43
PCM-D1
• IC BLOCK DIAGRAMS
IC2301 AK5384VF
28
DECIMATION
FILTER
AUDIO
INTERFACE
LIN1+
27 LIN1-
26 RIN1+
25 RIN-
24 M/S
23 CKS
22 PDN
21 DVSS
DVDD
TVDD
AVDD
20 DVDD
19 TVDD
18 SDTO1
17 SDTO2
16 BCLK
15 LRCK
6
VCOM
7
AVSS
3
RIN2+
4
RIN2-
1
LIN2+
2
LIN2-
5
TEST
8
AVDD
9
DIF
10
TDM1
11
TDM0
12
TDMIN
13
MCLK
14
DVF
∆Σ
MODULATOR
DECIMATION
FILTER
∆Σ
MODULATOR
DECIMATION
FILTER
∆Σ
MODULATOR
DECIMATION
FILTER
CLOCK DIVIDER
∆Σ
MODULATOR
VOLTAGE REFERENCE
24
AUDIO SERIAL
INTERFACE
BIPHASE
ENCODER
PRESCALER
CRCC GENERATOR
HOST SERIAL
INTERFACE
RS422
LINE
DRIVER
REGISTER
MUX
U1
23 DIF2
22 DIF1
21 DIF0
17 VDD
8
FR0/CSN
9
FR1/CDTI
10
FR2/CCLK
5
SDT1
6
BICK
7
LRCK
11
FR3/CDTO
12
C1
16 CKS1
15 CKS0
14 BLS
13 ANS
18 VSS
19 TXN
20 TXP
FS0
V
U
C
FS1
FS2
FS3
CDTO
CCLK
CDTI
CSN
2
TRANS
1
V1
3
PDN
4
MCLK
— AUDIO A/D BOARD —
IC2302 AK4103AVF-E2