Yamaha DRX-2 Service Manual page 118

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DRX-2
SDRAM address lines of Link+Codec IC7431
MCAS
SDRAM column address strobe signal
MCLK
SDRAM clock signal
MD (0:15)
SDRAM data lines of Link+Codec IC7431
MRAS
SDRAM row-address strobe signal
MWE
SDRAM write enable signal
PCM1
Audio Serial Data Output of Link+Codec IC7431
PCM1_NEW
'MSB justified' to I2S converted audio serial data; audio serial
data input of audio DAC UDA1334A
PD (0:15)
Data bus lines for Host I/F of Link+Codec IC7431
PHY_D (0:7)
Data bus connection between PHY and LINK device
RESETn
DVIO board reset
RESET_FM
Reset signal driven by Flashmaster programming device
RESTB
Reset input of Link+Codec IC7431
RTSN
Request to Send
RWZ
Parallel interface read/write control input of Link+Codec
IC7431
RXD
Receive Data
SCLK
Link control output clock
TXD
Transmit Data
VPP
+10V switchable programming voltage of microcontroller
YUV (0:7)
Digital Video
118

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