93LC46/56/66
TABLE 1-1:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
INSTRUCTION SET FOR 93LC46: ORG = 1 (X 16 ORGANIZATION)
SB
1
1
1
1
1
1
1
Opcode
10
00
11
00
01
00
00
Address
A5 A4 A3 A2 A1 A0
1 1 XXXX
A5 A4 A3 A2 A1 A0
1 0 XXXX
A5 A4 A3 A2 A1 A0
0 1 XXXX
0 0 XXXX
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
25
9
9
9
25
25
9
TABLE 1-2:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
INSTRUCTION SET FOR 93LC46: ORG = 0 (X 8 ORGANIZATION)
SB
1
1
1
1
1
1
1
Opcode
10
00
11
00
01
00
00
Address
A6 A5 A4 A3 A2 A1 A0
11XXXXX
A6 A5 A4 A3 A2 A1 A0
10XXXXX
A6 A5 A4 A3 A2 A1 A0
01XXXXX
00XXXXX
Data In
—
—
—
—
D7 - D0
D7 - D0
—
Data Out
D7 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
Req. CLK
Cycles
18
10
10
10
18
18
10
TABLE 1-3:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
INSTRUCTION SET FOR 93LC56: ORG = 1 (X 16 ORGANIZATION)
SB
1
1
1
1
1
1
1
Opcode
10
00
11
00
01
00
00
Address
X A6 A5 A4 A3 A2 A1 A0
11XXXXXX
X A6 A5 A4 A3 A2 A1 A0
10XXXXXX
X A6 A5 A4 A3 A2 A1 A0
01XXXXXX
00XXXXXX
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
TABLE 1-4:
Instruction
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
INSTRUCTION SET FOR 93LC56: ORG = 0 (X 8 ORGANIZATION)
SB
1
1
1
1
1
1
1
Opcode
10
00
11
00
01
00
00
Address
X A7 A6 A5 A4 A3 A2 A1 A0
11XXXXXXX
X A7 A6 A5 A4 A3 A2 A1 A0
10XXXXXXX
X A7 A6 A5 A4 A3 A2 A1 A0
01XXXXXXX
00XXXXXXX
Data In
—
—
—
—
D7 - D0
D7 - D0
—
Data Out
D7 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
Req. CLK
Cycles
20
12
12
12
20
20
12
DS21712B-page 4
2004 Microchip Technology Inc.