AT93C46B
Instruction Set for the AT93C46B
Instruction
READ
EWEN
ERASE
WRITE
ERAL
WRAL
EWDS
SB
Op Code
1
10
1
00
1
11
1
01
1
00
1
00
1
00
Address
(x16)
A5 - A0
11XXXX
A5 - A0
A5 - A0
10XXXX
01XXXX
00XXXX
Comments
Reads data stored in memory, at specified address.
Write enable must precede all programming modes.
Erase memory location An - A0.
Writes memory location An - A0.
Erases all memory locations. Valid only at VCC = 4.5V to 5.5V.
Writes all memory locations. Valid only at VCC = 4.5V to 5.5V.
Disables all programming instructions.
5