93AA46_04 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
Opcode
Address
Data In
Data Out
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
1
10
A6 A5 A4 A3 A2 A1 A0
—
D7 - D0
1
00
11XXXXX
—
High-Z
1
11
A6 A5 A4 A3 A2 A1 A0
—
(RDY/BSY)
1
00
10XXXXX
—
(RDY/BSY)
1
01
A6 A5 A4 A3 A2 A1 A0
D7 - D0 (RDY/BSY)
1
00
01XXXXX
D7 - D0 (RDY/BSY)
1
00
00XXXXX
—
High-Z
TABLE 1-4: INSTRUCTION SET FOR 93AA56: ORG = 1 (X 16 ORGANIZATION)
Instruction SB
Opcode
Address
Data In
Data Out
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
1
10
X A6 A5 A4 A3 A2 A1 A0
—
D15 - D0
1
00
11XXXXXX
—
High-Z
1
11
X A6 A5 A4 A3 A2 A1 A0
—
(RDY/BSY)
1
00
10XXXXXX
—
(RDY/BSY)
1
01
X A6 A5 A4 A3 A2 A1 A0 D15 - D0 (RDY/BSY)
1
00
0 1 X X X X X X D15 - D0 (RDY/BSY)
1
00
00XXXXXX
—
High-Z
TABLE 1-5: INSTRUCTION SET FOR 93AA56: ORG = 0 (X 8 ORGANIZATION)
Instruction SB
Opcode
Address
Data In
Data Out
READ
EWEN
ERASE
ERAL
WRITE
WRAL
EWDS
1
10
X A7 A6 A5 A4 A3 A2 A1 A0
—
D7 - D0
1
00
11XXXXXXX
—
High-Z
1
11
X A7 A6 A5 A4 A3 A2 A1 A0
—
(RDY/BSY)
1
00
10XXXXXXX
—
(RDY/BSY)
1
01
X A7 A6 A5 A4 A3 A2 A1 A0 D7 - D0 (RDY/BSY)
1
00
0 1 X X X X X X X D7 - D0 (RDY/BSY)
1
00
00XXXXXXX
—
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
DS20067J-page 4
 2004 Microchip Technology Inc.