Samsung SGH-C100 Service Manual page 25

5. SG H - C 100 Bl ock D i agr am
Sleep Timer
Calibration
32.768 Clock Generation and PLL
Real Time
KHz Clock
Timers
DSP Clock
Clock
ARM Clock
Enables
Annunciator
Pulse Width
Modulator
Keypad
Keypad
Interface
Interface
IROM
GPIO
GPIO Ports
A,B,C,D,E
External Bus Interface
DMA
Controller
Cyclic
Redundancy
Check
ARM
Dual Port RAM
Interrupt
Controller
Excape Interrupt
Sequence/ Controller
Flow Control
Trap &
Patch
Autobaud
Gendex
DSP Core
IrDA Pulse
IrDA
Shaper
Compatible
SDS Port
Serial Data
Services Port
Debug Port
Debug Serial
Port
19.5
MHz
Clock for
Internal
Sys_Clk
Peripherals
FLASH/SRAM
ARM Core
Memory
AD0-AD23
D0-D15
ASB
IRAM
CS1-CS7
Bus
Passive Color
or Monochrome
LCD Displays
GSM
CX805
DAI
Timer
Cidex
Viterbi
Control
Port
Receive
Port
Codec
Port
Back-up
Battery
Serial Bus
SIM
Interface
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ADC
RX
S
PGA
serial FiR CTF
Interface
ADC
S PGA
CTF
FiR
DC
ccxo tune
T/R
osc Switch
Controls
Tune & General
Intra frame Purpose
Clock
Generation sequencer Outputs
GPOs
status &
ADC
Serial
monitor
8bit
Interface
ramp
Temp
sequencer
Sensor
burst
DAC
sequencer
10bit
2's
DAC
comp
10bit SCF CTF
2's
DAC
comp
10bit SCF CTF
Audio
CX20524
Drivers
LINE OUT+
LINE OUT-
SPKR O +
DAC
Audio
S CTF
Digital
CODEC
Audio MIC IN +
Filters
serial
m
MIC IN -
Inputs
Interface
u
LINE IN+
ADC
x
S
PGA
Voltage
References
m
Internal And u
System
x
Low Drop Out Buffer
Regulators
(LDO)
Power
Fet
Battery
RTC
Charger
Backup LDO
Low Speed
POR
Battery Pack
Serial Interface
Size Resistor
Circuit
SIM
CARD
SIM Interface
5- 1
900
1800
DC DC
DC
S
Frac - N
1900
Synthesizer LO
Gen
Serial control
Interface
CX74017
LO
Gen
PA Gain
Controller
D1
90 S
D2 CP
PFD
SPKR
MIC
Mute
Switch
Stereo
Audio Headset
Battery
Antenna
SAWs
T/R
Switch
Coupler
T/R Switch Controls
CX77306
Match/
Match G
Filter
Match/
Match G
Filter
CMOS Bias Controller
Diode Detector