
MCU
ATMEGA128L
LATCH
74HC573
SRAM
K61008 V1D
CONTROL UNIT
S1_AUDIO_L
S1_AUDIO_R
SIRIUS AUDIO
7.3728 MHz XTAL
CONTROL UNIT
ATMEGA128L
CONTROL UNIT
ATMEGA 128
CLOCK UNIT
14.576 MHz XTAL
MULTIPLEXER
MC14052
OPAMP
OPA604
L_CH
R_CH
MUTE_1
SWITCH AUDIO
IIC
SIRIUS_AUDIO_LR
HD_AUDIO_LR
UART
SIRIUS1
MINI8PIN
Transceiver
SP3232
SIRIUS UNIT
AUDIO UNIT
OPAMP
OPA604
L_CH
R_CH
MUTE
DLP1_AUDIO _L
DLP1_AUDIO_R
SIRIUS2
MINI8PIN
Transceiver
SP3232
OPAMP
OPA604
L_CH
R_CH
MUTE
DLP 1_AUDIO _L
DLP1_AUDIO_R
SIRIUS3
MINI8PIN
Transceiver
SP3232
OPAMP
OPA604
L_CH
R_CH
MUTE
DLP 1_AUDIO _L
DLP1_AUDIO_R
BUFFER
74HC126D
UP-SAMPLING
UNIT
SRC4192
UP-SAMPLING
(44.1K->96K)
AUDIO UNIT
OPAMP
OPA604
L_CH
R_CH
OPAMP
OPA604
VOUT _L
VOUT_R
L_CH
R_CH
HD_AUDIO_L
HD_AUDIO_L
MUTE
HD RADIO
MODULE
ANT
RF_DSP UNIT
FM_IN
IIS
LRCK:44.1KHz
DAC
CS43122
DAC
LRCK:96KHz
IIS
S2_AUDIO_L
S2_AUDIO_R
S3_AUDIO_L
S3_AUDIO_R
UP-SAMPLING
UNIT
24.576 MHz OSC
UART
MCU
ATMEGA128
FRONT UNIT
VFD
SPI
HD
TUNER
HD RADIO MODULE
DRI350
DSP
AFE8201
Front End
FLASH
32Mb
SDRAM
128Mb
DAC
IIS
IIC
HD AUDIO (OPTICAL, COAXIAL)
3STATE BUFFER
74HC126D
OPTICAL OUTPUT
SWITCH HD AUDIO (OPTICAL, COAXIAL)
COAXIAL OUTPUT
OPTICAL OUTPUT
COAXIAL OUTPUT
AXRI_5
AXRI_5
Block Diagram
RT-1084
12