Samsung C100 Service Manual Block Diagram

5. SG H-C100 Block Diagram

32.768
KHz

Annunciator

Keypad

Interface

GPIO

A,B,C,D,E

IrDA

Compatible

SDS Port

Debug Port

Sleep Timer

Calibration

Real Time

Clock

Timers

Clock

Enables

Pulse Width

Modulator

Keypad

Interface

GPIO Ports

DMA

Controller

Cyclic

Redundancy

Check

ARM

Interrupt

Controller

Excape

Sequence/

Flow Control

Autobaud

Gendex

IrDA Pulse

Shaper

Serial Data

Services Port

Debug Serial

Port

Clock Generation and PLL

DSP Clock

ARM Clock

Clock for

Internal

Peripherals

ARM Core

IROM

ASB
Bus

External Bus Interface

CX805

Dual Port RAM

Interrupt

Controller

Trap &

Patch

DSP Core

Timer
Cidex

Viterbi

Control

Receive

Codec

Serial Bus

SIM

Interface

IRAM

DAI

Port

Port

Port

19.5

MHz

Sys_Clk

FLASH/SRAM

Memory

AD0-AD23
D0-D15

CS1-CS7

Passive Color
or Monochrome

LCD Displays

GSM

Back-up

Battery

RX

serial

Interface

ccxo tune

osc

Clock

Generation

Serial

Interface

Modulator

CX20524

Audio

CODEC

serial

Interface

Decoupling Capacitors

Voltage

References

Internal And

System

Low Drop Out

Regulators

(LDO)

RTC

Backup LDO

Low Speed

Serial Interface

SIM Interface

FiR

FiR

2's

comp

2's

comp

Digital
Filters

ADC

S

PGA

ADC

S

PGA

Tune &
Intra frame
sequencer

status &
monitor

ramp

sequencer

burst

sequencer

DAC

10bit

SCF

DAC
10bit

SCF

DAC

S

ADC

S

Controrl Logic

CTF

CTF

General
Purpose
Outputs

CTF

CTF

CTF

Audio

Inputs

PGA

Battery

Charger

POR

Circuit

DC

ADC

8bit

Temp

Sensor

DAC
10bit

Audio

Drivers

m
u

x

m
u

x

Buffer

T/R

Switch

Controls

GPOs

LINE OUT+
LINE OUT-

SPKR O +

SPKR O -

MICBIAS

MIC IN +
MIC IN ­LINE IN+

LINE IN-

Power

Fet

SIM

CARD

DC

Frac - N
Synthesizer

Serial control

Interface

PA Gain

Controller

Battery

Battery Pack
Size Resistor

DC DC

S

CX74017

S90

SPKR

MIC

1800

LO

Gen

LO

Gen

D1

D2

PFD

Mute

Switch

CP

Stereo

Audio Headset

Battery

2.8-4.2V

900

1900

SAWs

T/R

Switch

T/R Switch Controls

CX77306

Match

Match

G

G

CMOS Bias Controller

Antenna

Match/

Filter

Match/

Filter

Coupler

Diode Detector

5-1

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