Memory - LG C1100 Service Manual

3.7 Memory (TH50VPF5783AASB, U201)
Block Diagram
A-1 A0~A21
WP/ACC
RESET
CEf1
CEf2
RY/BYf
BYTE
WE
CE1ps
CE2ps
• 128Mbit flash memory + 32Mbit PSRAM
• 16 bit parallel data bus
• ADD01 ~ ADD22.
• 2 Chip enables for Flash memory select.
• RF Calibration data, Audio parameters and battery calibration data etc are stored in Flash
memory area.
A-1 A0~A21
A0~A20
OE
UB
LB
Figure 3-22. MEMORY BLOCK DIAGRAM
Vccf
Vss
DQ0~DQ15
(DQ0~DQ7)
128 Mbits
FLASH Memory
Vss
Vccps
328 Mbits
PSEUDO SRAM
DQ0~DQ15
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3. TECHNICAL BRIEF
DQ0~DQ15