ML7029 データシートの表示（PDF） - LAPIS Semiconductor Co., Ltd.
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ML7029 Datasheet PDF : 29 Pages
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FEDL7029-04
ML7029
(3) CR2 (PCM CODEC operating mode setting and transmit/receive gain adjustment)
CR2
Initial Value
B7
B6
B5
B4
TX ON/OFF TX GAIN2 TX GAIN1 TX GAIN0
0
0
1
1
B3
RX
ON/OFF
0
B2
B1
B0
RX GAIN2 RX GAIN1 RX GAIN0
0
1
1
B7:
Transmit PCM signal ON/OFF;
0/ON, 1/OFF
B6, B5, B4: Transmit signal gain adjustment, refer to Table 2.
B3:
Receive PCM signal ON/OFF;
0/ON, 1/OFF
B2, B1, B0: Receive signal gain adjustment, refer to Table 2.
Table 2 Transmit/Receive Gain Setting (when SYNC = 8 kHz)
B6
B5
B4
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Transmit Gain
–6 dB
–4 dB
–2 dB
0 dB
+2 dB
+4 dB
+6 dB
+8 dB
B2
B1
B0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Receive Gain
–6 dB
–4 dB
–2 dB
0 dB
+2 dB
+4 dB
+6 dB
+8 dB
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