LG LG-V909DW - 3.10 External memory interface

3. TECHNICAL BRIEF
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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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3.10 External memory interface
3.10.1. Introduction
Since LGV909DW contains communication and application processor, memory is dedicated only for each
processor. MDM6600 (QCT modem) uses MCP (Multi Chip Package) 1Gb nand / 512Mb LPDDR1 and T20 uses
1GB LPDDR2 and 32GB eMMC nand memory.
3.10.2.LGV909DW MDM6600 (QCT Modem) memory Interface
-Multi Chip Package : DDR SDRAM and NAND Flash merged 1 package
-512Mbit Mobile DDR SDRAM / 1Gbit NAND Flash
Interface Spec
Part Name Product Gr Maker Operation Voltage Speed
NAND 1.8V
45ns H8BCS0QG0MMR-
46M
SDRAM
Hynix
1.8V 1
66MHz
3.10.3. LGV909DW T20 memory Interface
- Package on Package on T20: DDR2 SDRAM
- 32GB eMMC 4.4 version
LPDDR2
Interface Spec
Part Name Product Gr Maker Operation Voltage Speed
K48G304EC-FGC1 SDRAM SAMSUNG
1.8V/1.2/1.2/1.2 DDR2 800
(400MHz)
8GB NAND
Interface Spec
Part Name Product Gr Maker Operation Voltage Speed
THGBM2G6D2FBAI9 NAND Toshiba 2.8V 31MB/s for read
20MB/s for write
3.10.4. External SD card memory Interface
LGV909DW doesn’t supports external SD card.