Pin Description - Harman Kardon AVR 360 Service Manual

harman/kardon
ESMT
4. PIN CONFIGURATIONS
4.1 48-pin TSOP

4.2 Pin Description

Symbol
A0~A20 Address Input
DQ0~DQ14 Data Input/Output
Q15 (Word mode) /
DQ15/A-1
LSB addr (Byte Mode)
Chip Enable
CE
Output Enable
OE
Write Enable
WE
Reset
RESET
Word/Byte selection input
BYTE
Ready/Busy
RY/ BY
V Power Supply
CC
GND Ground
NC No connection
Elite Semiconductor Memory Technology Inc.
Preliminary
Pin Name
To provide memory addresses.
To output data when Read and receive data when Write.
The outputs are in tri-state when OE or CE is high.
To bi-direction date I/O when BYTE is High
To input address when BYTE is Low
To activate the device when CE is low.
To gate the data output buffers.
To control the Write operations.
Hardware Reset Pin/Sector Protect Unprotect
To select word mode or byte mode
To check device operation status
To provide power
F49L320UA/F49L320BA
Functions
Publication Date : Jan. 2008
Revision: 0.4
AVR 360/230 Service Manual
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