AK7746 Datasheet, PDF (38/62 Pages) Asahi Kasei Microsystems – Audio DSP with 5-channel 24-bit ADC and Input Mux

[ASAHI KASEI]
[AK7746]
(C) CLKO Output select information. (fs=48kHz)
XTI or
BITCLK_I
[MHz]
INPUT
PIN
CKS[1]
INPUT
PIN
CKS[0]
CONT0
SETCK
CONT6
CLKS1
18.432
0
0
0
0
↑
↑
↑
0
0
↑
↑
↑
0
1
↑
↑
↑
0
1
↑
↑
↑
1
X
12.288
0
1
0
0
↑
↑
↑
0
0
↑
↑
↑
0
1
↑
↑
↑
0
1
↑
↑
↑
1
X
3.072
1
0
0
0
↑
↑
↑
0
0
↑
↑
↑
0
1
↑
↑
↑
0
1
↑
↑
↑
1
X
36.864
1
1
0
0
↑
↑
↑
0
0
↑
↑
↑
0
1
↑
↑
↑
0
1
↑
↑
↑
1
X
CONT6
CLKS0
0
1
0
1
X
0
1
0
1
X
0
1
0
1
X
0
1
0
1
X
OUTPUT
CLKO
[MHz]
18.432
12.288
8.192
256fs
64fs
18.432
12.288
8.192
256fs
64fs
18.432
12.288
8.192
256fs
64fs
18.432
12.288
8.192
256fs
64fs
(D) CLKO Output information
INIT_RESET
S_RESET
L
L
H
L
H
H
CLKOE_N=0
Stop
Active
Active
CLKO
CLKOE_N=1
Stop
Stop
(E) Output timing image
The following figure indicates the timing when changing of CLKO.
( The phase of the clock is not always same as following figure.)
S_RESET
RQ
SCLK
SI
CLKO
6Ch
00100000
6Ah
00001000
MCLK/2
MCLK/3
STOP
Fig.8-8 Example of changing control register CONT6 setting 00h(Default) into new value.
[MS0369-E00]
- 38 -
2004/12