参数资料
型号: SST25VF020B-80-4I-SAE
厂商: Microchip Technology
文件页数: 16/35页
文件大小: 0K
描述: IC FLASH SER 2MB 80MHZ SPI 8SOIC
特色产品: SST Serial and Parallel Flash Memory
标准包装: 100
系列: SST25
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 2M (256K x 8)
速度: 80MHz
接口: SPI 串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
2 Mbit SPI Serial Flash
A Microchip Technology Company
CE#
SST25VF020B
Data Sheet
MODE 3
0
7
0
7
0
7 8
15 16 23 24
31 32
39 40 47
0
7 8
15 16 23
SCK MODE 0
SI
EBSY
WREN
AD
A
A
A
D0
D1
AD
D2
D3
Load AAI command, Address, 2 bytes data
SO
Check for Flash Busy Status to load next valid 1 command
CE# cont.
0
7 8
15 16 23
0
7
0
7
0
7 8
15
SCK cont.
SI cont.
AD
D n-1
Dn
WRDI
DBSY
RDSR
SO cont.
Last 2
Data Bytes
WRDI followed by DBSY
to exit AAI Mode
D OUT
Check for Flash Busy Status to load next valid 1 command
Note:
1. Valid commands during AAI programming: AAI command or WRDI command
2. User must configure the SO pin to output Flash Busy status during AAI programming
1417 AAI.HW.3
Figure 10: Auto Address Increment (AAI) Word-Program Sequence with
Hardware End-of-Write Detection
Wait T BP or poll Software Status
register to load next valid 1 command
CE#
MODE 3
0
7 8
15 16 23 24
31 32 39 40 47
0
7 8
15 16 23
0
7 8
15 16 23
0
7
0
7 8
15
SCK MODE 0
SI
AD
A
A
A
D0
D1
AD
D2
D3
AD
D n-1
D n
WRDI
RDSR
Load AAI command, Address, 2 bytes data
Last 2
WRDI to exit
SO
Data Bytes
AAI Mode
D OUT
Note:
1. Valid commands during AAI programming: AAI command, RDSR command, or WRDI command
1417 AAI.SW.2
Figure 11: Auto Address Increment (AAI) Word-Program Sequence with
Software End-of-Write Detection
?2012 Silicon Storage Technology, Inc.
16
DS25054A
01/12
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