93AA46A_07 Datasheet, PDF (7/38 Pages) Microchip Technology – 1K-16K Microwire Compatible Serial EEPROMs

93XX46X/56X/66X/76X/86X
TABLE 2-3: INSTRUCTION SET FOR 93XX46A/B/C
Instruction SB Opcode
Address
Data In
Data Out
Req.
CLK
Cycles
93XX46B OR 93XX46C WITH ORG = 1 (16-BIT WORD ORGANIZATION)
ERASE
1
11
A5 A4 A3 A2 A1 A0 — (RDY/BSY) 9
ERAL
1
00
1 0 x x x x — (RDY/BSY) 9
EWDS
1
00
00xxxx —
High-Z
9
EWEN
1
00
11xxxx —
High-Z
9
READ
1
10
A5 A4 A3 A2 A1 A0 —
D15-D0
25
WRITE
1
01
A5 A4 A3 A2 A1 A0 D15-D0 (RDY/BSY) 25
WRAL
1
00
0 1 x x x x D15-D0 (RDY/BSY) 25
93XX46A OR 93XX46C WITH ORG = 0 (8-BIT WORD ORGANIZATION)
ERASE
1
11
A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY) 10
ERAL
1
00
1 0 x x x x x — (RDY/BSY) 10
EWDS
1
00
00xxxxx —
High-Z
10
EWEN
1
00
11xxxxx —
High-Z
10
READ
1
10
A6 A5 A4 A3 A2 A1 A0 —
D7-D0
18
WRITE
1
01
A6 A5 A4 A3 A2 A1 A0 D7-D0 (RDY/BSY) 18
WRAL
1
00
0 1 x x x x x D7-D0 (RDY/BSY) 18
TABLE 2-4: INSTRUCTION SET FOR 93XX56A/B/C
Instruction SB Opcode
Address
Data In
Data Out
Req.
CLK
Cycles
93XX56B OR 93XX56C WITH ORG = 1 (16-BIT WORD ORGANIZATION)
ERASE
1
11
x A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY) 11
ERAL
1
00
1 0 x x x x x x — (RDY/BSY) 11
EWDS
1
00
00xxxxxx —
High-Z
11
EWEN
1
00
11xxxxxx —
High-Z
11
READ
1
10
x A6 A5 A4 A3 S2 A1 A0 —
D15-D0
27
WRITE
1
01
x A6 A5 A4 A3 S2 A1 A0 D15-D0 (RDY/BSY) 27
WRAL
1
00
0 1 x x x x x x D15-D0 (RDY/BSY) 27
93XX56A OR 93XX56C WITH ORG = 0 (8-BIT WORD ORGANIZATION)
ERASE
1
11
x A7 A6 A5 A4 A3 A2 A1 A0 — (RDY/BSY) 12
ERAL
1
00
1 0 x x x x x x x — (RDY/BSY) 12
EWDS
1
00
00xxxxxxx —
High-Z
12
EWEN
1
00
11xxxxxxx —
High-Z
12
READ
1
10
x A7 A6 A5 A4 A3 A2 A1 A0 —
D7-D0
20
WRITE
1
01
x A7 A6 A5 A4 A3 A2 A1 A0 D7-D0 (RDY/BSY) 20
WRAL
1
00
0 1 x x x x x x x D7-D0 (RDY/BSY) 20
© 2007 Microchip Technology Inc.
DS21929D-page 7