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Block Diagrams
7-2
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7-2. Base Band Solution Block Diagram
R
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to
S
am
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un
de
rN
D
A
PNX4850
EMC
Host
Interface
Keypad
ROM
UART (2)
SIM I/F
I
2
C
Bridge
Audio
Subsystem
Bridge
DSP
Accelerators
RTC
Timers
(WD, GP)
Interrupt
Controller
ARM926EJ-S
MCU
JTAG
DMA
RTEC
PMU
AUX
Battery
Subsystem
AUX ADC’s
GPIO (42)
RAM
ROM
SSI
SD / MMC
LCD
FM Tuner
RFRX
RFTX
Power
Control
RF
Subsystem
PA Ramp DAC
Ceva-Teak
DSP
Vibrator
Backlight
Buzzer
PWM (3)
HSL
DEBUG
Flash
RAM
LCD
Co-processor
SYSCONFIG
Security
SCC
SMC
PSEQ
DCXO
AHB
DAI
2
Int
Ext
Handset
Headset
Loudspeaker
D_JTAG
Bluetooth
ETM 9
PCM
1
4
7
2
5
8
3
6
9
*
0
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