80ksbr200 Integrated Device Technology, 80ksbr200 Datasheet - Page 96

• Manufacturer Part Number: 80ksbr200
• Description: Srio Serial Buffer Flow-control Device
• Manufacturer: Integrated Device Technology

„2005 Integrated Device Technology, Inc. All rights reserved. Advanced Datasheet for informational purposes only. Product specifications subject to change without notice.NOT AN OFFER FOR SALE The information presented herein is subject to a
Non-Disclosure Agreement (NDA) and is for planning purposes only. Nothing contained in this presentation, whether verbal or written, is intended as, or shall have the effect of, a sale or an offer for sale that creates a contractual power of acceptance.
IDT 80KSBR200
Notes
tical to the START ADDRESS. The address will increment by the quantity of data transmitted with every packet. The NEXT
ADDRESS will not rise beyond the STOP ADDRESS. If the Wrap or Stop bit in the following register is set to WRAP, the
NEXT address will reset to the START ADDRESS whenever STOP ADDRESS has been hit. If the wrap occurs in the
middle of the packet, the NEXT ADDRESS will increment after the reset to indicate how much of the tail of the packet was
written after the wrap.
Case Scenario Stop Address Register
cases the packet length may cause a write to an address higher than this value, in case of an overflow. The START
ADDRESS and STOP ADDRESS should be identical if the user does not want the address issued in the packet header to
increment.
Case Scenario Frame Register
Name:
Name:
Name:
The current value for the ADDRESS. Whenever a new case scenario is programmed, this value will be set to be iden-
The final incremental address for writing. The higher address may be included in the sRIO packet header, but in some
Bit
30:0
31
Bit
30:0
31
Bit
9:0
14:10
15
23:16
27:24
28
CS0_NEXT_ADDR
CS0_STOP_ADDR
CS0_FRAME_REG
Field Name
NEXT_ADDR
-
Field Name
STOP_ADDR
-
Field Name
FRAME_SIZE
FRAME_OFFSET
TALLY_FLAG
FRAME_COUNT
-
MEM_WRAP_STP
Type
RW
Type
RW
Type
RW
RW
RW
RW
RW
Table 66 Case Scenario Next Address Register
Table 67 Case Scenario Stop Address Register
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Table 68 Case Scenario Frame Register
Address:
Address:
Address:
Reset
Value
31h0
0
Reset
Value
31h0
0
Reset
Value
10h0
5h0
1b0
8h0
0
1b0
0x18408
0x1840C
0x18410
Comment
Next Address:
Current memory address for sRIO
Reserved
Comment
Stop Address:
Maximum memory address for sRIO
Reserved
Comment
Frame size
Frame Offset:
Offset on first count
Set Tally Flag:
1 = Send doorbell to Dest ID on count = size
Frame Count:
Counts frame, reset on doorbell
Reserved
Memory Wrap or Stop:
Stop or Wrap on STOP Address
Advanced Datasheet*
March 19, 2007