msm9810 Oki Semiconductor, msm9810 Datasheet - Page 19
msm9810
Manufacturer Part Number
msm9810
Description
8-channel Mixing Oki Adpcm Type Voice Synthesis Lsi
Manufacturer
Oki Semiconductor
Datasheet
1.MSM9810.pdf
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¡ Semiconductor
In serial input interface, status signals are constantly output from D3/SR3 to D0/SR0 pins.
Selection of NCR and BUSY is controlled by the NCR/BUSY pin. Since there are only four D3/
SR3 to D0/SR0 pins, 8 channels of status signals are selected by control of the D4/UD pin. Table
8-2 shows the relationship between D4/UD pin and D3/SR3 to D0/SR0 pins.
RD(I)
SO(O)
SR3
SR2
SR1
SR0
SI(I)
UD
CS
Table 8-2 Correspondence between D4/UD and D3/SR3 to D0/SR0
Figure 8-2 Read timing in serial input interface
CH8-5
D3/SR3
D2/SR2
D1/SR1
D0/SR0
CH8
CH7
CH6
CH5
D4/UD="L"
Channel 4
Channel 3
Channel 2
Channel 1
D7
D6 D5 D4 D3 D2 D1 D0
D4/UD="H"
Channel 8
Channel 7
Channel 6
Channel 5
CH4-1
CH4
CH3
CH2
CH1
MSM9810
19/31
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