93AA46_13 Datasheet, PDF (4/22 Pages) Microchip Technology – 1K/2K/4K 1.8V Microwire Serial EEPROM

93AA46/56/66
TABLE 1-2: INSTRUCTION SET FOR 93AA46: ORG = 1 (X 16 ORGANIZATION)
Instruction SB
Opcode
Address
Data In
Data Out
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
1
10
1
00
1
11
1
00
1
01
1
00
1
00
A5 A4 A3 A2 A1 A0
11XXXX
A5 A4 A3 A2 A1 A0
10XXXX
A5 A4 A3 A2 A1 A0
01XXXX
00XXXX
—
—
—
—
D15 - D0
D15 - D0
—
D15 - D0
High-Z
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
(RDY/BSY)
High-Z
TABLE 1-3: INSTRUCTION SET FOR 93AA46: ORG = 0 (X 8 ORGANIZATION)
Instruction SB
READ
1
EWEN
1
ERASE
1
ERAL
1
WRITE
1
WRAL
1
EWDS
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
TABLE 1-4: INSTRUCTION SET FOR 93AA56: ORG = 1 (X 16 ORGANIZATION)
Instruction SB
READ
1
EWEN
1
ERASE
1
ERAL
1
WRITE
1
WRAL
1
EWDS
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
TABLE 1-5: INSTRUCTION SET FOR 93AA56: ORG = 0 (X 8 ORGANIZATION)
Instruction SB
READ
1
EWEN
1
ERASE
1
ERAL
1
WRITE
1
WRAL
1
EWDS
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
25
9
9
9
25
25
9
Req. CLK
Cycles
18
10
10
10
18
18
10
Req. CLK
Cycles
27
11
11
11
27
27
11
Req. CLK
Cycles
20
12
12
12
20
20
12
DS20067K-page 4
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