Baseband Processor (Bbp) Introduction - LG KM380t Service Manual

3. TECHNICAL BRIEF

3.2 Baseband Processor (BBP) Introduction

S-GOLDradi o
Baseband
DAC
X
and
U
M
DAC
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USB FS
SRAM
FCDP
Keypad DMAC
GPIO
USI
ARMÆ 926
IrDA
MMC/SD
USIM
I
Figure 3. Top level block diagram of the S-GOLDRadio™ (PMB8888)
3.2.1 General Description
S-GOLDRadio™ is a GSM/EDGE single chip mixed signal Single Chip Radio IC containing all analog
and digital functionality of a cellular radio. Additionally S-GOLDRadio™ Provides multimedia
extensions such as camera, software MIDI, MP3 sound. It is designed as a single chip solution,
integrating the digital and mixed signal portions of the base band in 0.13um, 1.5V technology.
The chip will fully support the FR/HR/EFR/NB-AMR speech codec. S-GOLDRadio™ support multi-slot
operation modes CSD/GPRS/EGPRS (up to class 12) without additional external hardware.
LGE Internal Use Only
GS
I S /
IR-Memor y
Cip her
TEAKLit Æ
Speech
Equ alize
Deco din
DigR
Speech
and
Encod in
RF
GS
Timer Contr o
SCCU
EBU
CGU
ICU GEA-1/2/3
AUX
CAPCOM
ADC
GPT
I C
RTC JTAG
MOVE
Multimed ia IC
Camera
Disp lay
USARTs
I
I I
R
DC
FIR
Offs et
Dig R
Comp
FIR
Sigm a-Delta
GMSK
MASH
8PSK
Modula to
-
+
L
Ramp
3-wire
Gen
Ctrl
DCXO
DA
LDO
Power
S
LED
(BL
PWMís
Hands-
fr ee
SD1
Am p
(1.5V)
Powe
SD2
Charger
Con tro
(1.8V)
Copyright © 2008 LG Electronics. Inc. All right reserved.
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LPF
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PA/FE
Con tro
PL RF GP VI
LD LD LD LD
I/ RF SI AUX
LD LD LD LD
ANA RF1 USB RTC
LD LD
LD LD
Only for training and service purposes