Harman Kardon AVR 460 Service Manual ▷ View online
ESMT
F25L004A
Elite Semiconductor Memory Technology Inc.
Publication Date: Apr. 2007
Revision:
1.2
2/32
PIN CONFIGURATIONS
8-PIN SOIC
8-PIN PDIP
0
1 8
2 7
3 6
4 5
1 8
2 7
3 6
4 5
VDD
HOLD
SCK
SI
CE
SO
WP
VSS
1 8
2 7
3 6
4 5
VDD
HOLD
SCK
SI
CE
SO
WP
VSS
harman/kardon
AVR 460/230 Service Manual
Page 57 of 142
ESMT
F25L004A
Elite Semiconductor Memory Technology Inc.
Publication Date: Apr. 2007
Revision:
1.2
3/32
PIN Description
Symbol Pin
Name
Functions
SCK Serial
Clock
To provide the timing for serial input and
output operations
output operations
SI
Serial Data Input
To transfer commands, addresses or data
serially into the device.
Data is latched on the rising edge of SCK.
serially into the device.
Data is latched on the rising edge of SCK.
SO
Serial Data Output
To transfer data serially out of the device.
Data is shifted out on the falling edge of
SCK.
Data is shifted out on the falling edge of
SCK.
CE
Chip Enable
To activate the device when CE is low.
WP
Write Protect
The Write Protect ( WP ) pin is used to
enable/disable BPL bit in the status
register.
enable/disable BPL bit in the status
register.
HOLD
Hold
To temporality stop serial communication
with SPI flash memory without resetting
the device.
with SPI flash memory without resetting
the device.
VDD
Power Supply
To provide power.
VSS Ground
harman/kardon
AVR 460/230 Service Manual
Page 58 of 142
harman/kardon
AVR 460/230 Service Manual
Page 59 of 142
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.
The outputs are in tri-state when OE or CE is high.
DQ15/A-1
Q15 (Word mode) /
LSB addr (Byte Mode)
LSB addr (Byte Mode)
To bi-direction date I/O when BYTE is High
To input address when BYTE is Low
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 460/230 Service Manual
Page 60 of 142
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