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| 型号： | 101-1157 |
| 厂商： | Rabbit Semiconductor |
| 文件页数： | 7/112页 |
| 文件大小： | 0K |
| 描述： | KIT DEVELOPMENT USA RCM4100 |
| 标准包装： | 1 |
| 系列： | RabbitCore 4000 |
| 类型： | MPU 模块 |
| 适用于相关产品： | RCM4100 |
| 所含物品： | RabbitCore 模块、开发板、交流适配器、缆线和 Dynamic C? 光盘 |
| 其它名称： | 316-1123 |
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100
RabbitCore RCM4100
The drain on the battery by the RCM4110 is typically 7.5 A when no other power is sup-
plied. If a 165 mAh battery is used, the battery can last about 2.5 years:
The actual battery life in your application will depend on the current drawn by components
not on the RCM4100 series of modules and on the storage capacity of the battery. The
RCM4100 series of modules does not drain the battery while it is powered up normally.
Cycle the main power off/on after you install a backup battery for the first time, and when-
ever you replace the battery. This step will minimize the current drawn by the real-time
clock oscillator circuit from the backup battery should the RCM4100 experience a loss of
main power.
NOTE: Remember to cycle the main power off/on any time the RCM4100 is removed
from the Prototyping Board or motherboard since that is where the backup battery
would be located.
Rabbit’s Technical Note TN235, External 32.768 kHz Oscillator Circuits, provides addi-
tional information about the current draw by the real-time clock oscillator circuit.
C.1.2 Battery-Backup Circuit
Figure C-2 shows the battery-backup circuit.
Figure C-2. RCM4100 Backup Battery Circuit
The battery-backup circuit serves three purposes:
It reduces the battery voltage to the SRAM and to the real-time clock, thereby limiting
the current consumed by the real-time clock and lengthening the battery life.
It ensures that current can flow only out of the battery to prevent charging the battery.
A voltage, VOSC, is supplied to U6, which keeps the 32.768 kHz oscillator working
when the voltage begins to drop.
C.1.3 Reset Generator
The RCM4100 series of modules uses a reset generator to reset the Rabbit 4000 micropro-
cessor when the voltage drops below the voltage necessary for reliable operation. The
165 mAh
7.5 A
------------------------
2.5 years.
=
VRAM
47 kW
R16
VBAT-EXT
External Battery
R19
47 kW
VOSC
D1
47 kW
R17
C23
10 nF
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| SC53LC-100 | INDUCTOR SMD 10UH 1.33A 100KHZ |
| GEC12DRTS-S734 | CONN EDGECARD 24POS DIP .100 SLD |
| RBC19DREH | CONN EDGECARD 38POS .100 EYELET |
| EEC17DRTS-S93 | CONN EDGECARD 34POS DIP .100 SLD |
| 101-1019 | KIT DEV POWERCORE 3810 INT'L |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 101-1158 | 功能描述:开发板和工具包 - 其他处理器 RCM4100 Analog Dev Kit (Intl) RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| 101-1159 | 功能描述:射频开发工具 WIRELESS CONTROL APP KIT RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| 10-1116.1229 | 制造商:EAO International 功能描述:LAMP T5.5 36V 37MA |
| 1011160000 | 功能描述:TERM BLK W/LED 300 10A PA OR RoHS:是 类别:连接器，互连式 >> 接线座 - Din 轨道，通道 系列:W 标准包装:10 系列:W 类型:馈通式 断开类型:- 位置数:4 级别数目:2 端子 - 宽度:5.1mm 端接类型:螺钉 电流 - IEC:24A 电压 - IEC:400V 电流 - UL:20A 电压 - UL:300V 线规或范围 - AWG:12-30 AWG 线规或范围 - mm²:0.5-4mm² 特点:包括端接块标记 颜色:浅褐 保险丝类型:- 材料 - 绝缘体:热塑塑胶，Wemid 材料可燃性额定值:UL94 V-0 剥线长度:10mm 其它名称:WDK2.5/10 |
| 10111616001L | 制造商:FCI 功能描述:HIGH POWER CARD EDGE VERTICAL TYPE CONNE |
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