Sony STR-DB830 Service Manual - Page 29

Ic1201, Mb90573pfv-g-190-bnd System Controldigital Board

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IC1201 MB90573PFV-G-190-BND SYSTEM CONTROL(DIGITAL BOARD) Pin No. Pin Name I/O Description 1 SCLK O To CXD9511Q clock 2 SI I To CXD9511Q data input 3 SO O To CXD9511Q data output 4 CS O To CXD9511Q chip select 5 IC O To CXD9511Q reset(Pull Down near CXD9511Q) 6 D.SIG I ZERO data detect 7 5.1CH O 5.1CH muting. 8 VCC - Power supply +5 V 9 SIN0 I UART input. Used for rewriting flash memory 10 SOT0 O UART output. Used for rewriting flash memory 11 N.C O Not used (Connected to ground) 12 N.C O Not used (Connected to ground) 13 XHDWR O To CXD2712 data write 14 XHDRD O To CXD2712 data read 15 SOD I To CXD2712 LFE detection 16 XHDCS O To CXD2712 chip select 17 HD7 O To CXD2712 HCIF data I/O 18 HD6 O To CXD2712 HCIF data I/O 19 HD5 O To CXD2712 HCIF data I/O 20 HD4 O To CXD2712 HCIF data I/O 21 HD3 O To CXD2712 HCIF data I/O 22 HD2 O To CXD2712 HCIF data I/O 23 HD1 O To CXD2712 HCIF data I/O 24 HD0 O To CXD2712 HCIF data I/O 25 HA0 O To CXD2712 address 26 XRST O To CXD2712 reset 27 HRDY I To CXD2712 ready 28 CS O To AK4526A chip select 29 CCLK O To AK4526A clock 30 CDTI O To AK4526A data input 31 CDTO I To AK4526A data output 32 PD O To AK4526A reset 33 VSS - Ground (Connected to ground) 34 C - External power regulator capacitor 0.1u is connected to this terminal. 35 96KHz O To AK4526A Dfs 36 N.C I Not used (Connected to ground) 37 N.C I Not used (Connected to ground) 38 DVCC - Digital power supply +5 V 39 DVSS - Digital Ground (Connected to ground) 40 N.C O Not used (Connected to ground) 41 N.C - Not used (Connected to ground) 42 AVCC - Analog power supply +5 V 43 AVR+ - Power supply +5 V 44 AVR- - Ground (Connected to ground) 45 AVSS - Ground (Connected to ground) 46 EVSTB O To TC9299 strobe 47 EVDATA O To TC9299 data 48 EVCLK O To TC9299 clock 49 DISPMR I Display master request (Connected to MCU U.MREQ) 50 DISPDATA I Display data (Connected to MCU U.DATA) - 51 -

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— 51 —
IC1201
MB90573PFV-G-190-BND SYSTEM CONTROL(DIGITAL BOARD)
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I/O
Description
Pin Name
SCLK
SI
SO
CS
IC
D.SIG
5.1CH
VCC
SIN0
SOT0
N.C
N.C
XHDWR
XHDRD
SOD
XHDCS
HD7
HD6
HD5
HD4
HD3
HD2
HD1
HD0
HA0
XRST
HRDY
CS
CCLK
CDTI
CDTO
PD
VSS
C
96KHz
N.C
N.C
DVCC
DVSS
N.C
N.C
AVCC
AVR+
AVR-
AVSS
EVSTB
EVDATA
EVCLK
DISPMR
DISPDATA
O
I
O
O
O
I
O
—
I
O
O
O
O
O
I
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
I
O
—
—
O
I
I
—
—
O
—
—
—
—
—
O
O
O
I
I
To CXD9511Q clock
To CXD9511Q data input
To CXD9511Q data output
To CXD9511Q chip select
To CXD9511Q reset(Pull Down near CXD9511Q)
ZERO data detect
5.1CH muting.
Power supply +5 V
UART input.
Used for rewriting flash memory
UART output.
Used for rewriting flash memory
Not used
(Connected to ground)
Not used
(Connected to ground)
To CXD2712 data write
To CXD2712 data read
To CXD2712 LFE detection
To CXD2712 chip select
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 HCIF data I/O
To CXD2712 address
To CXD2712 reset
To CXD2712 ready
To AK4526A chip select
To AK4526A clock
To AK4526A data input
To AK4526A data output
To AK4526A reset
Ground (Connected to ground)
External power regulator capacitor 0.1u is connected to this terminal.
To AK4526A Dfs
Not used
(Connected to ground)
Not used
(Connected to ground)
Digital power supply +5 V
Digital Ground (Connected to ground)
Not used
(Connected to ground)
Not used
(Connected to ground)
Analog power supply +5 V
Power supply +5 V
Ground (Connected to ground)
Ground (Connected to ground)
To TC9299 strobe
To TC9299 data
To TC9299 clock
Display master request (Connected to MCU U.MREQ)
Display data (Connected to MCU U.DATA)
Pin No.