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參數資料
| 型號： | FM32L274-GTR |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 封裝： | GREEN, MS-012AB, SOIC-14 |
| 文件頁數： | 7/21頁 |
| 文件大?。?/td> | 418K |
| 代理商： | FM32L274-GTR |
FM32L278/L276/L274/L272 - 3V I2C Companion
Rev. 3.1
July 2010
Page 15 of 21
Figure 16. Selective (Random) Memory Read
Figure 17. Byte Register Write
Although not required, it is recommended that A5-A7 in the Register Address byte are zeros in order to
preserve compatibility with future devices.
Addressing F-RAM Array in the FM32L27x Family
The FM32L27x family includes 256Kb, 64Kb, 16Kb, and 4Kb memory densities. The following 2-byte address field
is shown for each density.
Table 4. Two-Byte Memory Address
Part #
1st Address Byte
2nd Address Byte
FM32L278
x
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM32L276
x
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM32L274
x
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM32L272
x
A8
A7
A6
A5
A4
A3
A2
A1
A0
S
A
Slave Address
0
Address
A
Data Byte
A
P
By Master
Start
Address & Data
Stop
Acknowledge
00 0
By FM32L27x
S
A
Slave Address 1
Data Byte
1 P
By Master
By FM32L27x
Start
Address
Stop
No
Acknowledge
Data
S
A
Slave Address 0
Address MSB
A
Start
Address
Acknowledge
Address LSB
A
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| FM32L278-GTR | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FM32L276 | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:3V Integrated Processor Companion with Memory |
| FM32L276-G | 功能描述:F-RAM 64K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM32L276-GTR | 功能描述:F-RAM 64K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM32L278 | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:3V Integrated Processor Companion with Memory |
| FM32L278-G | 功能描述:F-RAM 256K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
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