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• IC Block Diagrams
IC301 AK4517-VQ-L
IC304 RN5RZ25AA-TR
IC303 AN7535SA-E1
CLOCK
DIVIDER
CONTROL
REGISTER
I/F
AUDIO
I/F
CONTROLLER
HPF
IPGAL
MCLK
CMODE
CCLK(SSI)
CDTI(SSO)
CDTO
DGND
VD
VB
VA
AGND
VCOM
DZF
OPGAR
ROUT1
PD
RST
SSB
LIN1
RIN1
TST1
LIN2
RIN2
TST2
LIN3
RIN3
LRCK
BCLK
SDTO
SDTI
DIFO
DIFI
TST3
DCODE0
DCODE1
DCODE2
CS(SCK)
ADCL
VCMC
VCMR
ADCR
IPGAR
VRAD
LOUT2
ROUT2
VRDA
OPGAL
LOUT1
ADO
DACDBBDPGA
1
48
36
33
34
35
32
31
30
29
28
27
26
25
3839404142434445 3747 46
2
3
4
5
6
7
9
10
11
12
151413 16 24232217 18 19 20 21
8
1 7 10 122 3 54 6 8 9 11
24 23
MUTE TC
MUTE
VREF
BEEP
BEEP IN
GAIN CONTROL
PRE GND
LINE NF1
LINE IN1
IN1
IN2
LINE IN2
LINE NF2
VCC 1
RIPPLE
VCC
VCC
OUT 1
NC
CENTER OUT
GND
OUT 2
LINE OUT1
LINE VCC
LINE OUT2
NC
MUTE
22 21 20 19 18 17 16 15 14 13
VREF
VREF
VREF
VCC
DET.
RIPPLE
IC802 S-8110ANP-DSB-T2
IC501 CXA2523AR
IC972 XC61AN1102MRIC971 XC6383D331MR
–1
–2
+
–
IVR
BB
+
–
IVR
AA
+
–
IVR
CC
+
–
IVR
DD
+
–
IVR
+
–
EE
EE'
EFB TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36
BOTM
35
ABCD
34
FE
33
AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12APCREF
11APC
10PD
9F
8E
7D
6C
5B
4A
3VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+
–
–
+
AUXSW
COMMAND
+
–
IVR
GSW
+
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
–
–
–
1
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC EQ
EQ
DET
P-P
WBL
3T WBL
TEMP
PBH
–
+
USROP
+
–
USRC
3T
BPF3T
PEAK3T
1I
2J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
IC701 MPC17A58DTBEL
IC602 MN41X4400TT-10TIL
VREF
CURRENT LIMIT
VOUT
3
VDD
2
GND
1
CE
5
NC
4
4
3
2
1
VDD
VOUT
NC
VSS
TEMPERATURE
SENSOR
VREF
CHIP ENABLE
BUFFER
2STEP PFM
CONTROL
OSC 100/180kHz
NC
3
VOUT
VDD
2
CE
1
EXT
5
VSS
4
VOUT
VSS
VIN
1
2
VREF
3
DQ3
19
VSS
20
10
CLOCK
GENERATOR
ADDRESS
BUFFER
CBR REFRESH
COUNTER
ROW
DECODERS
WORDS
DRIVERS
MEMORY
CELLS
SENSE
AMPS
I/O
SELECTION
COLUMN
DECODERS
WRITE
CLOCK
GENERATOR
DATA
INPUT
BUFFER
DATA
OUTPUT
BUFFER
DQ2
18
CAS
17
OE
A8
A7
A6
A5
A4
16
DQ1
2
DQ0
1
WE
3
RAS
4
A1
7
A0
6
A9
5
A3
VDD
A2
8
9
13
14
15
12
11
PRE-DRIVER
PGND5
FS1
RS1
A OUT
VM5
AOUT B
PGND15
F01
VM1
R01
F02
PGND12
VM2
R02
FI1
RI1
FI2
PGND2
VG
SPOFF
PSB
LGND
B OUT
F03
VM4
VC
FM1
RI3
RI2
FI3
VM3
R03
PGND34
FM0
B OUT B
PGND35
PRE-DRIVER
PRE-DRIVER
PRE-DRIVER
VC
PRE-DRIVER
PRE-DRIVER
CONTROLCONTROLCONTROLCONTROLCONTROL
35 3436
321 4 5 6 7 8 9 10 11 12 13 15 16
17
18
14
26 25272829 21 2024 23 192233 32 31 30
VG
STEP
MOTOR
DRIVER
HALF
BLIDGE
DRIVER
H BLIDGE
DRIVER
CH3
H BLIDGE
DRIVER
CH1
H BLIDGE
DRIVER
CH2