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MOTOROLA MVME147S-1｜VMEbus 32-bit Single Board Computer｜

MOTOROLA MVME147S-1｜VMEbus 32-bit Single Board Computer｜illustration

1. Processor and Floating Point
CPU: Motorola MC68040 32-bit（
Main frequency: 25-40 MHz (commonly 33 MHz)
FPU: Built in MC68040 hardware floating-point unit (FPU), no need for external MC68882
MMU: Built in, supports virtual memory, address protection, and memory management
2. Memory system
DRAM: Maximum 64-128 MB (regular version MVME147 maximum 32 MB), with programmable memory parity check
NVRAM：2–4 KB SRAM， Battery backup, saving configuration/status
Flash/EPROM: 8 MB boot Flash+32 MB extended Flash (or 4 MB EPROM), fixed 147Bug monitoring program
3. Bus and high-speed interface
VMEbus: A32/D32 master/slave mode, supports system controller (jumper)
SCSI-1: WD33C93B controller with DMA
Ethernet: AM7990 (Lance) 10Mbps, AUI interface
Extension: Supports PMC extension (partial versions)
4. I/O and peripherals
Serial port: 4 RS-232 (Z8530)
Parallel port: 1 Centronics parallel port
Timer: 2 16 bit programmable timers+1 watchdog
RTC: Real time clock/calendar, battery backup
Status: 4 LEDs (SCON/RUN/FAIL/STATUS)+RESET/Abort buttons
5. Physics and Electrical
Size: VME double height and single width (233.4 × 160.0 × 19.8 mm)
Power supply:+5V (maximum 5.0A), ± 12V
Environment: Industrial grade, working temperature -20 ° C to+70 ° C (ordinary version 0 ° C to+55 ° C)
MTBF: Approximately 200000+hours