NJU26100 View Datasheet(PDF) - Japan Radio Corporation
Part Name
Description
Manufacturer
NJU26100 Datasheet PDF : 17 Pages
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NJU26100 Series
The number of BCK clock must follow the serial data format. If the BCK clock is not enough, the right sound are
not produced. Set serial data format for the adequate mode that A/Ds, D/As or Codecs reqire.
The NJU26100 Series supports serial data format which includes 32(32Fs) or 64(64Fs) BCK clocks. This serial
data format is applied to both MASTER and SLAVE mode.
4.2 Serial Audio Data Transmitting Diagram
LRI, LRO
Left Channel
Right Channel
BCKI, BCKO
MSB
LSB
MSB
LSB
SDI, SDO
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
23
32 Clocks
32 Clocks
Fig. 4-2 Left-Justified Data Format 64Fs, 24bit Data
LRI, LRO
BCKI, BCKO
SDI, SDO 2 1 0
Left Channel
Right Channel
MSB
LSB
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
32 Clocks
MSB
LSB
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
32 Clocks
Fig. 4-3 Right-Justified Data Format 64Fs, 24bit Data
LRI, LRO
BCKI, BCKO
SDI, SDO
Left Channel
Right Channel
MSB
LSB
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MSB
LSB
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
32 Clocks
32 Clocks
Fig. 4-4 I2S Data Format 64Fs, 24bit Data
LRI, LRO
Left Channel
Right Channel
BCKI, BCKO
MSB
LSB
MSB
LSB
SDI, SDO
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
19
32 Clocks
32 Clocks
Fig. 4-5 Left-Justified Data Format 64Fs, 20bit Data
* The 24bit data is always outputted to a SDO0 pin in the format of figure 4-5 to figure 4-10.
-8-
Ver.2005-02-24
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