Memory - LG C1150 Service Manual

3. TECHNICAL BRIEF
3.7 Memory (TH50VPF5783AASB, U201)
A-1 A0~A21
WP/ACC
RESET
CEf1
CEf2
RY/BYf
BYTE
WE
OE
CE1ps
CE2ps
UB
LB
• 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.
Vccf
A-1 A0~A21
128 Mbits
FLASH Memory
Vccps
A0~A20
32 Mbits
PSEUDO SRAM
Figure 3-21. MEMORY BLOCK DIAGRAM
- 40 -
Vss
DQ0~DQ15
(DQ0~DQ7)
Vss
DQ0~DQ15
DQ0~DQ15