LG TracFone LG840G Service Manual page 33

DDR
SDRAM
1Gbit
External
Memory
(u-SD card)
LGE Internal Use Only
EBI1
SDRAM_CKE
SDRAM_CLK_P
SDRAM_CLK_N
SDRAM_CS_N
SDRAM_WE_N
SDRAM_RAS_N
SDRAM_CAS_N
SDRAM_DQM[0:1]
QSC6270
SDRAM_DQS[0:1]
ADDRESS[0:15]
DATA[0:15]
MICROSD_CLK
MICROSD_CMD
MICROSD_DETECT
MICROSD_DATA[0:3]
Figure 3.5.2.1 The memory control blocks
- 33 -
3. TECHNICAL BRIEF
EBI2
EBI2_CS1_N
EBI2_WE_N
EBI2_OE_N
NAND
EBI2_ALE
E ROM
2
EBI2_CLE
2Gbit
RESOUT_N
NAND_READY
EBI2_DATA[0:15]
USIM_RST
USIM_CLK USIM
USIM_DATA
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes