LG Electronics LG-C320 service manual 115, Memory

6. BLOCK DIAGRAM

		EBI2_DATA [0:15]
		NAND_CS1_N
From PMIC	VREG _MSME_1.8V	EBI2 _ALE
		EBI2 _CLE
		EBI2_OE_N
	Memory	EBI2_WE_N
		NAND _READY
	( H8BCS0SIOBAR)
		RESOUT_N
	2 Gb NAND	SDRAM DATA [0:31]
		SDRAM_ADDR[0:14]
	+	SDRAM _CLK
	1 Gb SDRAM	SDRAM _CS_N(0)
		SDRAM_ADV_N
		SDRAM_ OE _N
		SDRAM_WE_N
		SDRAM _CLK (0)
		SDRAM _DQM[0:3]
		BT _UART_TXD
		BT_UART _RXD
	MSME_1. 8V	BT _UART_CTS
	MSMP_2. 6V	BT _UART_RTS
	BT _ANT	BT _PCM_SYNC
From BT chip ANT .		BT PCM IN
	BLUE TOOTH
		BT _PCM_OUT
		BT _PCM_CLK
		BT_WAKEUP _MSM

CAM_MCLK

CAM _PCLK

CAM _DATA [2:9]

CAM_HSYNC/VSYNC

MEGA _CAM_RESET_N	2M
	CAMERA
CAM_I 2C _SCL/SDA
MEGA _CAM _PWDN

LCD _VSYNC _OUT			VBAT
LCD_IF_MODE
LCD_MAKER _ID		LCD _LDO_2.8V	LDO
LCD_RESET_N		LCD _LDO_1.8V	CHARGE
	LCD	WLED _1:3
EBI2_WE_N / EBI2_OE_N			PUMP	LDO_EN
EBI2_DATA [0:15]		MLED_OUT		I2C_SDA , I2C_SCL	From QSC
LCD _CS _N
LCD_ADS

MICROSD_DATA [0:3]
MICRO DETECT_N	MICRO SD	VREG_MICROSD_3.0V
MICROSD_CMD/CLK	CONNECTOR
USIM _DATA / CLK / RESET_N
	SIM	VREG_USIM_2.85V	I2C COMM.
	CONNECTOR

	Crystal		MSM_WAKEUP_BT
	26 MHZ		BT_RESET_N
From SLEEP_CLK	32.768KHz		BT _ REG _ ON
Of QSC6270				QSC6270
	VBAT		WLAN_SDIO[0:3]
			WLAN_COMMEND
	MSME_1.8V		WLAN_CLK
	MSMP_2.6V
			BT _UART_TXD
			BT_UART _RXD
			BT _UART_CTS
From WLAN&BT chip ANT .	WLAN&BT ANT		BT _UART_RTS
		WIFI &BT	BT _PCM_SYNC
		MODULE	BT _PCM_IN
			BT _PCM_OUT
			BT _PCM_CLK
Crystal			BT_WAKEUP _MSM
	26 MHZ		MSM_WAKEUP_BT
From SLEEP_CLK	32.768KHz		BT_RESET_N
Of QSC6270			BT_ REG _ ON
OPTION

MOTOR DRIVE	DC MOTOR
KEYCODE_INTERRUPT	KEYCODE
KEYCODE__RESET
	IC
KEYCODE__I2C
XTAL _IN	32.768KHz
XTAL _OUT	Oscillator
MMP_XTAL _OUT	19.2MHz
	XO
SLIDE_DETECT	HALL _IC
	SLIDE KEY
	LED _
	QWETY KEY
	LED _

USB D +/-

UART1_RX/TX

VBAT

KEY_ROW[0:7]

KEY_COL[0:7]

VREG _MSME_1.8V

VBAT

VBAT

QWERTY

KEY &

NAVI _KEYMUIC_FM_AUDIO_I2C _SDA(GPIO49_P1_1.8V) MUIC /AUDIO MUIC_FM_AUDIO_I2C _SCL(GPIO50_P1_1.8V)

FM RADIO

MUIC_INT(GPIO 10_P1_1.8V)

QSC GPIO

FM RADIO	CP_ I2C_SDA(GPIO 70_P3_2.85V)
Charge Pump	CP_ I2C _SCL(GPIO71_P3_2.85V)

JTAG_TDI

JTAG_TCK

JTAG_TMS JTAG

JTAG_TRST_N

JTAG_TDO

JTAG_RTCK

VBAT

USB_VBUS

5PIN

BOOST_5V			MUIC_AUDIO_ I2C_SCL
	HP_EAR_R
		AUDIO	MUIC_AUDIO_	I2C_SDA
To.MMI CON.	HP_EAR_L	SUB	SPK_R/L
		SYSTEM
	SPK +/-	( WM9093ECS-R )	HP_R/L

	MUIC
MUIC_INT
I2C_SDA / SCL
FM RADIO I2C
	FM
FM RIGHT / LEFT	R ADIO

USB+/-	MICRO
USB _ID	MMI
	CONN.
MSME_1.8V
MSMP_2.6V
	32.768KHz	From SLEEP_CLK
		Of QSC6270

MIC_BIAS MIC FM ANT

RCV R / L

Copyright © 2010 LG Electronics. Inc. All right reserved.	- 115 -	LGE Internal Use Only
Only for training and service purposes