Description
The operational procedures for the Motorola MVME6100 Single Board Computer with PMCSPAN MV6100COMI Module
1. Pre-Operation Requirements
Critical Preparations:
- Discharge VMEbus chassis (ANSI/VITA 1.1 ESD protection)
- Verify components:
- Baseboard: MVME6100-0163 (or later)
- PMC module: MV6100COMI Rev. F+
- Firmware: PPCBug ≥ v7.1
- Tools: Torx T10 driver, VMEbus extender card
2. Hardware Configuration
graph TD
A[Power Off Chassis] --> B[Install MV6100COMI to PMCSPAN Site]<br/>B --> C[Align PMC J1/J2 connectors]<br/>C --> D[Apply 5kg uniform pressure]<br/>D --> E[Secure with captive screws: 0.6 N·m]
E --> F[Jumper Settings]:<br/>• JP6: PCI-X Mode<br/>• JP8: +3.3V I/O Enable
Slot Requirements:
- Must occupy VMEbus slot 1 (system controller position)
- Airflow: ≥200 LFM front-to-back cooling
3. Firmware Initialization
Serial Console Setup (115200 8N1):
- Power on chassis
- At
PPC1-Bug>prompt:textCopy CodePCI_SHOW -V # Verify MV6100COMI detection
ENV -GET PCI* # Confirm PCI memory mapping
- Configure PMCSPAN resources:
textCopy Code
PCI_CFG -W 0x0C 0x05 -B 0 -D 0 # Enable I/O space
MM -W 0xFEC00000 0x00001000 # Map BAR0 to 4KB window
4. MV6100COMI Register Programming
Memory-Mapped I/O Access:
// Set RS-232 mode (Port 0)
*(volatile uint32_t*)(COM_BASE + 0x10) = 0x80; // Line Control
*(volatile uint32_t*)(COM_BASE + 0x00) = 0x000C; // Divisor Latch (9600 baud)
*(volatile uint32_t*)(COM_BASE + 0x10) = 0x03; // 8N1
Note: MV6100COMI uses National Semiconductor 16550-compatible UARTs
5. Diagnostics & Testing
Built-in Self Test (BIST):
PPC1-Bug> TEST -B MV6100COMI
▶ Performing:
- UART loopback test (Channel 0-3)
- FIFO threshold verification
- Interrupt latency check
Pass Criteria:
- LED DS1 (green) steady on
- BIST error code ≤ 0x001F (per VITA 31.1)
6. Operating System Integration
VxWorks 6.9 Configuration:
/* In config.h */
# Load driver
ld < vxComLib.o
iosDevCreate "/tyCo/", 0, 0, 0, COM_TTY_CHANNELS
7. Critical Warnings
- Voltage Tolerance:
- PMCSPAN 3.3V rail must not exceed ±8% variance
- Hot-Swap Prohibition:
- Never insert/remove module while powered (VITA 31.1 non-compliant)
- ESD Sensitivity:
- Handle only by conductive edges (Class 1B per ANSI/ESD S20.20)
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