參數(shù)資料
型號(hào): M25PE80
廠商: 意法半導(dǎo)體
元件分類: DRAM
英文描述: 4 Mbit Uniform Sector, Serial Flash Memory
中文描述: 4兆位統(tǒng)一部門,串行閃存
文件頁(yè)數(shù): 19/43頁(yè)
文件大?。?/td> 599K
代理商: M25PE80
19/43
M25PE80
Read Data Bytes at Higher Speed
(FAST_READ)
The device is first selected by driving Chip Select
(S) Low. The instruction code for the Read Data
Bytes at Higher Speed (FAST_READ) instruction
is followed by a 3-Byte address (A23-A0) and a
dummy Byte, each bit being latched-in during the
rising edge of Serial Clock (C). Then the memory
contents, at that address, is shifted out on Serial
Data Output (Q), each bit being shifted out, at a
maximum frequency f
C
, during the falling edge of
Serial Clock (C).
The instruction sequence is shown in
Figure 13.
The first Byte addressed can be at any location.
The address is automatically incremented to the
next higher address after each Byte of data is shift-
ed out. The whole memory can, therefore, be read
with a single Read Data Bytes at Higher Speed
(FAST_READ) instruction. When the highest ad-
dress is reached, the address counter rolls over to
000000h, allowing the read sequence to be contin-
ued indefinitely.
The Read Data Bytes at Higher Speed
(FAST_READ) instruction is terminated by driving
Chip Select (S) High. Chip Select (S) can be driv-
en High at any time during data output. Any Read
Data Bytes at Higher Speed (FAST_READ) in-
struction, while an Erase, Program or Write cycle
is in progress, is rejected without having any ef-
fects on the cycle that is in progress.
Figure 13. Read Data Bytes at Higher Speed (FAST_READ)
Instruction Sequence
and Data-Out Sequence
Note: Address bits A23 to A19 are Don’t Care.
C
D
AI04006
S
Q
23
2
1
3
4
5
6
7
8
9 10
28 29 30 31
22 21
3
2
1
0
High Impedance
Instruction
24 BIT ADDRESS
0
C
D
S
Q
32 33 34
36 37 38 39 40 41 42 43 44 45 46
7
6
5
4
3
2
0
1
DATA OUT 1
Dummy Byte
MSB
7
6
5
4
3
2
1
0
DATA OUT 2
MSB
MSB
7
47
7
6
5
4
3
2
0
1
35
相關(guān)PDF資料
PDF描述
M25PE80-VMP6 4 Mbit Uniform Sector, Serial Flash Memory
M25PE80-VMW6TG 4 Mbit Uniform Sector, Serial Flash Memory
M25PE80-VMW6TP 4 Mbit Uniform Sector, Serial Flash Memory
M25PE80-VMW6T 4 Mbit Uniform Sector, Serial Flash Memory
M25PE80-VMW6P COIL CHOKE 27MH .50A RADIAL
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