10. Registers > Lane Control Registers
CPS-1848 User Manual
419
June 2, 2014
Formal Status
This document is confidential and is subject to an NDA.
Integrated Device Technology
10.20.2 Lane {0..47} Control Register
For base address information, see
. The broadcast version of this register is
.
Register Name: LANE_{0..47}_CTL
Reset Value: Undefined
Register Offset: 0x (0x100 * lane_num)
Bits
0
1
2
3
4
5
6
7
00:07
Reserved
PRBS_MODE
Reserved
08:15
PRBS_UNI
DIR_BERT_
MODE_EN
LANE_INT_
EN
LANE_PW_
EN
PRBS_TRA
IN
PRBS_EN
XMITPRBS PRBS_RX_
CHECKER
_MODE
Reserved
16:23
LPBK_10BI
T_EN
LPBK_8BIT
_EN
Reserved
TX_SYMBOL_CTL
TX_AMP_CTL
24:31
TX_AMP_CTL
TX_RATE
RX_RATE
LANE_DIS
Bits
Name
Description
Type
Reset
Value
0:2
Reserved
Reserved
RO
0
3:6
PRBS_MODE
Select PRBS polynomial
0b0000 = X
23
+X
18
+1
0b0001 = X
31
+X
28
+1
0b0010 = Reserved (Revision C only)
0b0010 = Recirculating seed (Revision A/B only)
0b0011 = X
10
+X
7
+1
0b0100 = X
15
+X
14
+1
0b0101 = X
7
+X
6
+1
0b0110 = 10-bit pattern – fixed
0b0111 = Balanced pattern – fixed 10-bit pattern and its inverse
(pattern, ~pattern)
0b1000 = 40-bit pattern (0b0000000000, 10-bit fixed pattern,
0b1111111111, ~ pattern)
0b1001–1111 = Reserved
Note: For 8-bit mode, 0b0110, 0b0111, and 0b1000 are supported
for PRBS generation only.
RW
0b0000
7
Reserved
Reserved
RO
0