參數(shù)資料
型號(hào)： Am29LV800T-120
廠商： Advanced Micro Devices, Inc.
英文描述： 8 Megabit (1,048,576 x 8-Bit/524,288 x 16-Bit) CMOS 3.0 Volt-only, Sectored Flash Memory
中文描述： 8兆位（1,048,576 x 8-Bit/524，288 x 16位），3.0伏的CMOS只，扇區(qū)閃存
文件頁數(shù)： 15/48頁
文件大?。?/td> 207K
代理商： AM29LV800T-120
Am29LV800T/Am29LV800B
15
P R E L I M I N A R Y
Table 6.
Am29LV800 Command Definitions
Legend:
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 are latched on the falling edge of the WEor CE pulse.
PD = Data to be programmed at location PA. Data is latched on the rising edge of WEor CE pulse.
SA = Address of the sector to be erased or verified. Address bits A18–A12 uniquely select any sector.
Notes:
1. All values are in hexadecimal.
2. See Tables 1 and 2 for description of bus operations.
3. The data is 00h for an unprotected sector and 01h for a protected sector. The complete bus address is composed of the sector
address on A18–A12 and 02h on A7–A0.
4. Read and program functions in non-erasing sectors are allowed in the Erase Suspend mode. The Erase Suspend command
is valid only during a sector erase operation.
5. The Erase Resume command is valid only during the Erase Suspend mode.
6. Unless otherwise noted, address bits A18–A11 = X = don’t care.
Command
Sequence
Read/Reset
(Note 2)
Bus
Write
Cycles
Req’d
First Bus
Write Cycle
Second Bus
Read/Write
Cycle
Third Bus Write
Cycle
Fourth Bus
Read/Write
Cycle
Fifth Bus
Write Cycle
Sixth Bus
Write Cycle
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Reset/Read
Word
1
XXX
XXF0
RA
RD
Byte
F0
Autoselect
Manufacturer ID
Word
3
555
XXAA
2AA
XX55
555
XX90
X00
XX01
Byte
AAA
AA
555
55
AAA
90
X00
01
Autoselect
Device ID
(Top Boot Block)
Word
3
555
XXAA
2AA
XX55
555
XX90
X01
22DA
Byte
AAA
AA
555
55
AAA
90
X02
DA
Autoselect
Device ID
(Bottom Boot
Block)
Word
3
555
XXAA
2AA
XX55
555
XX90
X01
225B
Byte
AAA
AA
555
55
AAA
90
X02
5B
Autoselect
Sector Protect
Verify (Note 3)
Word
3
555
XXAA
2AA
XX55
555
XX90
SA
X02
XX00
XX01
Byte
AAA
AA
555
55
AAA
90
SA
X04
00
01
Program
Word
4
555
XXAA
2AA
XX55
555
XXA0
PA
PD
Byte
AAA
AA
555
55
AAA
A0
Chip Erase
Word
6
555
XXAA
2AA
XX55
555
XX80
555
XXAA
2AA
XX55
555
XX10
Byte
AAA
AA
555
55
AAA
80
AAA
AA
555
55
AAA
10
Sector Erase
Word
6
555
XXAA
2AA
XX55
555
XX80
555
XXAA
2AA
XX55
SA
XX30
Byte
AAA
AA
555
55
AAA
80
AAA
AA
555
55
30
Erase Suspend
(Note 4)
Word
1
XXX
XXB0
Byte
B0
Erase Resume
(Note 5)
Word
1
XXX
XX30
Byte
30
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