MB84VD21081 FUJITSU [Fujitsu Component Limited.], MB84VD21081 Datasheet - Page 24

• Manufacturer Part Number: MB84VD21081
• Description: 16M (x8/x16) FLASH MEMORY & 2M (x8/x16) STATIC RAM
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

24
MB84VD2108X
1 : Both Read/Reset commands are functionally equivalent, resetting the device to the read mode.
2 : This command is valid while Fast Mode.
3 : This command is valid while RESET
4 : The valid Address is A
5 : This command is valid while Hi-ROM mode.
6 : The data “00H” is also acceptable.
Address bits A
Sector Address (SA) , and Bank Address (BA) .
Bus operations are defined in Table 2 “User Bus Operations”.
RA
PA
SA
BA
SPA
HRA
HRBA
RD
PD
SD
The system should generate the following address patterns;
uniquely select any sector.
Address of the sector to be erased. The combination of A
Bank address (A
Address of the memory location to be read.
Data to be programmed at location PA.
Sector protection verify data. Output 01H at protected sector addresses and output 00H
Data read from location RA during read operation.
Address of the memory location to be programmed.
Addresses are latched on the falling edge of the write pulse.
Sector group address to be protected. Set sector group address (SGA) and (A
Address of the Hidden-ROM area.
Word mode : 555H or 2AAH to addresses A
Byte mode : AAAH or 555H to addresses A
Bank address of the Hidden-ROM area.
at unprotectedsector addresses.
MB84VD2108X (Top Boot Type)
MB84VD2109X (Bottom Boot Type) : A
MB84VD2108X (Top Boot Type)
MB84VD2109X (Bottom Boot Type) Word mode : 000000H to 007FFFH
12
to A
19
15
to A
X
0
to A
19
“H” or “L” for all address commands except for Program Address (PA) ,
-85
)
6
.
/MB84VD2109X
V
ID
.
: A
Word mode : 0F8000H to 0FFFFFH
Byte mode : 1F0000H to 1FFFFFH
Byte mode : 000000H to 00FFFFH
15
15
-1
0
A
A
to A
and A
16
16
10
A
A
0
17
17
to A
19
, A
A
A
10
18
18
18
-85
, A
A
A
17
19
19
, A
16
A
A
, A
20
20
15
, A
1
0
14
6
, A
, A
13
1
, A
, and A
0
)
12
(0, 1, 0) .
will