External Memory Interface - LG KF750 Service Manual

3. TECHNICAL BRIEF

3.1.2 External memory interface

RF calibration data, Audio parameters and battery calibration data etc are stored in flash memory
area.
A. KF750
• 2Gb NAND flash memory +1G SDRAM
D D evi ce ce
P ar t N am e M aker
NAND f l ash KAL00900BM -DJ55 Sam sung
• Data Communication
- IrDA ® (SIR)
- UARTs (ACB, EDB (RS232))
- Slave USB
LGE Internal Use Only
D evi ce
P ar t N am e M aker er
I t em Ti m e
Figure 3-1-1 KF750 Block Diagram
Figure 3- 1- 2. External Memory Configuration of KF750
P ar t N am e M aker
I t em em Ti m e
S i ze S peed
Pr ogr am speed 200µs 1Pa ge=( 2K + 64)Byt es 10. 32M Byt e/ s
Er ase speed 1. 5m s 1B l ock=( 128K+4K)Byt es
• Package
- 12 by 12 mm 344 balls, 0.5mm pitch
FPBGA Production Package
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 24 -
I t em Ti m e
S i ze S pee eed
88M Byt e/ s
Only for training and service purposes
S i ze S peed