36 PPC11A 6U VME Single Board Computer
Publication No. PPC11A-HRM/1
4.9
VME Interface
The PPC11A uses an IDT Universe II PCI-to-VME bridge, accessed from the
processor PCIe interface via a Pericom PI7C9X110B PCIe to PCI bridge, to provide a
full master/slave VME interface.
The Universe IID is compliant with the following standards:
•
American National Standard for VME64 (ANSI/VITA 1.0 - 1994 (R2002))
•
American National Standard for VME64 Extensions (ANSI/VITA 1.1 - 1997)
•
Full VMEbus system controller functionality
•
Interrupt and Interrupt handling capability
•
DMA controller
4.9.1 VMEbus Compliance
Table 4-6 VMEbus Compliance
Component
Description
Master:
A16, A24, A32 and A64
D08(EO), D16 and D32 Single Cycle Transaction (SCT)
D08(EO), D16 and D32 Read Modify Write Transaction (RMW)
D16 and D32 Block Transaction (BLT)
D64 Multiple Block Transaction (MBLT)
Slave:
A16, A24, A32 and A64
D08(EO), D16 and D32 Single Cycle Transaction (SCT)
D08(EO), D16 and D32 Block Transaction (BLT)
D64 Multiple Block Transaction (MBLT)
Interrupt Handler:
IH(1-7)
D08(O)
Interrupter:
I(1-7)
VMEbus Arbiter:
SGL, RRS, PRI
VMEbus Requester:
ROR, RWD
Bus Time-out Module:
Disable, 16, 32, 64, 128, 256, 512, 1024
µ
s
Other Slot 1 Functions
IACK~ daisy chain driver
SYSCLK driver
First slot detector
Auto Slot ID:
VME64 specified mode or Geographical Addressing via P1 connector