PM8621 PMC-Sierra, Inc., PM8621 Datasheet - Page 103
PM8621
Manufacturer Part Number
PM8621
Description
NSE-8G Standard Product Data Sheet Preliminary
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM8621.pdf
(184 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2010850, Issue 1
Register 103H + N*20H, RXLV and DRU Control
These registers drives the control signals for the RXLV and DRU blocks.
After Chip reset, this Register must be set to CC34h for proper operation, See below.
DRU_CTRL[3:0]
A_RSTB
Reserved
Bit
Bit 31:16
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
The DRU_CTRL[3:0] bits control the DRU CTRL[3:0] inputs. The DRU_CTRL[3:0] bus is
reset to 0000, but needs to be set to 1101 following a reset for correct operation of the
NSE.
The A_RSTB bit is a soft-reset for the Data Recovery Unit Analog block. Setting A_RSTB to
logic 0 will reset the block.
The Reserved bit is set to logic 0 on reset, but needs to be set to logic one following reset
for correct operation of the NSE.
Type
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
DRU_DTMSB
DRU_ENB
RX_ENB
A_RSTB
DRU_CTRL[3]
DRU_CTRL[2]
DRU_CTRL[1]
DRU_CTRL[0]
Function
Unused
Reserved
Reserved
Reserved[4]
Reserved[3]
Reserved[2]
Reserved[1]
Reserved[0]
Unused
Default
X
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
X
NSE-8G™ Standard Product Data Sheet
Preliminary
102
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