External Memory Interface - LG -V909DW Service Manual

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
Part Name
H8BCS0QG0MMR-
46M
3.10.3. LGV909DW T20 memory Interface
- Package on Package on T20: DDR2 SDRAM
- 32GB eMMC 4.4 version
LPDDR2
Part Name
K48G304EC-FGC1
8GB NAND
Part Name
THGBM2G6D2FBAI9
3.10.4. External SD card memory Interface
LGV909DW doesn't supports external SD card.
LGE Internal Use Only
Interface Spec
Product Gr Maker
NAND Hynix
SDRAM
Interface Spec
Product Gr Maker
SDRAM SAMSUNG
Interface Spec
Product Gr Maker
NAND Toshiba
Operation Voltage
1.8V
1.8V
Operation Voltage
1.8V/1.2/1.2/1.2
Operation Voltage
2.8V
- 42 - Copyright © 2011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
Speed
45ns
166MHz
Speed
DDR2 800
(400MHz)
Speed
31MB/s for read
20MB/s for write
Only for training and service purposes