ak4112a AKM Semiconductor, Inc., ak4112a Datasheet - Page 12

• Manufacturer Part Number: ak4112a
• Description: High Feature 96khz 24bit Dir
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
n n n n Sampling Frequency and Pre-emphasis Detect
The AK4112A 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.
MS0020-E-00
FS1
FS1
0
0
1
1
0
0
1
1
Table 4. fs information in Profession Mode
Table 3. fs information in Consumer Mode
PEM
PEM
Table 6. PEM in professional Mode
0
1
0
1
Table 5. PEM in Consumer Mode
FS0
FS0
0
1
0
1
0
1
0
1
Pre-emphasis
Pre-emphasis
OFF
OFF
ON
ON
- 12 -
Reserved
Reserved
44.1kHz
44.1kHz
48kHz
32kHz
48kHz
32kHz
fs
fs
¹ 0X100
Bits 3-5
Bits 2-4
0X100
Byte 0
Byte 0
¹110
all others
110
Bits 0-3
Bits 6-7
Byte 3
Byte 0
0000
0100
1100
10
00
01
11
[AK4112A]
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