MSM7540 データシートの表示（PDF） - Oki Electric Industry
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MSM7540 Datasheet PDF : 15 Pages
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¡ Semiconductor
MSM7540/7560
TIMING DIAGRAM
Transmit Side PCM/ADPCM Data Interface
BCLKB
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14
txs
tsx
tws
XSYNC
PCMSO
PCMSO
(during linear)
txd1 txd2
MSB
tsdx
MSB
txd3
LSB
txd3
LSB
BCLKA
0
1
2
3
4
5
6
7
8
9 10
txs
tsx
XSYNC
IS
txd1 txd2
tsdx MSB
txd3
LSB
Receive Side PCM/ADPCM Data Interface
BCLKA
0
1
2
3
4
5
67
8
9 10 11 12 13 14
trs
tsr
tws
RSYNC
tds
tdh
txd3
IR
MSB
LSB
BCLKB
0
trs
1
tsr
2
3
4
5
6
7
8
9 10
RSYNC
trd1 trd2
txd3
PCMRO
MSB
LSB
tsdx
PCMRO
MSB
(during linear)
Note: Linear format
trd3
LSB
A code of an input/output level is determined by the 14-bit 2'compliment.
Refer to the table below for code format.
Input/Output level
+Full-scall
0
–Full-scall
MSB to LSB
01111111111111
00000000000000
10000000000000
13/15
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