6. BLOCK DIAGRAM. LG KG291, KG290

6. BLOCK DIAGRAM

6. BLOCK DIAGRAM

2V8_MEM

1V8_VCORE

Memory

(Intel 256

+64 PSRAM)

A(0:24)

D(0:15)

_RESET/_WR/_RD/

_WAIT/ADV/

_USB/_LSB

_RAM_CS1/_ROM_CS1

BT&FM ANT

BURSTCLK)

2V8_VSI

M

SIM_RST/ SIM_CLK

SIM_DATA

ANT_SW1/ANT_SW2/ANT_SW3

PCS_RX+/ PCS_RX- / DCS_RX+/ DCS_RX-

QP / QN

S-DATA/S_EN/S_CLK

26 _BB

Transceiver

(PMB6272)

BT_CLK(to BT)

26

EGSM_RX+/ EGSM_RX-

GSM_RX+/GSM_RX-

ANT SW

(YGHF-S006A)

BAT_TEMP(from IO)

I_MONITOR(from IO)

2V8_VMEM

RF_TEMP

VBAT

2V75_VV

CXO

EGSM_TX_IN

DCSPCS_TX_IN

EGSM_TX

PAM

(SKY77318)

DCSPCS_TX

Mobile SW

(KMS505)

PA_EN/PA_BAND/

TX_RAMP

REMARK

2.11V_VBACK

VBACKUP

VBAT

2.8/1.8V

LDO

2V8MV /

CAM__PWR_EN

VBAT

1.8/2.8V

LDO

Control Signal

Audio Signal

RF Signal

VBAT/

BT_ANT

BT_LDO_EN

BT_RST/BT_MAINCLK_EN

CLK32K

Blue Tooth

DEBUG_TX /

I2S1

DBB_BT_INT

USC0 / PCM_SYNC/usc4/USC5

FM_AUDO_R/L

26M_BT USIF

SPK_SEL

VIBRATOR

Base Band Chip

( AD6721)

BT_RST/CLK32K(to BT)

VBAT

CLK32K

CHGRGING

IC

(ISL6299)

JACK_DETECT/HOOK_DETECT

_CHG_EN

_CHG_STAT

BAT_TEMP

SLIDE

USC1/USC2/USC3/USC4/USC5

USART0

DEBUG_TX/DEBUG_RX

USART1

(TO MEMORY)

DATA00:15

MULTI_BYPASS

ADD01/_RD/_WR/

DATA00~15

_MULTI_INT

13M_AIT

(TO

MIC)MULTI_MIC_

P/N

AIT813

-BS

C_MCLK

C_SCK/SDA

C_RST

C_VS/C_HS

C_PCLK

C_CCD0:CCD7

L_DATA00~15/VSYNCOUT

LCD_RS /L_MAIN_LCD_CS/LCD_WR /LCD_RESET

TF_CMD/TF_CLK

TF_DETECT

TF_DAT(0:3)

2V8_TF

2.8VLDO

TFLASH_EN

Clock Signal

Power Signal

VB

SPK_P/SPK_N

SPK_RCV_P/SPK_RCV_N

(to IF Connector)

FM_AUDIO_R/L

I2S_S

WS

AUXOP_R/L

HEADSET_PATH_SEL

AUXIN/P (From BB)

SPK_RCV_SEL

(From BB)

HEADSET

HEADSET_DETECT

(to BB)

HEADSET_OUT_R/L

USBDP/USBDM

USB

TDO1/TDI/TCK/TMS/_RESET/JTAGEN

JTAG

USB_VU

SB

VNNORP

/N

MULTI_MIC

_P/N

MIC(-42 )

MIC_P/N

VBACK

VBACK

UP

2V,0.5 h

SLIDE

VB

10

MIC_SPK_SEL

SPK_RCV_P/SPK_RCV_N 1810

Oval

Charge

Pump MLED1:2

MLED

MLED

MLED(1:2)

OSCIN/OUT

BT_LDO_EN/USB_DET/TF_DETECT/JACK_LDO_EN

L_DATA00~15/VSYNCOUT

L_DATA00~15/VSYNCOUT/

LCD_RS /L_MAIN_LCD_CS/LCD_WR /LCD_RESET

LCD_RS /LCD_IFMODE/L_MAIN_LCD_CS/LCD_WR /LCD_RESET

KEY_ROW0:4

VB

AT

KEY_COL3:4

KEY_ROW0:4

KEY_COL0:2

VB

AT

MOTIR

(from BB)

VIB_O

KEY_ROW0:4

KEY_COL3:4

POWERKEY

LED_KEY

KEY_BACKLIGHT(fr om BB)

KEY_BACKLIGHT(from BB)

POWERKEY

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