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R0P7727TH003TRKE General Information Manual
SH7727
SIOF controller
SIOSCK
SIOFSYNC
TXD SIO
RXD SIO
PTK0
SIOMCLK
PTK1
SH7727 port K (PTK0)
AK4550 /PWAD pin
AK4550 ADC state
AK4550 /PWDA pin
AK4550 DAC state
Clock state
(MCLK,LRCK,SCLK)
Audio A/D.D/A converter
Rch output
Lch output
Rch input
PWAD
PWDA
Crystal
Crystal
2.048MHz
11.2896MHz
Figure 5.8 Sound Generator Control Block
150ns (Min)
Normal Operation
Power-down
Normal Operation
Power-down
The Clocks may
be stopped
Figure 5.9 AK4550 Power-on Sequence
Amplifier
circuit
Electronic volume
Power supply
controller
2081/fs
Init Cycle
Normal Operation
35
Functional Blocks
CN9
CN8
Normal Operation
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