ACS8525AT Semtech, ACS8525AT Datasheet - Page 56

• Manufacturer Part Number: ACS8525AT
• Manufacturer: Semtech

Specifications of ACS8525AT

• Lead Free Status / RoHS Status: Compliant

Address (hex):
Address (hex):
Revision 1.00/September 2007 © Semtech Corp.
ADVANCED COMMS & SENSING
Register Name
divn_<input>
Address (hex):
Address (hex):
Address (hex):
Address (hex):
Register Name
Bit No.
Bit No.
Bit 7
[3:0]
Bit 7
[7:3]
22 (cont...)
32
cnfg_ref_source_frequency
<input>
For Reg. 22, <input> =
SEC1 TTL
lock8k_<input>
Description
reference_source_frequency_<input>
Programs the frequency of the SEC connected to
input <input>. If divn_<input> is set, then this value
should be set to 0000 (8 kHz).
cnfg_operating_mode
Description
Not used.
23
24
25
28
Bit 6
Bit 6
Use description for Reg. 22, but use <input> = SEC2 TTL
Use description for Reg. 22, but use <input> = SEC1 DIFF
Use description for Reg. 22, but use <input> = SEC2 DIFF
Use description for Reg. 22, but use <input> = SEC3
Bit 5
Bit 5
Bucket_id_<input>
Description
Description
Bit 4
Bit 4
FINAL
Page 56
(R/W) Configuration of the
frequency and input monitoring
for input <input>.
(R/W) Register to force the state
of DPLL1 controlling state
machine.
1011-1111
Bit Value
Bit Value
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
Bit 3
Bit 3
-
reference_source_frequency_<input>
Value Description
8 kHz.
1544/2048 kHz (dependant on Bit 2 (ip_sonsdhb)
in Reg. 34).
6.48 MHz.
19.44 MHz.
25.92 MHz.
38.88 MHz.
51.84 MHz.
77.76 MHz.
155.52 MHz.
2 kHz.
4 kHz.
Not used.
Value Description
-
Bit 2
Bit 2
Default = 0000 0000
Default = 0000 0011
Default = 0000 0011
Default = 0000 0011
DPLL1_operating_mode
ACS8525A LC/P
Default Value
Default Value
Bit 1
Bit 1
DATASHEET
www.semtech.com
SEC1 TTL=
0000 0000
0000 0000
Bit 0
Bit 0