConfigurationPreparation Flash Bank Selection J7 Stand-Alone Operating Mode J8 LEDs System Considerations TMCPN710 Transition Module Preparation TMCPN710 Connector and Header Locations Serial Ports 1 MCPN750A/TMCPN710 Serial Ports 1 TMCPN710 Serial Ports 3 COM3 and COM4 Asynchronous Serial Ports TM-PIMC-0001 Transition Module Preparation TM-PIMC-0001 Connector and Header Locations J11 COM1 and COM2 Asynchronous Serial Ports MCPN750A/TM-PIMC-0001 Serial Ports 1 TM-PIMC-0001 Serial Ports 3 Installing PMC Modules on the MCPN750A SBC Hardware Installation PMC Module Placement on MCPN750A Hardware Installation Installing the MCPN750A Baseboard Hardware Installation Installing PIMs on the TM-PIMC-0001 Transition Module Installing a TMCPN710 or TM-PIMC-0001 Transition Module 10. Installing a PIM on the TM-PIMC-0001 Transition Module Installing the Transition Module in the Chassis Hardware Installation 11. TMCPN710 or TM-PIMC-0001/MCPN750A Mating Configuration Voltage Current Available to PMCs & Transition Modules MCPN750A Module Power RequirementsPage Startup and Operation Applying Power PPCBug System Startup Processor Memory Map Default Processor Memory MapProcessor Default View of the Memory Map Memory Maps PCI Local Bus Memory Map Address Decoding with CompactPCI Memory Map PCI Host Bridge L2 CacheSystem Clock Generator PPC Bus Arbitration Memory Maps Interrupt Handling PCI Arbitration ISA DMA Channels Sources of Reset Asic Classes of Reset and Effectiveness CompactPCI Reset RST# Power-On ResetUndervoltage Reset Front Panel Push Button Reset Processor/Memory Domain Endian IssuesSoftware Resets Reset Source Identification PCI Domain Role of the Raven AsicPage PPCBug Basics PPCBug Overview PPCBug PPCBug Implementation MPU, Hardware, and Firmware InitializationMemory Requirements Nvram Using PPCBug Debugger Commands Command Description Debugger Commands Forkwr Menu Time Diagnostic Tests Test Set Description Diagnostic Test Groups PPCBug Overview Cnfg and ENV Commands 0XX Cnfg Configure Board Information Block ENV Set Environment Configuring the PPCBug Parameters Wide Scsi 16-bit bus Narrow Scsi 8-bit bus. Default Nvram Bootlist GEV.fw-boot-path Boot Enable Y/N = N? Default = $00 ROM Boot Enable Y/N = N? Network Auto Boot Controller LUN = 00? Default Starting Address is $00000000 Dram Parity Enable On-Detection/Always/Never O/A/N = O? Seconds LO, TA, VE Overview Remote Start Via the PCI Bus Remote Start Via the PCI Bus Register description continues Command/response Register Description Remote Start Via the PCI Bus Opcode 0x02 Initialize Memory Opcode 0x01 Write/Read Virtual Register Opcode 0x04 Checksum Memory Opcode 0x03 Write/Read Memory Opcode 0x07 Execute Code Opcode 0x05 Memory Size QueryOpcode 0x06 Debugger Query Command/Respond Error Codes Command/Response Channel Error Codes MCPN750A target Console Demonstration of the Host Interface MCP750 host Console PPC1-Bugm 8000EFC4cr Return *CRC data Unsigned int Sromcrcelementsp, elementsn Reference Function sromcrc.c Introduction Page Feature Description FeaturesMCPN750A Features General Description 1is a block diagram of the MCPN750A’s overall architecture Block Diagram MCPN750A Block Diagram CompactPCI Bus Interface Ethernet Interface Mezzanine Type PMC ConnectorsSignalling Voltage PCI Mezzanine Interface Asynchronous Serial Ports Configuration and Status RegistersISA Bus Devices Serial Eeprom ISA Interface PCI Peripheral Bus Controller