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The MCP79521 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of memory, which includes SRAM, EEPROM and a unique ID in a locked section of EEPROM. This ID is preprogrammed with a 48-bit MAC Address, but it can also be ordered blank for the end user to program.
General purpose SPI RTCC with features that target low power, security & communicationsapplications.Low Power Operation
VCC Min = 1.8V
Icc
Low Backup Power
VBAT Min = 1.3V
Ibat
Automatic Battery Switchover with Timestamp
VCC to VBAT (VCC Lost)
VBAT to VCC (VCC Restored)
Dual configurable alarms with a 0.01 sec count on one alarm
IRQ (VCC or VBAT)
Clock Out frequencies: 32.768, 8.192 & 4.096 KHz and 1 Hz
Digital Trimming Range from -255 to + 255 ppm in 1 ppm steps
Adjusts up to 22 seconds/day
EEPROM has 8 Bytes/Page with Block Sector write protection
Protect: None, 1/4, 1/2 or all of array
Factory standard MAC address programming or custom ID available

MCP79521 封裝圖

MCP79521 封裝圖
| 型號 | 制造商 | 描述 | 購買 |
|---|---|---|---|
| MCP79521-I/MS | Amphenol Aerospace | CTV19C19#12SKTRECP | 立即購買 |
| MCP79521T-I/MS | Panasonic | 排阻/電阻網(wǎng)絡(luò) 0606 2KΩ ±5% ±200ppm/℃ | 立即購買 |
| MCP79521T-I/MN | Panasonic | 排阻/電阻網(wǎng)絡(luò) RA_0603X2 1.6KΩ ±5% ±200ppm/℃ | 立即購買 |
硅表征數(shù)據(jù)用于確定非線性傳感器的特性。從該數(shù)據(jù)中得出一個描述傳感器典型性能的方程式。確定方程的相應(yīng)系數(shù)后,這些系數(shù)將用于計算典型傳感器非線性的補(bǔ)償。
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相較于內(nèi)含MCU的混合式半數(shù)位電源控制的LEDDriver,MCP1633在價格上相對低廉許多,而使用上也和DEPA系列的MCP19xxxLowsideMOSFETdriver也非常類似,可以
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