PM8610-BIAP PMC [PMC-Sierra, Inc], PM8610-BIAP Datasheet - Page 239
PM8610-BIAP
Manufacturer Part Number
PM8610-BIAP
Description
SBS Telecom Standard Product Data Sheet Preliminary
Manufacturer
PMC [PMC-Sierra, Inc]
Datasheet
1.PM8610-BIAP.pdf
(338 pages)
- Current page: 239 of 338
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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000168, Issue 3
RX_TIMEOUT_VAL[1:0]
00
01
10
11
RX_TIMEOUTE
RX_THRESHOLD_VAL[2:0]
RX_TIMEOUT_VAL[1:0]
Writing a logic one to the RX_TIMEOUTE bit enables the generation of an interrupt when
RX_TIMEOUTI is a logic one.
Variable Threshold dictates the minimum number of messages required to be in the RXFIFO
before an interrupt is generated. ‘000’ = 1 message ‘111’ = 8 messages.
These bits specify a variable delay, relative to a read from the receive message FIFO, in steps
of 125 us, before an interrupt is generated, if the Receive FIFO level is greater than 0. The
objective is to stop stale messages collecting in the RXFIFO.
RX_THRESHOLD_VAL[2:0]
000
001
010
011
100
101
110
111
Nominal
Delay In
Frames
1
2
3
4
Minimum
Delay from
Message
Reception
152us
277us
402us
527us
Messages
1
2
3
4
5
6
7
8
Maximum
Delay from
Message
Reception
222us
347us
472us
597us
SBS Telecom Standard Product Data Sheet
Minimum
Delay from
FIFO read
125us
250us
375us
500us
Maximum
Delay from
FIFO read
250us
375us
500us
625us
Preliminary
239
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