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参数资料
| 型号： | FM4005-G |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 封装： | GREEN, MS-012AB, SOIC-14 |
| 文件页数： | 9/23页 |
| 文件大小： | 244K |
| 代理商： | FM4005-G |
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EC
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M
EN
D
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FO
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N
EW
D
ES
IG
N
S
Al
te
rn
at
iv
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: F
M
31
27
2
(5
V)
or
FM
31
L2
72
(3
V)
FM4005
Rev. 2.4
Jan. 2010
Page 17 of 23
for a read operation. This involves using the first two
bytes of a write operation to set the internal address
followed by subsequent read operations.
To perform a selective read, the bus master sends out
the slave address with the LSB set to 0. This specifies
a write operation. According to the write protocol,
the bus master then sends the address byte that is
loaded into the internal address latch. After the
FM4005 acknowledges the address, the bus master
issues a Start condition. This simultaneously aborts
the write operation and allows the read command to
be issued with the slave address LSB set to a 1. The
operation is now a read from the current address.
Read operations are illustrated below.
Figure 12. Current Address Register Read
Figure 13. Multiple Register Read
Figure 14. Single Selective Read
* Although not required, it is recommended that A5-A7 in the Address byte are zeros in
order to preserve compatibility with future devices.
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM4005
Start
Address
Stop
Acknowledge
No
Acknowledge
Data
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM4005
Start
Address
Stop
Acknowledge
No
Acknowledge
Data
Data Byte
A
Acknowledge
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM4005
Start
Address
Stop
No
Acknowledge
Data
S
A
Slave Address
0
Start
Address
Acknowledge
Address
A
00 0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FM4005-GTR | 功能描述:F-RAM RTC RTC Alarm Pwr Mon WDT Bat Sw RoHS:否 存储容量:512 Kbit 组织:64 K x 8 接口:SPI 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube 制造商:Cypress Semiconductor |
| FM4005-L | 制造商:FORMOSA 制造商全称:Formosa MS 功能描述:Chip Silicon Rectifier - Glass passivated type |
| FM4005M | 制造商:WEITRON 制造商全称:Weitron Technology 功能描述:Surface Mount Standard Recovery Glass Passivated Rectifiers |
| FM4005-M | 制造商:FORMOSA 制造商全称:Formosa MS 功能描述:Glass passivated type |
| FM4005MH | 制造商:WEITRON 制造商全称:Weitron Technology 功能描述:Surface Mount Standard Recovery Glass Passivated Rectifiers |
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