ASAHI KASEI
[AK4370]
■ Comparison with AK4368
1 Function
Function
AK4368
AK4370
2-Stereo
Single-ended Input
or Full-differential Input
1-Stereo + 1-Mono
Single-ended Input
Analog Mixing
256fs/512fs/1024fs,
12.288MHz(max)
256fs/384fs/512fs/768fs/1024fs,
24.576MHz(max)
MCKI at EXT Mode
0 to –63dB & +12/+6/0dB
HP-Amp Output Volume
No
1.5dB step (0 to –30dB)
3dB step (–30 to –63dB)
HP-Amp Hi-Z Setting
PLL
No
Yes
Yes
No
3D Enhancement
ALC
Yes
Yes
No
No
Package
41BGA (4mm x 4mm)
24QFN (4mm x 4mm)
2
Register (difference from AK4368)
D7
D6
PMPLL
FS2
D5
PMLO
FS1
D4
D3
D2
D1
D0
Addr Register Name
0
FS3
0
0
ATS
ATTL7
ATTR7
HPG1
MUTEN PMHPR PMHPL PMDAC PMVCM
FS0
MCKAC
BCKP
00H Power Management
01H Clock Control 0
02H Clock Control 1
03H Mode Control 0
04H Mode Control 1
05H DAC Lch ATT
06H DAC Rch ATT
07H Headphone Out Select 0
08H Lineout Select 0
09H Lineout ATT
0AH Reserved
0BH Reserved
0CH Reserved
0DH Headphone Out Select 1
0EH Headphone ATT
0FH Lineout Select 1
10H Mono Mixing
11H Differential Select
12H Reserved
PLL3
BF
LRP
BST1
ATTL3
ATTR3
PLL2
PS0
DIF2
BST0
ATTL2
ATTR2
PLL1
PS1
DIF1
DEM1
ATTL1
ATTR1
PLL0
MCKO
DIF0
DEM0
ATTL0
ATTR0
0
M/S
MONO1 MONO0
DATTC LMUTE SMUTE
ATTL6
ATTR6
HPG0
LOG
0
REF6
0
0
0
HPZ
0
0
0
0
0
ATTL5
ATTR5
ATTL4
ATTR4
LIN2HR LIN2HL RIN1HR LIN1HL DARHR DALHL
LIN2R
0
REF5
ALC
0
0
0
LIN2L
0
REF4
RIN1R
ATTS3
REF3
LIN1L
ATTS2
REF2
DARR
ATTS1
REF1
DALL
ATTS0
REF0
RATT
3D0
REF7
0
0
0
0
0
0
0
0
0
ROTM1 ROTM0 LMAT1 LMAT0
0
0
DP1
DP0
3D1
0
RIN2HR RIN2HL LIN1HR RIN1HL
ATTH3
RIN2R
L2M
HMUTE ATTH4
ATTH2
RIN2L
L2HM
ATTH1
LIN1R
L1M
LDIFH
0
ATTH0
RIN1L
L1HM
LDIF
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
13H Reserved
These bits are added in the AK4370
These bits are deleted in the AK4370
MS0595-E-00
2007/03
- 4 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
