Pioneer VSX-321-K-P Service Manual page 34

1
A
• Block Diagram
RXIN 0
RXIN 1
RXIN 2
RXIN 3
B
RXIN 4/ASCKI 0
RXIN 5/ABCKI 0
RXIN 6/ALRCKI 0
R X N I 7 A / D N I 0
MPIO_ A0
MPIO_ A1
MPIO_ A
MPIO_ A2
SELECTOR
MPIO_ A3
C
VINL
VINR
VCOM
MPIO _C0
MPIO _C1
MPIO_ C
MPIO _C2
SELECTOR
D
MPIO _C3
XTI
XTO OSC
MC /SCL
E
MDI /SDA
2
SPI/I C
MDO /ADR 0
INTERFACE
MS/ADR 1
RST
Reset
and Mode
MODE
Set
F
34
1
2
FILT
AUXIN 0
RXIN0
RXIN1
PLL
RXIN2
RXIN3
Lock :DIR
RXIN4
Unlock:ADC
RXIN5 Clock/ Data
Recovery
RXIN6
R X N I 7
RXIN8
Lock Detection
RXIN9
RXIN10
RXIN11 RECOUT 0
DITOUT RECOUT 1
ADC
ADC Mode
ADC
Control
Com. Supply
ADC Standalone
AUXIN1
ADC Clock
(SCK /BCK/LRCK)
Divider
XMCKO
(To MPIO _A & MPO0/1 )
XMCKO
Divider
REGISTER
Function DIR CS
Control ( 48-bit)
GPIO/GPO DIT CS
Data ( 48-bit)
POWER SUPPLY
ADC DIR
ANALOG ANALOG
VCCAD AGNDAD VCC AGND
2
3
AUTO
DIR
DIR
DOUT
ADC
AUXIN0
SCKO/ BCK/LRCK
AUXIN1
AUXIN2
AUTO
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
AUTO
DIR
ADC
AUXIN0
AUXIN1
Secondary BCK / LRCK
Divider
Selector
EXTRA DIR FUNCTIONS
DIR DIR
ERROR DETECTION
P and P f Calculator
C D S
Non-PCM DETECTION
f Calculator
S
All Port Flags
DIR Interrupt
f Calculator
S
DTS-CD/LD Detection
Validity Flag
User Data
Channel Status Data
BFRAME Detection
DIR
ALL
ANALOG Interrupt System
VDDRX GNDRX DVDD DGND
HTP-071
3
4
RXIN7
MAIN
OUTPUT
PORT
DIT
RECOUT0
MPO 0
RECOUT1 MPO0/1
MPO 1
SELECTOR
DITOUT
MPIO_B0
MPIO_B1
AUXOUT MPIO _B
MPIO_B2
SELECTOR
AUXIN 2
MPIO_B3
SBCK /SLRCK
( to MPIO_A )
ERROR /INT0
NPCM /INT1
MPIO_ A
MPIO_ B
MPIO_ C
MPO0
MPO1
4
SCKO
BCK
LRCK
DOUT