APPENDIX D. POWER S
參數(shù)資料
型號： 20-101-0542
廠商： Rabbit Semiconductor
文件頁數(shù)： 23/138頁
文件大?。?/td> 0K
描述： CABLE 1.27MM FOR RCM3200
標(biāo)準(zhǔn)包裝： 1
附件類型： 編程纜線
適用于相關(guān)產(chǎn)品： 基于 Rabbit 3000 的產(chǎn)品，不包括 RCM30/3100、LP3500
產(chǎn)品目錄頁面： 620 (CN2011-ZH PDF)
其它名稱： 20-101-0542-ND
316-1180
User’s Manual
113
APPENDIX D. POWER SUPPLY
Appendix D provides information on the current requirements
of the RCM3200, and includes some background on the chip
select circuit used in power management.
D.1 Power Supplies
The RCM3200 requires a regulated 3.3 V ± 0.15 V DC power source. The RabbitCore
design presumes that the voltage regulator is on the user board, and that the power is made
available to the RCM3200 board through header J2.
An RCM3200 with no loading at the outputs operating at 29.4 MHz typically draws 145 mA.
The RCM3200 will consume an additional 10 mA when the programming cable is used to
connect the programming header, J3, to a PC.
D.1.1 Battery Backup
The RCM3200 does not have a battery, but there is provision for a customer-supplied bat-
tery to back up the data SRAM and keep the internal Rabbit 3000 real-time clock running.
Header J2, shown in Figure D-1, allows access to the external battery. This header makes
it possible to connect an external 3 V power supply. This allows the SRAM and the inter-
nal Rabbit 3000 real-time clock to retain data with the RCM3200 powered down.
Figure D-1. External Battery Connections
at Header J2
A lithium battery with a nominal voltage of 3 V and a minimum capacity of 165 mAh is
recommended. A lithium battery is strongly recommended because of its nearly constant
nominal voltage over most of its life.
VRAM
+3.3V
30
31
29
32
VBAT_EXT
GND
External
Battery
J2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
20-101-0545 制造商:Digi International 功能描述:LP3500 PROTO BOARD - Boxed Product (Development Kits) 制造商:Digi International Inc 功能描述:PROTOTYPING BOARD FOR LP3500
20-101-0546 功能描述:單板計(jì)算機(jī) BL2130 Btm Mnt RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲容量:2 GB (max) 存儲類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm
20-101-0551 功能描述:模塊化系統(tǒng) - SOM BL2110 W/IDCHEADERS 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
20-101-0554 功能描述:模塊化系統(tǒng) - SOM BL2000 Btm Mnt 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
20-101-0555 功能描述:單板計(jì)算機(jī) BL2000 Friction Lock RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲容量:2 GB (max) 存儲類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm
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