Hytera DMR Service Manual

Audio Codec
OMAP5912
EMIFS
EMIFF
Nor FLASH and pSRAM
FLASH: 8Mx16
pSRAM:2Mx16
Mobile SDRAM
128Mb:8Mx16
datax16
d
a
t
a
x
1
6
Speed:96MHz(max)
DSP
TMS320C55x
MPU
ARM926EJ-S
DAC
PLL
IF processor
SPI(CS1 )
SPI(CS2)
M
c
B
S
P
2
_
T
X
M
c
B
S
P
2
R
X
SPI
McBSP2
McBSP1
SPI
IIS
RTC
SPI
SSI
IIC
IIC
BB Schematic Block Diagram
GPS
UART1
UART2
or GPIO
USB1
KEY
Trax
PowerǃIO CTL
GPIOs
RF Unit
TXǃRX CTL
SSI
AUX
ADC
Audio PA
Headset
Driver
PWM0/
PWT
uWire
MCLK19.2MHz
UART3
McBSP3
LED
TX_RX
light/LED/LCD
backlight
TFT LCD
UART or
Volume
Control Head
Keytrax 3X4
SPKr
MIC
PRGM
GPIOs
MMP
ACC_ID
CS3
Mic
AMP
C
L
K
/
D
A
T
A
/
C
S
GPIOs
USB
PRGM GPIOS
ACC_ID
DC Supply
Rear
Accessory(MAP)
AUX Audio
BELL
MCLK
IGN_SENSE
EMERGENCY
ON/OFF KEY
IGN_SENSE
EMERGENCY
PWB
IGN_SENSE
EMERGENCY
PWB
Accelero
meter
IIC
GPIOs
IO Expand
32.768KHz
20ppm
TEMP_DET
LTR/OPTION
BOARD/BLUETOOTH
RXAF_DO
TXAF_DI
USB
User Program
MCSI1
EMIFS
datax8
GPIO
Expand
74hc595
74hc595
PRGM IO out
GPIO
GPIOs
CLK
32KHz
19.2MHz
TCXO
JTAG
JTAG
19.2MHz
AD9864
IIC
CP
Driver
243
MD78X/MD78XG Block Diagram (BB Section)

Hytera DMR Specifications

General

Brand	Hytera
Model	DMR
Category	Radio
Language	English