– 33 –
– 34 –
IC501
SN761056DBT
IC301
TA2131FL
IC302
AK4352VT-E2
6-6. IC BLOCK DIAGRAMS
CLOCK DIVIDER
LPF
SERIAL
INPUT
INTERFACE
∆Σ
MODULATOR
8X
INTERPOLATOR
LPF
∆Σ
MODULATOR
8X
INTERPOLATOR
DE-EMPHASIS
CONTROL
1
2
3
4
5
6
7
8
15
14
12
11
10
9
13
16
MCLK
PD
BICK
SDATA
LRCK
DIF0
DIF1
DEM
CKS
VCML
AOUTL
AOUTR
VCMR
VREF
VDD
VSS
1
REXT
Wpp-LPF
VREF 1.1
C
D
D-C
Iy
Ix
Jx
Jy
A
A-C
B
TE
FE
ABCD
AVCC
OFC C1
OFC C2
OFC C3
OFC C4
RFOUT
AGND
LP
DGND
RESET
SCK
82V
TPP LPF
T COUNT
DFCT
OFTRK
ADIP IN
TON-C
PD-NI
PD-I
DVDD
SBUS
PD-O
LD-DRV
LD-EMIT
43
ADIP
42
S MONIT
41
44
40
36
35
34
31
30
29
28
27
26
25
24
23
37
39
38
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
LD-VDD 20
21
22
820mV
ALFA B
IJ B
TE C
TON C
TWpp C
AwDw C
TON PEAK
TON BOTM
33
32
S-MONITOR
FE
APC
ADIP
TON-C
SERIAL
I/F
ABCD
Tpp/Wpp
OFTRK
DFCT
RF
T COUNT
TE
V REF
MT
SW
BST
SW
BEEP
19
20
21
22
23
24
18
17
16
15
14
13
PW
SW
12
11
10
8
7
BST1
9
BST2
6
5
4
3
2
1
BST
AGC
PW
B
PW
A
ADD
TC MT
VCC1
VINR
VINL
BEEP
OUTB
BEEP
OUTA
+B
LOUT
PWR
GND
ROUT
DET
A
GC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN
GND
BEEP IN
RST SW
MUTE
PWSTB
+
–
+
–
VREF WITH
SOFT START,
CE
RAMP WAVE
GENERATOR,
OSC
PWM/PFM
CONTROLAR
PHASE
COMPENSATION
3
CE
2
VDD
1
FB
5
EXT
4
GND
BUFFER,
DRIVER
IC902
XC6368B101MR
IC601
UPD63731GC-9EU
21
22
23
24
25
26 27 28 29 30
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
31 32 33 34 35 36 37 38 39 40
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
41 42 43 44 45 46 47 48 49 50
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
86
89
90
100
91
92
93
94
95
97 96
98
99
ADC
ADIP
RF
FE
ABCD
TE
DSSP
ADIP
PLL
EFM
PLL
SUBQ/ADIP
DECODER
EFM ACIRC
DECODER
SECTOR
DECODER
SSB CONTROL
MONITOR I/O etc.
DRAM & PERIPHERAL CONTROL ADDRESS GENERA
TOR
AC
WDCK
S DATA
8
8
16
16
8
8
12
10
CLOCK
GENERATOR
ATRAC
DECODER
FLAG
AC LRCK
AC WDCK
AC BYCK
AC DATA
EFM DATA A/B
ECC DATA
EBA
WR REQ etc.
RD DT ECC
ATDT
XATWE
DREQ
XBUSY
5
8
8
SBD
SBA
SBW
SBR
SQREQ
2nd MSB
EFM
PLCK
3
4
8
VDD ADC
VREF
FE
ABCD
TE
VRT1
RF
VRT2
ADIP
VRT3
VSS ADC
T COUNT
DEFECT
OF TRX
VSS
NC
NC
NC
NC
VDD
TFOUT
TROUT
FROUT
FFOUT
CK176
VDD
DRA3
DRA2
DRA1
DRA0
DRA4
DRA5
DRA6
DRA7
DRA8
DRA10
DRA11
XRAS
DRA9
XOE2
XOE
XCAS
DRD2
DRD3
VSS
XWE2
XWE
DRD1
DRD0
VDD
NC
XRESET
SBUS
SCK
SINT
XBSY
DA-A
VDD
AOVTR
VCON
AOUTL
DA AGND
VDD
EMP
LRCK
AUDA
TA
BCK
VSS
DOUT
PMCK
MCK/2
VSS
MCK I-O
X1
X0
MCK
IO0
IO1
IO2
IO3
FOK
FON
ERFLAG
CRCF
TEST
ADIP
–
D
ATA
ADPLCK
EFM
PLCK
VDD
MO3
MO2
MO1
MO0
MOCK
MICK
MI3
MI2
MI1
MI0
VSS