Sharp XL-55

XL-55/55C
– 42 –
IC801 VHiMN6627482W: Servo/Signal Control (MN6627482W)
STAT X1 X2 MSEL CSEL PMCK(PLAY) GIO2(FCLK) SMCK BYTCK(TRVSTP) VCOF VCOF2 MDATA MCLK MLD PSEL RSEL(GIO3) ARF DRF I
REF
DSLF PLLF2 PLLF EFM(CK384) PCK(DSLB) AV
DD2
AV
SS2
SUBQ SOCK(GIO0) SSEL FLAG6(RESY) IOSEL DEMPH SUBC SBCK GIO1(/CLDCK) BLKCK CRC CLVS SRDATAIN(PSEL) BCLKIN(SSEL) LRCKIN(MSEL)
V DD
V SS
DV DD1
DV SS1
/RST
/TEST
FE
RFENV
TE
TRCRS
BDO
VDET
/RFDET
OFT
SENSE
WVEL
LDON
/FLOCK /TLOCK
FBAL TBAL
FOD
TRD
TVD
VREF
TRV
KICK
TOFS
DMUTE
BCLK
SRDATA
LRCK
OUTR
AV
DD1
AV
SS1
OUTL
IPFLAG
FLAG
PC
ECS
ECM
TIMING
GENERATOR
PITCH CONTROL
MICRO
COMPUTER
INTERFACE
SERVO
CPU
A/D CONVERTER
INPUT PORT
SERVO TIMING
GENERATOR
VCO
OUTPUT PORT
D/A
CONVERTER
INTER
POLATION
SOFT MUTING
DIGITAL
ATTENUATION
CLV
SERVO
DIGITAL
AUDIO
INTERFACE
16k
SRAM
PWM
(L)
PWM
(R)
1 BIT DAC
PWMLOGIC
8TIMES
OVER
SAMPLING
DIGITAL FILTER
DIGITAL
DEEMPHSIS
DSL • PLL VCO
SUBCODE
BUFFER
EFM DEMODULATION
SYNC INTERPOLATION
SUBCODE DEMODULATION
CD-TEXT
BUFFER
CIRC ERROR CORRECTION
DEINTERLEAVE
-
+
-
+
TX
Figure 42 BLOCK DIAGRAM OF IC