TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 11

• Manufacturer Part Number: TFA9812HN
• Description: BTL stereo Class-D audio amplifier with I2S input
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
TFA9812_2
Preliminary data sheet
Table 6.
[1]
In I
MCLK clock mode is given higher priority than BCK. If the MCLK clock is judged valid by
the protection circuit then MCLK clock mode is enabled. BCK clock mode is enabled when
the MCLK clock is invalid (e.g. not available) and the BCK clock is judged valid by the
protection circuit (see
Table 7
Table 8
Table 9
Table 7.
Table 8.
Pin value
CSEL
0
0
1
Control mode
I
Legacy
Control mode
I
2
2
C
C
2
Under these conditions the mode is enabled by the appropriate I
S slave mode selection between BCK and MCLK clock modes is automatic.
shows the supported crystal frequencies in I
shows the supported MCLK frequencies in MCLK mode (I
shows the supported BCK frequencies in BCK mode (I
SDA/MS
0
1
-
I
Valid crystal frequencies in I
Valid MCLK frequencies in I
2
S master/slave mode selection
Rev. 02 — 22 January 2009
Clock mode
legacy
legacy
I
Section
2
C
8.7.11).
f
8, 16, 32, 64, 128
11.025, 22.05, 44.1, 88.2,
176.4
12, 24, 48, 96, 192
32
44.1
48
f
8, 16, 32, 64, 128
32
11.025, 22.05, 44.1, 88.2,
176.4
44.1
12, 24, 48, 96, 192
48
s
s
(kHz)
(kHz)
BTL stereo Class-D audio amplifier with I
2
2
S slave mode
S master mode
2
S master mode.
2
C setting.
Crystal frequency (MHz)
8.192
11.2896
12.288
8.192
11.2896
12.288
MLCK frequency (MHz)
8.192
12.288
18.432 (576 f
11.2896
16.9344
25.4016 (576 f
12.288
18.432
27.648 (576 f
2
S slave mode).
2
S slave mode).
© NXP B.V. 2009. All rights reserved.
TFA9812
I
slave
master
slave or master
s
s
2
)
)
s
S mode
)
2
S input
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