80ksbr200 Integrated Device Technology, 80ksbr200 Datasheet - Page 106

• 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
8.5.6 Missing 2 Packet Flag Register
this register is read and cleared, the “Missing Packet Address Logging Register 1” will also be cleared.
8.5.7 FIFO Empty Flag Register
Note:
Note:
Name:
Name:
If missing 2 packet is turned on and two or more packets are missing, the flags of this register will be used. Note that If
If this register generates an sRIO packet, the packet will be a doorbell.
If this register generates an sRIO packet, the packet will be a doorbell.
#
0
7-1
8
9
11-10
15-12
23-16
31-24
39-32
47-40
55-48
63-56
#
0
1
2
3
7-4
0)
1)
0)
MISS2_PKT_FLAG
MISS2_PKT_MASK
FIFO_EMPTY_FLAG
FIFO_EMPTY_MASK
Signal
MISSIN2
-
TT
WR32
PRIO
-
DESTID
DESTID
MASK
-
MASK
MASK
Signal
EF
PAE
PR
W
-
Memory Stop - The sRIO memory address has incremented to or beyond the stop address. This flag may
be used to send a doorbell if the address reaches the stop address (triggering the flag condition), the flag
will remain active until software writes a “1” to clear the flag.
Tally1 - The packet tally counter will wrap. If the user whishes to know it wrapped, the flag may be used.
Missing 2 - If two or more packets are missing, they cannot be replaced. This flag indicates that a
catastrophic error has occurred in the PPS application.
Stat
CL
RW
RW
RW
RW
RW
RW
RW
RW
Stat
RT
RT
RT
RT
Description
Two or more sRIO packets were detected as missing
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 Doorbell Mask
Unused bits
Interrupt 0 Mask
Interrupt 1 Mask
Description
Queue 0, Empty Flag
Queue 0, Programmable Almost Empty
Queue 0, Packet Ready
Queue 0, Waterlevel Exceeds Packet Count
Reserved
106 of 172
Table 90 FIFO Queue Empty Flag Register
Address:
Address:
Table 89 Missing Packet Flag Register
0x19C50
0x19D10
0x19C60
0x19D20
Advanced Datasheet*
March 19, 2007