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AM29LV200 View Datasheet(PDF) - Advanced Micro Devices

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AM29LV200 Datasheet PDF : 37 Pages
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PRELIMINARY
Table 5. Am29LV200 Command Definitions
Command
Sequence
(Note 1)
Read (Note 6)
Reset (Note 7)
Manufacturer ID
Device ID,
Top Boot Block
Device ID,
Bottom Boot Block
Sector Protect Verify
(Note 9)
Program
Chip Erase
Sector Erase
Erase Suspend (Note 10)
Erase Resume (Note 11)
First
Second
Addr Data Addr Data
1 RA RD
1 XXX F0
Word
555
2AA
4
AA
55
Byte
AAA
555
Word
555
2AA
4
AA
55
Byte
AAA
555
Word
555
2AA
4
AA
55
Byte
AAA
555
Word
555
2AA
4
AA
55
Byte
AAA
555
Word
555
2AA
4
AA
55
Byte
AAA
555
Word
555
2AA
6
AA
55
Byte
AAA
555
Word
555
2AA
6
AA
55
Byte
AAA
555
1 XXX B0
1 XXX 30
Bus Cycles (Notes 2–5)
Third
Fourth
Addr Data Addr Data
Fifth
Sixth
Addr Data Addr Data
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
555
AAA
90 X00 01
X01 223B
90
X02 3B
X01 22BF
90
X02 BF
(SA) XX00
X02 XX01
90
(SA) 00
X04 01
A0 PA PD
555
2AA
555
80
AA
55
10
AAA
555
AAA
555
2AA
80
AA
55 SA 30
AAA
555
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 WE# or CE# pulse,
whichever happens later.
PD = Data to be programmed at location PA. Data latches on the
rising edge of WE# or CE# pulse, whichever happens first.
SA = Address of the sector to be verified (in autoselect mode) or
erased. Address bits A16–A12 uniquely select any sector.
Notes:
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 operations.
4. Data bits DQ15–DQ8 are don’t cares for unlock and
command cycles.
5. Address bits A16–A11 are don’t cares for unlock and
command cycles, unless SA or PA required.
6. No unlock or command cycles required when reading array
data.
7. The Reset command is required to return to reading array
data when device is in the autoselect mode, or if DQ5 goes
high (while the device is providing status data).
8. The fourth cycle of the autoselect command sequence is a
read cycle.
9. The data is 00h for an unprotected sector and 01h for a
protected sector. See “Autoselect Command Sequence” for
more information.
10. The system may read and program in non-erasing sectors, or
enter the autoselect mode, when in the Erase Suspend
mode. The Erase Suspend command is valid only during a
sector erase operation.
11. The Erase Resume command is valid only during the Erase
Suspend mode.
15
Am29LV200
 

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