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參數(shù)資料
| 型號： | FM32256 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Integrated Processor Companion with Memory |
| 中文描述： | 綜合處理器與記憶體伴侶 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大小： | 285K |
| 代理商： | FM32256 |
FM3204/16/64/256
Rev 2.1
Dec. 2004
Page 15 of 20
Figure 14. Selective (Random) Memory Read
Figure 15. 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 FRAM Array in the FM32xx Family
The FM32xx 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 #
1
st
Address Byte
FM32256
x
A14 A13 A12 A11 A10
A9
FM3264
x
x
x
A12 A11 A10
A9
FM3216
x
x
x
x
x
A10
A9
FM3204
x
x
x
x
x
x
2
nd
Address Byte
A5
A4
A5
A4
A5
A4
A5
A4
A8
A8
A8
A8
A7
A7
A7
A7
A6
A6
A6
A6
A3
A3
A3
A3
A2
A2
A2
A2
A1
A1
A1
A1
A0
A0
A0
A0
x
S
A
Slave Address
0
Address
A
Data Byte
A
P
By Master
Start
Address & Data
Stop
Acknowledge
0 0 0
By FM32xx
S
A
Slave Address
1
Data Byte
1
P
By Master
By FM32xx
Start
Address
Stop
No
Acknowledge
Data
S
A
Slave Address
0
Address MSB
A
Start
Address
Acknowledge
Address LSB
A
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| FM3264 | Integrated Processor Companion with Memory |
| FM3264-G | Integrated Processor Companion with Memory |
| FM3264-S | Integrated Processor Companion with Memory |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| FM32256-G | 功能描述:監(jiān)控電路 256K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM32256-GTR | 功能描述:監(jiān)控電路 256K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM32256-S | 功能描述:監(jiān)控電路 256K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM32256-STR | 功能描述:監(jiān)控電路 256K w/Pwr Mon WDT Bat Sw Pwr Fail RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FM32272 | 制造商:RAMTRON 制造商全稱:RAMTRON 功能描述:5V Integrated Processor Companion with Memory |
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