UPD6379A NEC, UPD6379A Datasheet - Page 11

• Manufacturer Part Number: UPD6379A
• Description: 2-CHANNEL 16-BIT D/A CONVERTER FOR AUDIO APPLICATION
• Manufacturer: NEC

LRCK
LRCK
CLK
CLK
SI
SI
• If the clock is also supplied to CLK while data is not sampled (refer to Fig. 4-1), make sure that the changing
• If the clock is supplied to CLK only while data is sampled (refer to Fig. 4-2), set the changing timing of LRCK
timing of LRCK coincides with the falling edge (point A) of CLK after the LSB has been input.
in between the falling edge (point A) of CLK after the LSB has been input and the start of inputting the next
MSB (point B) (points A and B are included).
LSB
LSB
16
16
A
A
Changing period of LRCK
Invalid
Invalid
B
MSB
MSB
1
1
2
2
3
3
Fig. 4-1 Input Timing Chart (1)
Fig. 4-2 Input Timing Chart (2)
4
4
Data Sheet S11588EJ4V0DS00
5
5
1 sample data period
1 sample data period
6
6
7
7
8
8
9 10 11 12 13 14 15 16
9 10 11 12 13 14 15 16
PD6379, 6379A, 6379L, 6379AL
LSB
LSB
A
A
Changing period of LRCK
Invalid
Invalid
B
MSB
MSB
1
1
2
2
3
3
11
4
4