External Memory Interface - LG TU750 Service Manual

3.1.2 External memory interface

RF calibration data, Audio parameters and battery calibration data etc are stored in flash
memory area.
A. TU750
2Gb NAND flash memory +1G SDRAM
Dev ice Part Name
NAND flash KAL00900BM-DJ55 Samsung
Table 3- 1- 1. External Memory Interface Spec. of TU750
Figure 3- 1- 2. External Memory Configuration of TU750
Data Communication
- IrDA ® (SIR)
- UARTs (ACB, EDB (RS232))
- Slave USB
Package
- 12 by 12 mm 344 balls, 0.5mm pitch FPBGA Production Package
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Maker Item Time
Program speed 200µs
Erase speed 1.5ms 1Block=(128K+4K)Bytes
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3. TECHNICAL BRIEF
Size
1Page=(2K + 64)Bytes 10.32MByte/s
88MByte/s
Speed
LGE Internal Use Only