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ESMT
Preliminary
F49L320UA/F49L320BA
Elite Semiconductor Memory Technology Inc.
Publication Date : Jan. 2008
Revision: 0.4 2/54
4. PIN CONFIGURATIONS
4.1 48-pin TSOP
4.2 Pin Description
Symbol Pin
Name
Functions
A0~A20
Address Input
To provide memory addresses.
DQ0~DQ14 Data
Input/Output
To output data when Read and receive data when Write.
The outputs are in tri-state when OE or CE is high.
DQ15/A-1
Q15 (Word mode) /
LSB addr (Byte Mode)
To bi-direction date I/O when BYTE is High
To input address when BYTE is Low
CE
Chip Enable
To activate the device when CE is low.
OE
Output Enable
To gate the data output buffers.
WE
Write Enable
To control the Write operations.
RESET
Reset
Hardware Reset Pin/Sector Protect Unprotect
BYTE
Word/Byte selection input
To select word mode or byte mode
RY/ BY
Ready/Busy
To check device operation status
V
CC
Power Supply
To provide power
GND Ground
NC No
connection
harman/kardon
AVR 260/230 Service Manual
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