Hytera RD985 - Baseband Section: Block Diagram

FRONT PANEL
Audio Codec TLV320AIC29
TX OMAP5912
EMIFS EMIFF
CLK
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Mobile SDRAM
32MB
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,7
d
a
t
a
x
1
6
d
a
t
a
x
1
6
DSP
TMS320C55x
MPU
ARM926EJ-S
PLL(RX)
SKY72310
IF processor
AD9864
SPI
McBSP2
McBSP1
MPUIO/
GPIO
SPI
IIS
SI
SPI
SSI
32KHz
19.2MHz
TCXO
UART1 USB
GPIO
GPIO
JTAG
JTAG
LED
Key/knob
USB
User program
SW update
(DB9/DB26)
RS-232
(CON5)
Connector
19.2MHz
Mic
preamp
TDA8547S
Audio
preamp
PWM0/PWT
uWire
MCLK
19.2MHz
McBSP3
RX OMAP5912
CLK
DSP
TMS320C55x
MPU
ARM926EJ-S
McBSP2
McBSP1
JTAG
McBSP3
EMIFS EMIFF
79&'*%
Mobile SDRAM
32MB
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,7
d
a
t
a
x
1
6
d
a
t
a
x
1
6
JTAG
M
c
B
S
P
3
RX Unit
SPI
PLL(TX)
SKY72310
RX DAC
TLV5614
M
c
B
S
P
2
T
X
TX
Control
TX Unit
RX
Control
GPIO
DB26
RX Audio
GPIO
Program_ I/O
Speaker
MIC
GPIO
Filted/Flat Audio
MCSI
FAN1/FAN2
ADC
TLV1548
uWire
HT_Alarm Pout_Check
VSWR_Check
TX_VCO_Watch
GPIO
GPIO
RX_VCO_Watch
M
c
B
S
P
1
VOL_DET
M
c
B
S
P
2
R
X
LCD
GPS BOARD
GPIO
TX GPS-LOCK
CS1
CS2
CS2
CS0
CS3
CS3
CS3
UART3
MMP10
Data Bus From
TX OMAP
EMIFS
MCSI
UART1
RS232
(Con5)
Slot1/Slot2
19.2MHz 19.2MHz
To AD9864
To RX OMAP
74HC594
TX DAC
TLV5614
CS1
McBSP1
From 19.2MHz TCXO
32KHz
32KHz
Program_ I/O
74HC594
Synchronous Timing
EXT BOARD
19.2MHz
RX FlatǃFiltered Audio/SlotAǃSlotB Audio
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d
a
t
a
x
8
CS2
Ethernet
LAN9311
CS0
d
a
t
a
x
1
6
RJ45
RD980 ෎ᏺ⧚Ḛ೒
RD98X Block Diagram (Baseband Section)
6.4 Block Dia
g
ram
27