msm9811 Oki Semiconductor, msm9811 Datasheet - Page 35
msm9811
Manufacturer Part Number
msm9811
Description
4-channel Mixing Oki Adpcm Type Voice Synthesis Lsi
Manufacturer
Oki Semiconductor
Datasheet
1.MSM9811.pdf
(44 pages)
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CVOL Command
The CVOL command adjusts the volume of the specified channel to the volume which corresponds to the size of
data stored in the TMP register at the rise of the WR pulse.
Volume can be set in 16 steps up to –30 dB in –2dB step units. Set data as shown in Table 7.
When power is turned on and the RESET pulse is input, all channels are set to 0dB.
OKI Semiconductor
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Table 7 Volume Setting Data Configuration
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D1
(D7-D4: Don't care)
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Volume(dB)
–10 dB
–12 dB
–14 dB
–16 dB
–18 dB
–20 dB
–22 dB
–24 dB
–26 dB
–28 dB
–30 dB
–2 dB
–4 dB
–6 dB
–8 dB
0 dB
FEDL9811FULL-04
MSM9811
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