LG F7100, Service Manual

Page: 28 / 126

3. TECHNICAL BRIEF
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A-1,A0 to A21 Address inputs
DQ0 to DQ15 Data inputs / outputs
CE1
ps
, CE2
ps
Chip enable inputs for Pseudo SRAM
CEf1 , CEf2 Chip enable inputs for Nor Flash Memory
OE Output enable input
WE Write enable input
LB , UB Data byte control inputs for Pseudo SRAM
WP/ACC Write protect /program acceleration input for Nor Flash Memory
RESET Hardware reset input for Nor Flash Memory
BYTE Word/Byte onput for Nor Flash Memory
RY/ BY Ready/Busy output for Nor Flash Memory
Vcc
ps
power supply for Pseudo SRAM
Vcc
f
power supply for Nor Flash Memory
Vss Ground
DU Don’t use
NC Not connected
Table 3-8 Pin Description of U201.