ak4586 AKM Semiconductor, Inc., ak4586 Datasheet - Page 20

• Manufacturer Part Number: ak4586
• Description: Multi-channel Audio Codec With Dir
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
The AK4586 outputs the encoded information of sampling frequency and pre-emphasis in channel status to FS0, FS1 and
PEM bits in control register. These information are output from channel 1 at default. It can be switched to channel 2 by
CS12 bit in control register.
MS0097-E-01
Sampling Frequency and Pre-emphasis Detect
Table 6. Sampling frequency information in Consumer Mode
Table 7. Pre-emphasis information in Consumer Mode
FS1
0
0
1
1
PEM
0
1
FS0
0
1
0
1
Pre-emphasis
OFF
ON
- 20 -
Reserved
44.1kHz
48kHz
32kHz
fs
Bits 3-5
0X100
Byte 0
all others
0X100
Bits 0-3
Byte 3
0000
0100
1100
[AK4586]
2001/12