wm8802scft/v Wolfgang Knap, wm8802scft/v Datasheet - Page 50
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wm8802scft/v
Manufacturer Part Number
wm8802scft/v
Description
Digital Audio Interface Transceiver
Manufacturer
Wolfgang Knap
Datasheet
1.WM8802SCFTV.pdf
(65 pages)
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WM8802
w
REGISTER ADDRESS
Command address: 9
CCB address: 0xE8,
RERR output setting:
Non-PCM data is reflected as data defined by AOSEL and matches the AUDIO pin output.
Output data is muted if an error occurs due to non-PCM data RESEL.
The RESTA setting is not reflected to the data and clock output pins.
When FSERR is set the fs calculation result (when the oscillation amplifier is stopped) is not
reflected. In this case, fs changes reflect only of channel status fs information.
ERWT[0:1] defines the interval after which an RERR error is cancelled (Low) following a PLL lock. Do
not perform this setting if cutting off of the beginning of data is a problem.
RESEL
REDER
XTWT [1:0]
RESTA
FSERR
ERWT [1:0]
ERWT1
DI15
DI7
1
ERWT0
DI14
DI6
0
RERR output contents setting
0: PLL lock error or data error (initial value)
1: PLL lock error or data error or non-PCM data
8 continuous times parity error flag output setting
0: Output during non-PCM data recognition. (initial value)
1: Output only during sub-frame for which error was generated.
Clock switch wait time setting after PLL unlock
00: Clock switching after approx. 200 s following oscillation amplifier
start
01: Clock switching after approx. 100 s following oscillation amplifier
start
10: Clock switching after approx. 50 s following oscillation amplifier
start
11: Clock switching after approx. 400 s following oscillation amplifier
start
RERR output condition setting
0: Output permanent PLL status (Output PLL status even during XIN
source) (initial status)
1: Forcibly output error (Set High forcibly to RERR)
Setting of error flag output condition through fs change
0: Reflect fs changes to error flag. (initial value)
1: Do not reflect fs changes to error flag.
RERR wait time setting after PLL lock
00: Error release preamble B after 48 counts. (initial value)
01: Error release preamble B after 24 counts.
10: Error release preamble B after 12 counts.
11: Error release preamble B after 6 counts.
FSERR
DI13
DI5
0
(initial value)
RESTA
DI12
DI4
1
XTWT1
DI11
DI3
0
XTWT0
DI10
DI2
0
REDER
PP Rev 1.1 April 2004
CAU
DI1
DI9
Product Preview
RESEL
CAL
DI0
DI8
50
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