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參數(shù)資料
| 型號： | 101-0558 |
| 廠商： | Rabbit Semiconductor |
| 文件頁數(shù)： | 85/94頁 |
| 文件大小： | 0K |
| 描述： | COMPUTER SNG BD BL1800 512K SRAM |
| 標(biāo)準(zhǔn)包裝： | 10 |
| 系列： | SBC |
| 模塊/板類型： | 單板計算機(jī)模塊 |
| 適用于相關(guān)產(chǎn)品： | BL1800 |
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Jackrabbit (BL1800)
C.2 Batteries and External Battery Connections
The soldered-in 950 mAh lithium coin cell provides power to the real-time clock and
SRAM when external power is removed from the circuit. This allows the Jackrabbit to
continue to keep track of time and preserves the SRAM memory contents.
The drain on the battery is typically less than 20 A when there is no external power
applied. The battery can last more than 5 years:
The drain on the battery is typically less than 4 A when there external power is applied.
The battery can last for its full shelf life:
Since the shelf life of the battery is 10 years, the battery can last for its full shelf life when
external power is applied to the Jackrabbit.
Header J2, shown in Figure C-4, allows external access to the battery. This header makes
it possible to connect an external 3 V power supply while replacing the soldered-in 3 V
lithium coin-type battery. This allows the Jackrabbit SRAM and real-time clock to retain
data while the battery is being replaced.
Figure C-4. External Battery Connections at Header J2
Alternatively, header J2 can be used to accommodate an external battery. In this case, be
sure to cut out the soldered-in battery on the Jackrabbit to prevent discharging the external
battery into a dead battery.
950 mAh
20 A
------------------------
5.4 years.
=
950 mAh
4 A
------------------------
27 years (shelf life = 10 years).
=
EXT BA
TT
J2 1
2
3
4
100 W
R1
VBAT
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| 396-036-526-204 | CARD EDGE 36POS DL .125X.250 BLK |
| 396-036-526-202 | CARD EDGE 36POS DL .125X.250 BLK |
| 101-0411 | INTERFACE 12KEYDISP ETHNT OP6700 |
| AT24C02A-10PI-2.7 | IC EEPROM 2KBIT 400KHZ 8DIP |
| AT24C02A-10PI-1.8 | IC EEPROM 2KBIT 400KHZ 8DIP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 10105584 | 制造商:Amphenol Corporation 功能描述:10-341374-222 - Bulk |
| 101055OO | 制造商:TE Connectivity 功能描述: |
| 101056084S | 制造商:Amphenol Aerospace 功能描述:CONNECTOR |
| 101-0561 | 功能描述:模塊化系統(tǒng) - SOM RCM3400 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲容量:8 MB, 16 MB 存儲類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 10-105610-02S | 制造商:Amphenol Aerospace 功能描述:PLUG |
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