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參數(shù)資料
| 型號(hào)： | M50FW080N5P |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
| 中文描述： | 8兆1兆× 8，統(tǒng)一座3V電源閃存固件集線器 |
| 文件頁數(shù)： | 20/56頁 |
| 文件大小： | 292K |
| 代理商： | M50FW080N5P |
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Bus operations
M50FW080
20/55
Table 4.
Figure 6.
FWH Bus Read waveforms
FWH Bus Read field definitions
Clock
Cycle
Number
Clock
Cycle
Count
Field
FWH0-
FWH3
Memory
I/O
Description
1
1
START
1101b
I
On the rising edge of CLK with FWH4 Low, the
contents of FWH0-FWH3 indicate the start of a
FWH Read cycle.
2
1
IDSEL
XXXX
I
Indicates which FWH Flash Memory is selected.
The value on FWH0-FWH3 is compared to the
IDSEL strapping on the FWH Flash Memory pins
to select which FWH Flash Memory is being
addressed.
3-9
7
ADDR
XXXX
I
A 28-bit address phase is transferred starting with
the most significant nibble first.
10
1
MSIZE
0000b
I
Always 0000b (only single byte transfers are
supported).
11
1
TAR
1111b
I
The host drives FWH0-FWH3 to 1111b to indicate
a turnaround cycle.
12
1
TAR
1111b
(float)
O
The FWH Flash Memory takes control of FWH0-
FWH3 during this cycle.
13-14
2
WSYNC
0101b
O
The FWH Flash Memory drives FWH0-FWH3 to
0101b (short wait-sync) for two clock cycles,
indicating that the data is not yet available. Two
wait-states are always included.
15
1
RSYNC
0000b
O
The FWH Flash Memory drives FWH0-FWH3 to
0000b, indicating that data will be available during
the next clock cycle.
16-17
2
DATA
XXXX
O
Data transfer is two CLK cycles, starting with the
least significant nibble.
18
1
TAR
1111b
O
The FWH Flash Memory drives FWH0-FWH3 to
1111b to indicate a turnaround cycle.
19
1
TAR
1111b
(float)
N/A
The FWH Flash Memory floats its outputs, the
host takes control of FWH0-FWH3.
AI03437
CLK
FWH4
FWH0-FWH3
Number of
clock cycles
START
IDSEL
ADDR
MSIZE
TAR
SYNC
DATA
TAR
1
1
7
1
2
3
2
2
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| M50FW080N5TP | 8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M50FW080N5T | 制造商:Micron Technology Inc 功能描述: |
| M50FW080N5TG | 功能描述:閃存 8 Mbit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| M50FW080N5TP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
| M50FW080NB1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
| M50FW080NB1G | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
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