ASAHI KASEI
[AK4527B]
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Compatibility with AK4527
1. Functions
Functions
Overflow flag
Clock mode
Sampling speed mode auto setting
AK4527
Not available
Setting by pin/bit
Not available
AK4527B
Available
Auto setting
Available
(MCLK is fixed at auto setting mode;
Normal: 512fs, Double: 256fs)
Parallel/Serial mode
Register only
Available
VCOM voltage
Zero detection
De-emphasis setting
I
2
C bus mode
Analog output at power down mode
Serial mode only
Pin/Register
Not available
Hi-Z
2. Pin Configuration
Pin#
12
13
18
19
20
33
AK4527
DEM1
DEM0
ICKS2
ICKS1
ICKS0
DZF2
AK4527B
NC
DZFE
TST
NC
ADIF
DZF2/OVF
3. Register
Addr
00H
01H
08H
09H
0AH
Changed items
DIF1-0 default values are changed from mode 0 to mode 2.
ACKS (Clock auto setting mode) is added.
DEMA1-C0 default values are changed from “44.1kHz” to “OFF”.
ICKS2-0 are removed.
OVFE (Overflow detection enable) is added.
MS0056-E-00
-4-
2000/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
