ACS8525 Semtech Corporation, ACS8525 Datasheet - Page 61

• Manufacturer Part Number: ACS8525
• Description: Line Card Protection Switch For Sonet/sdh Systems
• Manufacturer: Semtech Corporation

Address (hex):
Address (hex):
Revision 3.00/October 2003 © Semtech Corp.
ADVANCED COMMUNICATIONS
Register Name
Register Name
Bit No.
Bit No.
Bit 7
[7:6]
[5:4]
[3:0]
Bit 7
[7:2]
[1:0]
digital2_frequency
39
3A
cnfg_digtial_frequencies
Description
digital2_frequency
Configures the frequency of Digital2. Whether this is
SONET or SDH based is configured by Bit 6
(dig2_sonsdh) of Reg. 38.
digital1_frequency
Configures the frequency of Digital1. Whether this is
SONET or SDH based is configured by Bit 5
(dig1_sonsdh) of Reg. 38.
Not used.
cnfg_differential_output
Description
Not used.
Output O1_LVDS_PECL
Selection of the electrical compatibility of Output O1
between 3 V PECL and 3 V LVDS.
Bit 6
Bit 6
Bit 5
Bit 5
digital1_frequency
Description
Description
Bit 4
Bit 4
FINAL
Page 61
(R/W) Configures the actual
frequencies of Digital1 & Digital2.
(R/W) Configures the electrical
compatibility of the differential
output driver to be 3 V PECL or
3 V LVDS.
Bit Value
Bit Value
Bit 3
Bit 3
00
01
10
11
00
01
10
11
00
01
10
11
-
Value Description
Digital2 set to 1,544 kHz or 2,048 kHz.
Digital2 set to 3,088 kHz or 4,096 kHz.
Digital2 set to 6,176 kHz or 8,192 kHz.
Digital2 set to 12,353 kHz or 16,384 kHz.
Digital1 set to 1,544 kHz or 2,048 kHz.
Digital1 set to 3,088 kHz or 4,096 kHz.
Digital1 set to 6,176 kHz or 8,192 kHz.
Digital1 set to 12,353 kHz or 16,384 kHz.
Value Description
-
Output O1 disabled.
Output O1 3 V PECL compatible.
Output O1 3 V LVDS compatible.
Not used.
Bit 2
Bit 2
Default Value
Default Value
ACS8525 LC/P
Output O1_LVDS_PECL
Bit 1
Bit 1
DATASHEET
www.semtech.com
0000 1000
1100 0010
Bit 0
Bit 0