D63711 NEC, D63711 Datasheet - Page 50

• Manufacturer Part Number: D63711
• Description: Search -----> UPD63711
• Manufacturer: NEC

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(6) F7H command (Sound output mode and sync window width setting)
[Functional description]
AT2:
MON:
WD[2:1]: Sets the width of the PLL synchronization detection window.
PWM:
(7) F8H command (NOP command)
[Functional description]
50
PWM
MSB
MSB
Remark The mark * indicates the contents set after a reset.
This command has no object.
1
MSB
1
1
0
Selects ON or OFF for attenuation. This is PD63703 equivalent attenuation. Set the amount of L-ch and
R-ch attenuation using the FAH and FBH commands, respectively.
Selects stereo or monaural for the audio output signal.
Selects ON or OFF for sound DAC PWM output.
In the default state (PWM OFF), PWM output (L+, L–, R+, R–) is fixed (+pin: H, –pin: L).
1
1
0
1
Command
Parameter
1
0
Command
1
WD2
0
1
WD1
Preliminary Product Information S14470EJ1V1PM00
1
0
MON
1
0
LSB
LSB
AT2
1
LSB
0
PWM
MON
WD2
AT2
0
1
0
1
0
0
1
1
0
1
* Attenuation OFF
* Normal (stereo)
* PWM OFF
WD1
Attenuation ON
Monaural
PWM ON
0
1
0
1
Attenuation (Set the Attenuation Value
* 7 PLCK
Audio Output Signal Switching
Independently for L and R)
30 PLCK
60 PLCK
80 PLCK
Sound DAC PWM OFF
Sync Window Block
PD63711