Download User Manual - Hytec Electronics Ltd

VUC3150USB
VME64x/VME to USB2.0
Controller
Version 1.23
17 Appendix
17.1 Protocol
17.1.1 Transfer Write Access
Request (from USB)
Confirmation from SIS3150 to USB
Bit 31
Bit 0
REQUEST
SPACE
CTRL
Header (0xAAAA)
[3:0]
[11:0]
Address modifier
BC
(VME only)
(byte count, max.32768)
Bit 31
Bit 0
(Start) address A31-0
- VME: Byte Address;
- Register and TS-BUS: LWORD Address
Datum 1
Datum 2
.......
datum n
In case of no Error
No Confirmation: Read Request Length = 0
(PKTEND generated)
In case of Error
Page 62 of 68
CONFIRM
STATUS
BC
Header
(0xEE)
[7:0]
(byte count, max.32768)
[15:0]