LG -E400f Service Manual page 128

LGE400f Memory Block Diagram
MICRO_SD_DATA[3:0]
MICRO_SD_CMD
MICRO_SD_CLK
nMICROSD_DET MICROSD DET
LGE Internal Use Only
GPIO_51~54
GPIO_55
GPIO_56
GPIO_40
- 18 -
6. BLOCk DIAGRAM
eMMC_DATA[8:0]
GPIO_90~93
GPIO_108
GPIO 21~19 _
GPIO_89
eMMC_CMD
GPIO_88
eMMC_CLK
EBI2_UB_N
NAND_UB2/
A1[13:0]/
EBI1_ADR[13:0]
D1[31:0]/
EBI1_DQ[31:0]
SDRAM_CLK
EBI1_DCLK
SDRAM CKE[1:0] SDRAM_CKE[1:0]
EBI1_CKE0 EBI1 CKE0
SDRAM_CS[1:0]/
EBI1_CS0_N
SDRAM_RAS/
EBI1_RAS_N
SDRAM_CAS/
EBI1_CAS_N
SDRAM_WE/
EBI1_WE_N
SDRAM_DQM[3:0]
EBI1_DM_[3:0]
SDRAM_DQS[3:0]
EBI1 DQS [3:0] EBI1_DQS_[3:0]
SDRAM_BA[1:0]
EBI1_BA_[1:0]
SDRAM_CLK/
EBI1_DCLKB
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Only for training and service purposes
eMMC 2GB
DDR 3Gb