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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
166MHz
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.