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參數(shù)資料
| 型號(hào)： | FM32272-GTR |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| 封裝： | GREEN, MS-012AB, SOIC-14 |
| 文件頁(yè)數(shù)： | 7/21頁(yè) |
| 文件大小： | 417K |
| 代理商： | FM32272-GTR |
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FM32278/276/274/272 - 5V 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 FM3227x Family
The FM3227x 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
FM32278
x
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM32276
x
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM32274
x
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FM32272
x
A8
A7
A6
A5
A4
A3
A2
A1
A0
S
A
Slave Address 1
Data Byte
1 P
By Master
By FM3227x
Start
Address
Stop
No
Acknowledge
Data
S
A
Slave Address 0
Address MSB
A
Start
Address
Acknowledge
Address LSB
A
S
A
Slave Address
0
Address
A
Data Byte
A
P
By Master
Start
Address & Data
Stop
Acknowledge
00 0
By FM3227x
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FM32272-G | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| FM32274-GTR | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| FM32274-G | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| FM32276-GTR | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
| FM32276-G | SPECIALTY CONSUMER CIRCUIT, PDSO14 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FM32274 | 制造商:RAMTRON 制造商全稱(chēng):RAMTRON 功能描述:5V Integrated Processor Companion with Memory |
| FM32274-G | 功能描述:F-RAM 16K w/Pwr Mon WDT 877-FM32274-GTR RoHS:否 存儲(chǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM32274-GTR | 功能描述:F-RAM 16K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲(chǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM32276 | 制造商:RAMTRON 制造商全稱(chēng):RAMTRON 功能描述:5V Integrated Processor Companion with Memory |
| FM32276-G | 功能描述:F-RAM 64K w/Pwr Mon WDT Bat Sw PF Ser Num RoHS:否 存儲(chǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
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