GS6150 Datasheet, PDF (45/64 Pages) Gennum Corporation – Automatic or Manual Rate Selection

Table 5-1: Register Descriptions - Standard Address Space (Continued)
Address Register Name Parameter Name
Bit
Slice
R/W
Reset
Value
Description
6_h
RESERVED
RSVD
15:0 RW 0_h Reserved. Do not change.
RSVD
15:12 RW 0_h Reserved. Do not change.
DDI_SELECT
11:10 RW
Input Selection
00_b: DDI0
01_b: DDI1
0_h 10_b: DDI2
11_b: DDI3
Used when INPUT_SELECTION_CONTROL is
set to 01_b or 11_b
Determines the source for the input
selection block.
X0_b: Use DDI_SEL0_STROBE and DDI_SEL1
INPUT_SELECTION_CONTROL 9:8
RW
0_h
pins.
01_b: Use DDI_SELECT bits
11_b: Use DDI_SELECT bits; update occurs on
low-to-high transition of DDI_SEL0_STROBE
pin.
7_h
INPUT_CONTROL_
Enable DDI3 on-chip Trace-EQ DC
REG_2
DDI3_TRACE_EQ_DC_TERM_
ENABLE
7:7
RW
termination.
1_{h 0b: Disabled}
1_b: Enabled
Enable DDI2 on-chip Trace-EQ DC
DDI2_TRACE_EQ_DC_TERM_
ENABLE
6:6
RW
termination.
1_{h 0b: Disabled}
1_b: Enabled
Enable DDI1 on-chip Trace-EQ DC
DDI1_TRACE_EQ_DC_TERM_
ENABLE
5:5
RW
termination.
1_{h 0b: Disabled}
1_b: Enabled
Enable DDI0 on-chip Trace-EQ DC
DDI0_TRACE_EQ_DC_TERM_
ENABLE
4:4
RW
termination.
1_{h 0b: Disabled}
1_b: Enabled
RSVD
3:0 RW 0_h Reserved. Do not change.
8_h
RESERVED
RSVD
15:0 ROCW — Reserved. Do not change.
9_h
RESERVED
RSVD
15:0 RO — Reserved.
A_h
RESERVED
RSVD
15:0 RO — Reserved.
B_h
RESERVED
RSVD
15:0 RO — Reserved.
C_h
RESERVED
RSVD
15:0 RO — Reserved.
GS6150
Final Data Sheet
PDS-060127
Rev.2
March 2015
www.semtech.com
45 of 64
Proprietary & Confidential