fm93cs56 Fairchild Semiconductor, fm93cs56 Datasheet - Page 11

• Manufacturer Part Number: fm93cs56
• Description: Microwire ? Bus Interface 2048-bit Serial Eeprom With Data Protect And Sequential Read
• Manufacturer: Fairchild Semiconductor

FM93CS56 Rev. C.1
WRITE ALL CYCLE (WRALL)
PRE
PE
CS
SK
DI
DO
93CS56:
Address bits patter n -> 0-1-x-x-x-x-x-x; (x -> Don't Care, can be 0 or 1)
Data bits patter n
PROTECT REGISTER READ CYCLE (PRREAD)
PRE
PE
CS
SK
DI
DO
93CS56:
Address bits patter n -> x-x-x-x-x-x-x-x; (x -> Don't Care, can be 0 or 1)
PROTECT REGISTER ENABLE CYCLE (PREN)
PRE
PE
CS
SK
DI
DO
93CS56:
Address bits patter n -> 1-1-x-x-x-x-x-x; (x -> Don't Care, can be 0 or 1)
(Continued)
Star t
Bit
1
Star t
Bit
Star t
Bit
1
1
-> User defined
Opcode
Bits(2)
1
Opcode
Bits(2)
Opcode
Bits(2)
0
0
0
High - Z
0
0
A7
A7
A7
A6
Address
Bits(8)
A6
A6
Address
Bits(8)
Address
Bits(8)
A1
A0
A1
A1
Dummy
Bit
0
A0
A0
High - Z
High - Z
D7
D15 D14
t
CS
D1
Data
Bits(16)
D0
D1
D0
t
CS
t
CS
t
WP
Busy
Ready
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