80ksbr200 Integrated Device Technology, 80ksbr200 Datasheet - Page 107

• 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
8.5.8 FIFO Full Flag Register
Note:
Name:
If this register generates an sRIO packet, the packet will be a doorbell.
#
8
9
11-10
15-12
23-16
31-24
39-32
47-40
55-48
63-56
#
0
1
2
7-3
8
9
11-10
15-12
23-16
31-24
39-32
47-40
55-48
63-56
0)
1)
2)
3)
7-4)
FIFO_FULL_FLAG
FIFO_FULL_MASK
Signal
TT
WR32
PRIO
-
DESTID
DESTID
MASK
-
MASK
MASK
Signal
FF
PAF
SA
-
TT
WR32
PRIO
-
DestID
DestID
MASK
-
MASK
MASK
EF = No data remains in queue
PAE = Programmable on 1/256
PR = Full packet ready for reading, reading one byte or more will kill flag
W = Waterlevel is at or past the watermark (either byte or packet count)
Res = Reserved bit
Stat
RW
RW
RW
RW
RW
RW
RW
RW
Stat
RT
RT
RT
RW
RW
RW
RW
RW
RW
RW
RW
Description
Defines whether the sRIO doorbell is an 8 or 16 bit destination ID
0 = Write 8 bits (clear flags only), 1 = Write 32 bits (write new dest IDs)
Priority for Doorbell packet
Unused bits
Destination ID for sRIO Doorbell
Destination ID for sRIO Doorbell, for 16 bit extension
S-Port Doorbell Mask
Unused bits
Interrupt 0 Mask
Interrupt 1 Mask
Description
Queue 0, Full Flag, Incoming packet rejected
Queue 0, Programmable Almost Full
Queue 0, One or more Max Sized Packet Space Available
Reserved
Defines whether the sRIO doorbell is an 8 or 16 bit destination ID
0 = Write 8 bits (clear flags only), 1 = Write 32 bits (write new dest IDs)
Priority for Doorbell packet
Unused bits
Destination ID for sRIO Doorbell
Destination ID for sRIO Doorbell, for 16 bit extension
S-Port 1 Doorbell Mask
Unused bits
Interrupt 0 Mask
Interrupt 1 Mask
107 of 172
Table 90 FIFO Queue Empty Flag Register
Table 91 FIFO Queue Full Flag Register
Address:
th
portions of queue memory
0x19C64
0x19D24
Advanced Datasheet*
March 19, 2007