MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION
IC401 (CXA2551R) : RF Signal Processor for CD-R/RW
Block Diagram
31
BH01
PHC1
BHC1
RZC
RECD2
RECD1
BETAOUT
PHC2
BHC2
RRFIN
RRF
GND
MCLK
VCC
WRF
MPP
HIN
GIN
FIN
EIN
HAVC
DIN
CIN
BIN
AIN
WLDON
ERGCNT
SCLK
SDATA
XLAT
DVCC
DGND
ROPCSH
MPDSH
SPDSH
WBLSH
REPDSH
WFPDSH
DSPVCC
BGIREF
VTIREF
VCC
VC
DVC
GND
VCT1
VCT2
CNT_VC
CAV_CNT
ATFG
CEP
CEM
CEO
SWRF
WREF
APCCSW
VWDC1
VWDC2
VWDCN
VWDC
FVREF
RREF
VRDCN
VRDC
VCC
FPDO
FPDIN
GND
SMIN
SMFB
SMOUT
AGC3C
AGC2C
AGC1C
A
TFM
PHO1
BHO2
PHO2
EQRFN
EQRFP
SRFO
EFGH
AUX
VCC
MPXOUT
MSPP
RFRPIN
GND
RFRP
RFCT
RFCTC1
RFCTC2
TEIN
TE
FE
TZC
XT
OK
XT
OR
XT
AND
AGCON
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
S/H MATRIX
RFEO
RFRP
MPX
FE TE
REGISTER
PH/BH
BET
A
CE
APC
ATIP
BIAS
VC
OPAMP