Onkyo TX-L55 Service Manual page 31

IC BLOCK DIAGRAMS AND DESCRIPTIONS
CS494003(Audio Decoder DSP)
BLOCK DIAGRAM
Compressed
Digital
Interface
Frame
Shifter
Digital
Audio
Input
DSP AB
Buffer
PLL Clock
Manager
AUDATA1
AUDATA0
110
CMPCLK, FSCLKN2
HDATA2, GPIO2
VSS3
VDD3
HDATA1, GPIO1
115
HDATA0, GPIO0
CMPREQ, FLRCLKN2
CMPDAT, FSDATAN2
FLRCLKN1
WR, DS, GPIO10
120
RD, R/W, GPIO11
PLLVSS
FILT2
FILT1
PLLVDD
125
XTALO
CLKIN, XTALI
CLKSEL
CS, GPIO9
A0, GPIO13
130
FSDATAN1
VDD4
VSS4
FSCLKN1, STCCLK2
SCS
135
SCDIN
VSS5
VDD5
A1, GPIO12
SCDOUT, SCDIO
140
HINBSY, GPIO8
SCCLK
UHS2, CS_OUT, GPIO17
RESET 144
Multi-Standard
Audio Decoder
Input
Paraller or Serial
Host Interface
RAM
SAI0
Serial
SAI1
Audio
SAI2
Interface
SAI3
DSP C
Digital
Audio
Programmable
Output
32-Bit DSP
DSP
DSP
ROM
RAM
SD_ADDR10, EXTA10
SD_BA, EXTA19
VDDSD1
70
VSSSD1
SD_CS
SD_ADDR4, EXTA4
SD_ADDR5, EXTA5
65 SD_ADDR6, EXTA6
SD_CLK_EN
SD_ADDR7, EXTA7
SD_ADDR8, EXTA8
SD_CLK_IN
SD_ADDR9, EXTA9
60
SD_CLK_OUT
VDDSD2
VSSSD2
SD_DATA8, EXTA11
SD_DATA9, EXTA12
55
SD_DATA10, EXTA13
SD_DATA11, EXTA14
SD_DATA12, EXTA15
VDDSD3
VSSSD3
50
SD_DATA13, EXTA16
NC5
SD_DATA14, EXTA17
SD_DATA15, EXTA18
45 SD_DQM1
SD_DATA7, EXTD7
SD_DATA6, EXTD6
VDDSD4
VSSSD4
SD_DATA5, EXTD5
40
SD_DQM0
SD_DATA4, EXTD4
SD_DATA3, EXTD3
TX-L55/LR552
External Memory
Interface
DAO 0
DA01
GPIO and I/O
Controller
Paraller or Serial
Host Interface