AK4635 AKM [Asahi Kasei Microsystems], AK4635 Datasheet - Page 25

• Manufacturer Part Number: AK4635
• Description: 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

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There are the following five clock modes to interface with external devices.
Mode
PLL Master Mode
PLL Slave Mode 1
(PLL Reference Clock: MCKI pin)
PLL Slave Mode 2
(PLL Reference Clock: FCK or BICK pin)
EXT Slave Mode
EXT Master Mode
Note 36. 12MHz/13.5MHz/24MHz/27MHz
Rev. 0.6
System Clock
Mode
PLL Master Mode
PLL Slave Mode 1
(PLL Reference Clock: MCKI pin)
PLL Slave Mode 2
(PLL Reference Clock: FCK or BICK pin)
EXT Slave Mode
EXT Master Mode
Table 1. Clock Mode Setting (x: Don’t care)
Table 2. Clock pins state in Clock Mode
MCKO bit
OPERATION OVERVIEW
0
1
0
1
0
0
0
PMPLL bit
- 25 -
256fs Output
256fs Output
MCKO pin
“L” Output
“L” Output
“L” Output
“L” Output
“L” Output
1
1
1
0
0
M/S bit
1
0
0
0
1
Input for PLL
Input for PLL
Master Clock
Master Clock
(Table 1
MCKI pin
(Note
(Note
1024fs
1024fs
256fs/
512fs/
256fs/
512fs/
GND
Input
Input
PLL3-0 bit
36)
36)
Table 4
Table 4
Table 4
and
x
x
Table
16fs/32fs/64fs
16fs/32fs/64fs
BICK pin
32fs/64fs
Output
Output
≥ 16fs
≥ 32fs
2)
Input
Input
Input
Figure 23
Figure 24
Figure 25
Figure 26
Figure 27
Figure 28
Figure
FCK pin
[AK4635]
Output
Output
Input
Input
Input
1fs
1fs
1fs
1fs
1fs
2007/10