PBC ISA DMA Channels Eide InterfaceUSB Interface ISA Interrupt Controller Interval Timers Real-Time Clock/NVRAM/Watchdog Timer Function Replacing Lithium Batteries Use ESD Wrist Strap Hot Swap Control Circuitry Programmable TimersRaven General Purpose Timers M48T559 Watchdog Timer Raven Watchdog Timers Serial Port Signal Multiplexing Serial Port Signal Multiplexing Signal Multiplexing Iomx From MCPN750A From TMCPN710 & TM-PIMC-0001 Multiplexing Sequence of the MX Function MX Signal Timings Signal Descriptions Abort ABT/RESET RST Switch S1 Flash Memory Front Panel Indicators DS1 DS3MPC750 Processor Raven PCI-Host Bridge JTAG/COP Bank a Flash Programming Enable Compact Flash Memory Card ECC Memory ControllerDram Memory TM-PIMC-0001 TMCPN710 Transition Module Functional Description MCPN750A and Transition Module Connectors Connector Pin Assignments MCPN750A J1 CompactPCI Connector MCPN750A Connector Pin AssignmentsMCPN750A CompactPCI Bus Connectors J1/J2 MCPN750A J2 CompactPCI Connector MCPN750A CompactPCI User I/O Connector J3 Signal Descriptions MCPN750A J3 User I/O Connector MCPN750A Connector J4 MCPN750A J5 User I/O Connector MCPN750A CompactPCI User I/O Connector J5 Signal Descriptions MCPN750A PCI Mezzanine Card Connector +5V Vio AD03 Not Used AD02 AD01 AD12 AD11AD10 AD09 +5V AD08 +3.3V BE0# AD07 Not Used AD06 AD05 +3.3V AD04 PMCIO35 PMCIO36 MCPN750A 10BaseT/100BaseTx Connector J18 MCPN750A 10BaseT/100BaseTx Connector J18MCPN750A Debug Connector J19 MCPN750A Debug Connector J19 107 101103 105 125 120121 122 123 124 156 153154 155 MCPN750A RISCWatch Debug Connector J6 MCPN750A Processor RISCWatch Debug Connector J6 TMCPN710 Transition Module TMCPN710 Transition Module CompactPCI Connectors J3/J4/J5 10. TMCPN710 COM1 Connector J6 TMCPN710 Transition Module COM1 Connector J6 12. TMCPN710 COM3/COM4 Headers TMCPN710 Transition Module COM2 Connector J811. TMCPN710 COM2 Connector J8 TMCPN710 Transition Module COM3 Header J11 TMCPN710 Transition Module COM4 Header J14 13. TMCPN710 10BaseT/100BaseTx Connector J13 TMCPN710 Transition Module 10BaseT/100BaseTx Connector J13 15. TMCPN710 USB 1 Connector J12 TMCPN710 Transition Module USB Connectors J10, J1214. TMCPN710 USB 0 Connector J10 16. TMCPN710 Compact Flash IDE Connectors Pin Signal TMCPN710 Transition Module PMC I/O Connectors J1/J217. TMCPN710 PMC 1 and 2 I/O Connector 17. TMCPN710 PMC 1 and 2 I/O Connector TM-PIMC-0001 Transition Module TM-PIMC-0001 CompactPCI User I/O Connector J3, J4, & J5 18. TM-PIMC-0001 COM1 Connector J9 TM-PIMC-0001 Transition Module COM1 Connector J9 19. TM-PIMC-0001 COM2 Connector J8 TM-PIMC-0001 Transition Module COM2 Connector J8 20. TM-PIMC-0001 COM3 and COM4 Headers 21. TM-PIMC-0001 10BaseT/100BaseTx Connector J7 22. TM-PIMC-0001 CompactFLASH IDE Connector J1 J10 J20 Reserved12V DD10 J14/J24 TM-PIMC-0001 Transition Module Page Characteristics Specifications SpecificationsTable A-1. MCPN750A Specifications Cooling Requirements EMC Compliance Specifications Computer Group Literature Center Web Site Document Title Publication Number Motorola Computer Group DocumentsTable B-1. Motorola Computer Group Documents Document Title and Source Publication Number Manufacturers’ DocumentsTable B-2. Manufacturers’ Documents Manufacturers’ Documents Table B-3. Related Specifications Related Specifications Related Specifications Table B-3. Related Specifications Index COM2 IN-3 IN-4 LED PMC Prst Romfal IN-9 IN-10