Hytera PD415 - 10 Block Diagram; Overall Diagram of Radio

Block Diagram
VHF1 (136
‐
174 MHz)
32
10. Block Diagram
10.1 Overall Diagram of Radio
Audio Codec
TLV3204
OMAP132
E
M
I
F
S
E
M
I
F
F
CLK
E2PROM
BB Processor
SCT3928
MCU
STM32F101VET6
GPIOs
SPI
IIS
USB
SPI3
Mic
preamp
Audio
preamp
MCLK
12.288MHz
FGU
module
RF
Control
RF Unit
HPI
MCLK
12.0MHz
XTAL
SPI2
UART
AUDIO
AMP
I2C
LCD
HPI
HPI
IIS
I2C2
Security
Key
UART1
Key Board
GPIOs
MCLK
I2C
I2C
IIS
TX
module
RX
module
Tx/Rx
Switch
ANT
AF
SW_channel
GPIOs
LED
GPIOs
GPIOs