A29L400UV-90U AMICC [AMIC Technology], A29L400UV-90U Datasheet - Page 15

• Manufacturer Part Number: A29L400UV-90U
• Description: 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory
• Manufacturer: AMICC [AMIC Technology]

Read (Note 6)
Reset (Note 7)
Program
Unlock Bypass
Unlock Bypass Program (Note 10)
Unlock Bypass Reset (Note 11)
Chip Erase
Sector Erase
Erase Suspend (Note 12)
Erase Resume (Note 13)
Legend:
X = Don't care
RA = Address of the memory location to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the
PD = Data to be programmed at location PA. Data latches on the rising edge of
SA = Address of the sector to be verified (in autoselect mode) or erased. Address bits A17 - A12 select a unique sector.
PRELIMINARY
Continuation ID
Sector Protect Verify
Device ID,
Top Boot Block
Device ID,
Bottom Boot Block
(Note 9)
Manufacturer ID
whichever happens later.
Command
Sequence
(Note 1)
(October, 2002, Version 0.2)
Word
Word
Word
Word
Byte
Word
Byte
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
Byte
4
4
4
4
4
4
3
6
6
1
1
2
2
1
1
Table 5. A29L400 Command Definitions
Addr Data
AAA
XXX
XXX
XXX
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
555
555
AAA
555
AAA
555
AAA
RA
XXX A0
XXX 90
First
AA
AA
AA
AA
RD
AA
AA
AA
AA
B0
30
F0
AA
Addr Data
XXX
555
2AA
555
2AA
555
2AA
555
2AA
555
2AA
2AA
555
2AA
555
2AA
555
2AA
555
PA
Second
55
55
55
55
55
55
55
PD
55
00
55
15
AAA
Bus Cycles (Notes 2 - 5)
Addr Data Addr Data Addr Data Addr Data
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
555
555
555
Third
WE
90
90
A0
20
80
90
90
90
80
or
(SA)
(SA)
X00
X03
X06
X04
X01 B334
X02 XX01
PA
555
AAA
555
AAA
X02
X01 B3B5
X02
CE
Fourth
pulse, whichever happens first.
XX00
PD
AA
AA
34
00
01
B5
37
7F
AMIC Technology, Inc.
2AA
555
2AA
555
A29L400 Series
Fifth
55
55
WE
SA
555
AAA
Sixth
or
CE
10
30
pulse,