ACS8526LC Semtech Corporation, ACS8526LC Datasheet - Page 54

• Manufacturer Part Number: ACS8526LC
• Description: Line Card Protection Switch for PDH, Sonet or SDH Systems
• Manufacturer: Semtech Corporation

Address (hex):
Revision 4.01/June 2006 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
DPLL1_PD2_
gain_enable
Bit No.
Bit 7
[6:4]
[2:0]
7
3
6D
cnfg_DPLL1_PD2_gain
Description
DPLL1_PD2_gain_enable
DPLL1_PD2_gain_alog
Register to control the gain of Phase Detector 2
when locking to a reference, higher than 8 kHz, in
analog feedback mode. This setting is not used if
automatic gain selection is disabled in Bit 7,
DPLL1_PD2_gain_enable.
Not used.
DPLL1_PD2_gain_digital
Register to control the gain of Phase Detector 2
when locking to a reference in digital feedback
mode. Automatic gain selection must be enabled
(Bit 7, DPLL1_PD2_gain_enable), for
DPLL1_PD2_gain_digital to have any effect.
Bit 6
DPLL1_PD2_gain_alog
Bit 5
Description
Bit 4
FINAL
Page 54
(R/W) Register to configure the
gain of Phase Detector 2 in some
modes for DPLL1.
Bit Value
Bit 3
0
1
-
-
-
Value Description
DPLL1 Phase Detector 2 not used.
DPLL1 Phase Detector 2 gain enabled and choice of
gain determined according to the locking mode:
- digital feedback mode
- analog feedback mode
- analog feedback at 8 kHz
Gain value of Phase Detector 2 when locking to a
high frequency reference in analog feedback mode.
-
Gain value of Phase Detector 2 when locking to any
reference in digital feedback mode.
Bit 2
ACS8526 LC/P LITE
DPLL1_PD2_gain_digital
Default Value
Bit 1
DATASHEET
www.semtech.com
1100 0010
Bit 0