93LC46/56/66
DS11168L-page 4
1997 Microchip Technology Inc.
TABLE 2-1
INSTRUCTION SET FOR 93LC46: ORG = 0 (X 8 ORGANIZATION)
TABLE 2-2
INSTRUCTION SET FOR 93LC46: ORG = 1 (X 16 ORGANIZATION)
TABLE 2-3
INSTRUCTION SET FOR 93LC56: ORG = 0 (X 8 ORGANIZATION)
TABLE 2-4
INSTRUCTION SET FOR 93LC56: ORG = 1 (X 16 ORGANIZATION)
TABLE 2-5
INSTRUCTION SET FOR 93LC66: ORG = 0 (X 8 ORGANIZATION)
TABLE 2-6
INSTRUCTION SET FOR 93LC66: ORG = 1 (X 16 ORGANIZATION)
Instruction
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
SB
1
1
1
1
1
1
1
Opcode
11
00
00
00
10
01
00
Address
Data In
—
—
—
—
—
D7 - D0
D7 - D0
Data Out
(RDY/BSY)
(RDY/BSY)
HIGH-Z
HIGH-Z
D7 - D0
(RDY/BSY)
(RDY/BSY)
Req. CLK Cycles
10
10
10
10
18
18
18
A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X
0 0 X X X X X
1 1 X X X X X
A6 A5 A4 A3 A2 A1 A0
A6 A5 A4 A3 A2 A1 A0
0 1 X X X X X
Instruction
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
SB
1
1
1
1
1
1
1
Opcode
11
00
00
00
10
01
00
Address
Data In
—
—
—
—
—
D15 - D0
D15 - D0
Data Out
(RDY/BSY)
(RDY/BSY)
HIGH-Z
HIGH-Z
D15 - D0
(RDY/BSY)
(RDY/BSY)
Req. CLK Cycles
9
9
9
9
25
25
25
A5 A4 A3 A2 A1 A0
1 0 X X X X
0 0 X X X X
1 1 X X X X
A5 A4 A3 A2 A1 A0
A5 A4 A3 A2 A1 A0
0 1 X X X X
Instruction
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
SB
1
1
1
1
1
1
1
Opcode
11
00
00
00
10
01
00
Address
Data In
—
—
—
—
—
D7 - D0
D7 - D0
Data Out
(RDY/BSY)
(RDY/BSY)
HIGH-Z
HIGH-Z
D7 - D0
(RDY/BSY)
(RDY/BSY)
Req. CLK Cycles
12
12
12
12
20
20
20
X A7 A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X X X
0 0 X X X X X X X
1 1 X X X X X X X
X A7 A6 A5 A4 A3 A2 A1 A0
X A7 A6 A5 A4 A3 A2 A1 A0
0 1 X X X X X X X
Instruction
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
SB
1
1
1
1
1
1
1
Opcode
11
00
00
00
10
01
00
Address
Data In
—
—
—
—
—
D15 - D0
D15 - D0
Data Out
(RDY/BSY)
(RDY/BSY)
HIGH-Z
HIGH-Z
D15 - D0
(RDY/BSY)
(RDY/BSY)
Req. CLK Cycles
11
11
11
11
27
27
27
X A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X X
0 0 X X X X X X
1 1 X X X X X X
X A6 A5 A4 A3 A2 A1 A0
X A6 A5 A4 A3 A2 A1 A0
0 1 X X X X X X
Instruction
ERASE
ERAL
EWDS
EWEN
READ
WRITE
WRAL
SB
1
1
1
1
1
1
1
Opcode
11
00
00
00
10
01
00
Address
Data In
—
—
—
—
—
D7 - D0
D7 - D0
Data Out
(RDY/BSY)
(RDY/BSY)
HIGH-Z
HIGH-Z
D7 - D0
(RDY/BSY)
(RDY/BSY)
Req. CLK Cycles
12
12
12
12
20
20
20
A8 A7 A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X X X
0 0 X X X X X X X
1 1 X X X X X X X
A8 A7 A6 A5 A4 A3 A2 A1 A0
A8 A7 A6 A5 A4 A3 A2 A1 A0
0 1 X X X X X X X
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
SB
1
1
1
1
1
1
1
Opcode
10
00
11
00
01
00
00
Address
Data In
—
—
—
—
D15 - D0
D15 - D0
—
Data Out
D15 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
Req. CLK Cycles
27
11
11
11
27
27
11
A7 A6 A5 A4 A3 A2 A1 A0
1 1 X X X X X X
A7 A6 A5 A4 A3 A2 A1 A0
1 0 X X X X X X
A7 A6 A5 A4 A3 A2 A1 A0
0 1 X X X X X X
0 0 X X X X X X