LG LG-E400 - Page 146

6. BLOCK DIAGRAM
- 146 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
GPIO_90~93
eMMC_DATA[8:0]
GPIO_108
GPIO 21~19
eMMC_CMD
GPIO_89
GPIO_88
eMMC_CLK
NAND_UB2/
EBI2_UB_N
eMMC 2GB
GPIO_51~54
MICRO_SD_DATA[3:0]
MICRO_SD_CMD
MICRO_SD_CLK
MICROSD DET
GPIO_56
GPIO_55
_
060$
A1[13:0]/
D1[31:0]/
SDRAM_CLK
SDRAM CKE[1:0]
EBI1_ADR[13:0]
EBI1_DQ[31:0]
EBI1_DCLK
EBI1 CKE0
n
MICROSD
_
DET
GPIO_40
SDRAM
_
CKE[1:0]
SDRAM_CS[1:0]/
SDRAM_RAS/
SDRAM_CAS/
SDRAM_WE/
SDRAM_DQM[3:0]
DDR 3Gb
SDRAM_DQS[3:0]
EBI1
_
CKE0
EBI1_CS0_N
EBI1_RAS_N
EBI1_CAS_N
EBI1_WE_N
EBI1_DM_[3:0]
EBI1 DQS [3:0]
EBI1
_
DQS
_
[3:0]
SDRAM_BA[1:0]
SDRAM_CLK/
EBI1_DCLKB
EBI1_BA_[1:0]
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LGE400 Memory Block Diagram