MB84VA2002-10 Fujitsu Microelectronics, Inc., MB84VA2002-10 Datasheet - Page 9

• Manufacturer Part Number: MB84VA2002-10
• Description: 8m X 8/x 16 Flash Memory & 2m X 8 Static Ram
• Manufacturer: Fujitsu Microelectronics, Inc.

Note:This command is valid while Fast Mode.
Read/
Reset
Read/
Reset
Autoselect
Program
Chip
Erase
Sector
Erase
Sector Erase Suspend
Sector Erase Resume
Set to
Fast Mode
Fast
Program
(Note)
Reset
from Fast
Mode
Extended
Sector
Protect
Address bits A
Address (SA).
Bus operations are defined in Table 2.
Both Read/Reset commands are functionally equivalent, resetting the device to the read mode.
RA =Address of the memory location to be read.
PA =Address of the memory location to be programmed. Addresses are latched on the falling edge of
SA =Address of the sector to be erased. The combination of A
RD =Data read from location RA during read operation.
PD =Data to be programmed at location PA.
SPA =Sector address to be protected. Set sector address (SA) and (A
SD =Sector protection verify data. Output 01H at protected sector addresses and output 00H at unprotected
Command
Sequence
the write pulse.
uniquely select any sector.
sector addresses.
word
Byte
word
Byte
word
Byte
word
Byte
word
Byte
word
Byte
word
Byte
word
Byte
word
Byte
word
Byte
11
Cycles
Write
Req’d
Bus
to A
1
3
3
4
6
6
3
2
2
4
20
= X = “H” or “L” for all address commands except for Program Address (PA) and Sector
Erase can be suspended during sector erase with Addr (“H” or “L”). Data (B0H)
Erase can be resumed after suspend with Addr (“H” or “L”). Data (30H)
XXXH
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
XXXH
XXXH
XXXH
XXXH
XXXH
Write Cycle
Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
555H
555H
555H
555H
555H
555H
First Bus
Table 7
AAH
AAH
AAH
AAH
AAH
AAH
F0H
A0H
90H
60H
Flash Memory Command Definitions
Second Bus
Write Cycle
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
XXXH
XXXH
555H
555H
555H
555H
555H
555H
SPA
MB84VA2002
PA
—
55H
55H
55H
55H
55H
55H
F0H
60H
PD
—
AAAH
AAAH
AAAH
AAAH
AAAH
AAAH
Write Cycle
555H
555H
555H
555H
555H
555H
SPA
Third Bus
—
—
—
A0H
20
F0H
90H
80H
80H
20H
40H
—
—
—
, A
19
, A
Fourth Bus
AAAH
AAAH
Read/Write
555H
555H
6
SPA
-10
RA
, A
PA
18
—
—
—
—
—
Cycle
, A
1
, A
/MB84VA2003
17
, A
0
AAH
AAH
) = (0, 1, 0).
RD
PD
SD
—
—
—
—
—
16
, A
Write Cycle
2AAH
2AAH
15
555H
555H
Fifth Bus
, A
—
—
—
—
—
—
—
—
14
, and A
55H
55H
—
—
—
—
—
—
—
—
13
AAAH
555H
Sixth Bus
SA
will
—
—
—
—
—
—
—
—
Cycle
Write
10H
30H
—
—
—
—
—
—
—
—
-10
9