NJU8721 查看數據表（PDF） - Japan Radio Corporation
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NJU8721 Datasheet PDF : 13 Pages
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NJU8721
LRCK
BCK
DIN
Left Channel
Right Channel
17 16 15
10
17 16 15
Figure 3.4. 18 bits I2S Data Format
10
LRCK
Left Channel
Right Channel
BCK
DIN
17 16 15
10
17 16 15
10
17
Figure 3.5. 18 bits MSB Justified Data Format
LRCK
BCK
DIN 0
Left Channel
Right Channel
17 16
3210
17 16
Figure 3.6. 18 bits LSB Justified Data Format
32 10
(7-3) Failure of Synchronization Operation
If the MCK clock fluctuates over than ±10 clocks against the LRCK and failure of synchronization is
detected the attenuation value is set to -∞. When the LRCK synchronizes with MCK again, the
attenuation value returns from -∞ to previous level.
Internal Condition
Attenuation Value
Normal Operation
Set Value
-∞
Out of Sync.
Figure 4. Out of Synchronization Operation
Normal Operation
Set Value
1024/fS
-6-
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