Denon PMA-50 - Block Diagram

SPI
0Ω
PWM
DSP1 RST
MUTE
DSP1 RST MUTE
SW det
I2C
SPI
PCM
P_DOWN
PCM
-6dB
Attenuate
USB
D+ / D-
BT anatenna
On board or
External
INT
USB-B- DSD
0Ω
RESET
SPI
INT
MCLK
BT SPDIF
DIR
SPI
ANALOG
MCLK
LED
PWM
Digital
Modulator
SMPS
PWM
PWM
Feedback
Proccesor
H/P det
SW det
H/P out
SW out
VBUS
CLK SEL
MUTE
DSD / PCM
H/P det
CLK SEL DSD / PCM
X-TAL
CSRA6600
DSP2_MUTE
26MHz SPIFLASH
DSP for USB data convert
MCLK
COAX SPDIF
OPT2 SPDIF
OPT1 SPDIF
Config ROM
(Protection)
POWER CONTROL
108MHz
AUX In
USB-B
COAX
OPT2
OPT1
Input Buffer
X-TAL M25L4006EM1I-12G
TMS320C6748BZWT
BLUETOOTH
MODULE
NFC IC
NFC anatenna
TC74VHC157FT
MCLK SELECTOR
MCLK SEL
DSD→PCM Convert
ADSP21477KCPZ-1A
SPI
VBUS det
22.5792MHz
X-TAL X-TAL
22.576MHz
PCM9211
SYS U-COM
EPCS4SI8N
(Standby,
Input, BT)
Aceleration
Sensor
LPF + Buffer
PWM
X-TAL
Rch SPK
Lch SPK
FPGA
for
Advanced AL32
EPCQ16SI8N
TACT SW
DSD/PCM SELECTOR
USB-B- PCM
GPIO/Interrupt
MXS4046
128*100 DOT OLED
Gate Driver,
Power MOS-FET,
LPF
Gate Driver,
Power MOS-FET,
LPF
TC74VHC157FT
CSRA6601
BLOCK DIAGRAM
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