External Memory - LG GM750 Service Manual

3. Technical Brief
DDR
SDRAM
2Gbit

External Memory

(MICRO SD card)
LGE Internal Use Only
EBI1
SDRAM_ADDR[13:0]
SDRAM_DQM[3:0]
SDRAM_DQS[3:0]
SDRAM_D[31:0]
nSDRAM_WE
nSDRAM_CS
SDRAM_DCLK[1:0]
SDRAM_CKE
nSDRAM_RAS
nSDRAM_CAS
MMC_DATA[3:0]
MMC_CMD
MMC_CLK
Figure. Simplified Block Diagram of Memory Interface
nNAND_FLASH_CS
NAND_FLASH_READY
EBI2_DATA[15:0]
MSM7200A
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EBI2
nOE2
nWE2
NAND
nUB2
nLB2
4Gbit
nRESETOUT1
Only for training and service purposes