W49V002A Datasheet, PDF (2/32 Pages) Winbond – 256K x 8 CMOS FLASH MEMORY WITH LPC INTERFACE

Preliminary W49V002A
PIN CONFIGURATIONS
NC
NC
NC
GND
MODE
A10(GPI4)
R/#C(CLK)
VDD
NC
#RESET
A9(GPI3)
A8(GPI2)
A7(GPI1)
A6(GPI0)
A5(#WP)
A4(#TBL)
A
8
^
G
P
I
2
v
A
9
^#
GR
PE
IS
V
3 END
v T CD
R
#
C
^
C
L
K
v
A
1
0
^
G
P
I
4
v
4 3 2 1 32 31 30
A7(GPI1)
A6(GPI0)
A5(#WP)
A4(#TBL)
A3(RSV)
A2(RSV)
A1(RSV)
A0(RSV)
DQ0(LAD0)
5
29
6
28
7
27
8
32-pin
26
9
PLCC
25
10
24
11
23
12
22
13
21
14 15 16 17 18 19 20
MODE
GND
NC
NC
VDD
#OE(#INIT)
#WE(#LFRAM)
NC
DQ7(RSV)
DD G D DD D
QQ N QQ Q Q
12D3 4 5 6
^^
^^ ^ ^
LL
L RR R
AA
A S SS
DD
D V VV
12
3vvv
vv
v
1
32
2
31
3
30
4
29
5
28
6
27
7
26
8
32-pin
25
9
TSOP
24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
#OE(#INIT)
#WE(#LFRAM)
NC
DQ7(RSV)
DQ6(RSV)
DQ5(RSV)
DQ4(RSV)
DQ3(LAD3)
GND
DQ2(LAD2)
DQ1(LAD1)
DQ0(LAD0)
A0(RSV)
A1(RSV)
A2(RSV)
A3(RSV)
BLOCK DIAGRAM
#WP
#TBL
CLK
LAD[3:0]
#LFRAM
MODE
#INIT
#RESET
LPC
Interface
R/#C
A[10:0]
DQ[7:0]
#OE
#WE
Program-
mer
Interface
BOOT BLOCK
16K BYTES
PARAMETER
BLOCK1
8K BYTES
PARAMETER
BLOCK2
8K BYTES
MAIN MEMORY
BLOCK1
32K BYTES
MAIN MEMORY
BLOCK2
64K BYTES
MAIN MEMORY
BLOCK3
64K BYTES
MAIN MEMORY
BLOCK4
64K BYTES
3FFFF
3C000
3BFFF
3A000
39FFF
38000
37FFF
30000
2FFFF
20000
1FFFF
10000
0FFFF
00000
PIN DESCRIPTION
SYMB ^INTERFACE
PIN NAME
PGM LPC
MODE
*
* Interface Mode Selection
#RESET ^*
* _Reset
#INIT
* _Initialize
#TBL
* Top Boot Block Lock
#WP
* Write Protect
CLK
* CLK Input
GPI[4:0]
* General Purpose
Inputs
LAD[3:0]
* Address/Data Inputs
#LFRAM
* LPC Cycle Initial
R/#C
*
Row/Column Select
A[10:0]
*
Address Inputs
DQ[7:0] *
Data Inputs/Outputs
#OE
*
Output Enable
#WE
*
Write Enable
VDD
*
* Power Supply
GND
*
* Ground
RSV
*
* Reserve Pins
NC
*
* No Connection
-2-