Kontron VM62 - Manual (Page 14)

Chapter 1 Introduction VM62(A) / VM42(A) User’s Manual
Ethernet Interface (SI-10B2, SI-10B5, SI-10BT)
Three different piggybacks complete with all the associated control logic are available providing 10Base5, 10Base2 or
10BaseT interfaces.
Note
The SI-10B5 piggyback requires an external +12V power source to operate.
Fieldbus Interface (SI-PBPRO)
This is a fully optoisolated RS485 (PROFIBUS) interface piggyback with a 9-pin D-Sub connector.
RS232 Serial Interface
Two piggybacks are available with RJ45 connectors for MODEM compatible communication.
AutoBahn Interface (MP-AB100)
This is realised via a piggyback containing all the necessary control logic, 128 kByte high speed SRAM (10 ns) as a
memory buffer between the processor and the AutoBahn chip (MC 100SX1451) for communication on the high speed
serial data lines over pins b21 and b22 of the VMEbus.
DMA Channels
2 independent channels are provided by the ‘QUICC’ chip and can be used by applications requiring data transfer between
CXC-modules, DRAM, FLASH memory, dual-ported SRAM and AutoBahn memory buffers. This memory can be
configured with different memory options allowing tremendous flexibility when customising memory requirements for
real-time applications.
DRAM/FLASH
This memory, complete with a 32 bit data wide access bus is placed on a piggyback with addressing capability for up to
two memory banks of 64 MByte each. On-board +5V FLASH memory provides the latest ROM technology allowing the
user to take advantage of the on-board programming facility to produce low cost upgrades by simply overwriting existing
stored data.
S R A M
This is a dual-ported battery-backed (Gold-Cap) memory area with a 16 bit data wide access bus. Users of the VMEbus
and the on-board CPU both have access to this memory. The lower 8 kByte are reserved for the location monitor.
EEPROM
Although a 2 kbit EEPROM is provided on-board, 1 kbit has been pre-programmed with PEP production data (boot info,
Ethernet registration, etc) leaving the remaining 1 kbit for user application code. A write protect jumper prevents
accidental erasure.
Page 1-8 © 1995 PEP Modular Computers May 17, 1996