a29800tm-90i AMIC Technology Corporation, a29800tm-90i Datasheet - Page 14

• Manufacturer Part Number: a29800tm-90i
• Description: 1024k X 8 Bit / 512k X 16 Bit Cmos 5.0 Volt-only, Boot Sector Flash Memory
• Manufacturer: AMIC Technology Corporation

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 A18 - A12 select a unique sector.
Note:
1. See Table 1 for description of bus operations.
2. All values are in hexadecimal.
3. Except when reading array or autoselect data, all bus cycles are write operation.
4. Address bits A18 - A11 are don't cares for unlock and command cycles, unless SA or PA required.
5. No unlock or command cycles required when reading array data.
6. The Reset command is required to return to reading array data when device is in the autoselect mode, or if I/O
7. The fourth cycle of the autoselect command sequence is a read cycle.
8. The data is 00h for an unprotected sector and 01h for a protected sector. See "Autoselect Command Sequence" for more information.
9. The system may read and program in non-erasing sectors, or enter the autoselect mode, when in the Erase Suspend mode.
10. The Erase Resume command is valid only during the Erase Suspend mode.
(November, 2007, Version 1.3)
Reset (Note 7)
Erase Suspend (Note 9)
Erase Resume (Note 10)
Read (Note 6)
Program
Chip Erase
Sector Erase
(while the device is providing status data).
Continuation ID
Sector Protect Verify
(Note 9)
Device ID,
Top Boot Block
Device ID,
Bottom Boot Block
Manufacturer ID
whichever happens later.
Command
Sequence
(Note 1)
Word
Byte
Word
Byte
Word
Word
Word
Word
Word
Word
Byte
Byte
Byte
Byte
Byte
Byte
4
4
4
4
4
4
6
6
1
1
1
1
Addr Data
AAA
XXX
XXX
XXX
555
AAA
555
AAA
555
AAA
555
AAA
555
555
AAA
555
AAA
555
AAA
Table 5. A29800 Command Definitions
RA
First
AA
AA
AA
RD
AA
AA
AA
AA
F0
B0
30
AA
Addr Data
555
2AA
555
2AA
555
2AA
555
2AA
555
2AA
2AA
555
2AA
555
2AA
555
Second
55
55
55
55
55
55
13
55
55
AAA
Bus Cycles (Notes 2 - 5)
Addr Data Addr Data Addr Data Addr Data
AAA
AAA
AAA
AAA
AAA
AAA
AAA
555
555
555
555
555
555
555
555
Third
WE
90
90
A0
80
90
90
90
80
or
(SA)
(SA)
X00
X03
X06
X04
X02 XX01
X01 B30E
PA
555
AAA
555
AAA
CE
X02
X01 B38F
X02
Fourth
pulse, whichever happens first.
XX00
PD
AA
AA
0E
00
01
37
8F
7F
AMIC Technology, Corp.
2AA
555
2AA
555
Fifth
A29800 Series
55
55
WE
SA
555
AAA
Sixth
or
5
CE
goes high
10
30
pulse,