Vmechip2 Asic; Pccchip2 Asic; Bus Transfers - Motorola MVME167 Series Installation Manual

VMEchip2 ASIC

Provides the VMEbus interface. The VMEchip2 includes:
Processor-to-VMEbus
VMEchip2 DMA to the
VMEbus

PCCchip2 ASIC

The PCCchip2 ASIC provides two tick timers and the interface to
the:
Two tick timers
A watchdog timer
Programmable map decoders for the master and slave
interfaces, and a VMEbus to/from local bus DMA controller
A VMEbus to/from local bus non-DMA programmed access
interface
A VMEbus interrupter
A VMEbus system controller
A VMEbus interrupt handler
A VMEbus requester.
Table 2-2. Bus Transfers
Transfer type
LAN chip
SCSI chip
Serial port chip
Printer port
BBRAM
Board Level Overview
Can be...
D8, D16, or D32
D16, D32, D16/BLT,
D32/BLT, or D64/MBLT
2
2-9