ACS8582 Semtech Corporation, ACS8582 Datasheet - Page 95

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ACS8582

Manufacturer Part Number
ACS8582
Description
Manufacturer
Semtech Corporation
Datasheet
Address (hex):
Address (hex):
Revision 1.00/March 2008 ©Semtech Corp.
ADVANCED COMMS & SENSING
Register Name
Register Name
Bit No.
Bit No.
Bit 7
[7:0]
Bit 7
[7:0]
77
78
sts_current_phase
[7:0]
Description
current_phase
Bits [7:0] of the current phase register. See Reg. 78
sts_current_phase [15:8] for details.
sts_current_phase
[15:8]
Description
current_phase
Bits [15:8] of the current phase register. This
register is used to read from the phase detector of
either the T0 DPLL or the T4 DPLL, according to
Reg. 4B Bit 4 T4_T0_select. The value is averaged
in the phase averager (filter with approx. 100 Hz
bandwidth) before being made available.
Bit 6
Bit 6
Bit 5
Bit 5
Description
Description
CONFIDENTIAL
Bit 4
Bit 4
current_phase[15:8]
current_phase[7:0]
FINAL
Page 95
(RO) Bits [7:0] of the current
phase register.
(RO) Bits [15:8] of the current
phase register.
Bit Value
Bit Value
Bit 3
Bit 3
-
-
Value Description
See Reg. 78 sts_current_phase [15:8] for details.
Value Description
The value in this register should be concatenated
with the value in Reg. 77 sts_current_phase [7:0].
This 16-bit value is a 2’s complement signed
integer. The value multiplied by 0.707 is the
averaged value of the current phase error, in
degrees, as measured at the DPLL’s phase
detector.
Bit 2
Bit 2
Default Value
Default Value
Bit 1
Bit 1
ACS8582
DATASHEET
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0000 0000
0000 0000
Bit 0
Bit 0

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