ak7770eq ETC-unknow, ak7770eq Datasheet - Page 15

• Manufacturer Part Number: ak7770eq
• Description: Audio With Multi-channel Audio Codec
• Manufacturer: ETC-unknow

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MS0699-E-01-PB
Note 30. Power supply must be up and a master clock must be present before initializing reset.
(Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1 = VSS2 = VSS3=0V)
Note 28. CLKn and LRCLKn must occur in the same period, but phase matching is not critical.
Note 29. The sample rate must match LRCLK.
(Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1 = VSS2 = VSS3=0V)
Reset
System Clock
Parameter
INITRSTN
Parameter
XTI
CLK1, CLK2 Frequency
LRCLK1, LRCLK2 Frequency
BITCLK1, BITCLK2 Frequency
CLK3 Frequency
LRCLK3 Frequency
BITCLK3 Frequency
(Note 29)
a) with a crystal oscillator
b) with an external clock
Duty cycle ratio
Duty cycle ratio
Clock speed
Low level width
Duty cycle ratio
Clock speed
Low level width
High level width
High level width
(Note
(Note
(Note
(Note
SWITCHING CHARACTERISTICS
30)
28)
28)
29)
Symbol
Sysmbol
tBCLKH
tBCLKH
tBCLKL
tBCLKL
tRST
fXTI
fXTI
fCK
fCK
fs
fs
- 15 -
Min
600
Min
11.0
11.0
256
150
150
256
150
150
2.0
40
40
40
43
8
-
12.288
12.288
12.288
typ
typ
50
50
48
50
48
1024
1024
max
12.4
48.4
48.4
max
60
50
60
50
60
-
[AK7770]
2008/06
Units
MHz
Units
MHz
MHz
MHz
kHz
kHz
ns
ns
ns
ns
ns
%
%
%
fs
fs