參數(shù)資料
型號： 101-0434
廠商： Rabbit Semiconductor
文件頁數(shù)： 82/100頁
文件大小： 0K
描述： MODULE RABBITCORE RCM2100
標(biāo)準(zhǔn)包裝： 50
系列： RabbitCore®
模塊/板類型： MPU 核心模塊
適用于相關(guān)產(chǎn)品： RCM2100
其它名稱： 101-0434-ND
316-1029
Q1118735
76
RabbitCore RCM2100
B.3 Power Supply
The RCM2100 requires a regulated 5 V ± 0.25 V DC power source to operate. Depending
on the amount of current required by the application, different regulators can be used to
supply this voltage.
The Prototyping Board has an onboard LM340-T5 or equivalent. The LM340-T5 is an
inexpensive linear regulator that is easy to use. Its major drawback is its inefficiency,
which is directly proportional to the voltage drop across it. The voltage drop creates heat
and wastes power.
A switching power supply may be used in applications where better efficiency is desir-
able. The LM2575 is an example of an easy-to-use switcher. This part greatly reduces the
heat dissipation of the regulator. The drawback in using a switcher is the increased cost.
The Prototyping Board itself is protected against reverse polarity by a Shottky diode at D2
as shown in Figure B-3.
Figure B-3. Prototyping Board Power Supply
Capacitor C1 provides surge current protection for the voltage regulator, and allows the
external power supply to be located some distance away.
B.4 Using the Prototyping Board
The Prototyping Board is actually both a demonstration board and a prototyping board. As
a demonstration board, it can be used to demonstrate the functionality of the RCM2100
right out of the box without any modifications to either board. There are no jumpers or dip
switches to configure or misconfigure on the Prototyping Board so that the initial setup is
very straightforward.
The Prototyping Board comes with the basic components necessary to demonstrate the
operation of the RCM2100. Two LEDs (DS2 and DS3) are connected to PA0 and PA1, and
two switches (S2 and S3) are connected to PB2 and PB3 to demonstrate the interface to
the Rabbit 2000 microprocessor. Reset switch S1 is the hardware reset for the RCM2100.
Two more LEDs, driven by PA2 and PA3, may be added to the Prototyping Board for
additional outputs.
LINEAR POWER SUPPLY
POWER
IN
J5
100 nF
7805
U1
+RAW
DCIN
Vcc
C2
C1
1
2
3
1
2
3
1N5819
D2
10 mF
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參數(shù)描述
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101-0435 功能描述:模塊化系統(tǒng) - SOM RCM2110 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
101-0435-000 制造商:ITT Interconnect Solutions 功能描述:INSUL CA-KE18-4S RR / 101-0435-000 / Circular
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101-0437 功能描述:單板計(jì)算機(jī) SR9205 16 in/8 out 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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