參數(shù)資料
型號(hào): 20-101-0454
廠商: Rabbit Semiconductor
文件頁(yè)數(shù): 66/90頁(yè)
文件大?。?/td> 0K
描述: MODULE RABBITCORE RCM2200
標(biāo)準(zhǔn)包裝: 1
系列: RabbitCore®
模塊/板類型: MPU 核心模塊
適用于相關(guān)產(chǎn)品: RCM2200
產(chǎn)品目錄頁(yè)面: 620 (CN2011-ZH PDF)
其它名稱: 316-1090
User’s Manual
63
B.1.1 Prototyping Board Features
Power Connection
—A 3-pin header is provided for connection to the power supply.
Note that it is symmetrical, with both outer pins connected to ground and the center pin
connected to the raw V+ input. The cable of the wall transformer provided with the
North American version of the development kit ends in a connector that is correctly
connected in either orientation.
Users providing their own power supply should ensure that it delivers 8–24 V DC at not
less than 500 mA. The voltage regulator will get warm while in use. (Lower supply
voltages will reduce thermal dissipation from the device.)
Regulated Power Supply
—The raw DC voltage provided at the POWER IN jack is
routed to a 5 V linear voltage regulator, which provides stable power to the RCM2200
module and the Prototyping Board. A Shottky diode protects the power supply against
damage from reversed raw power connections.
Power LED
—The power LED lights whenever power is connected to the Prototyping
Board.
Reset Switch
—A momentary-contact, normally open switch is connected directly to
the RCM2200’s /RES pin. Pressing the switch forces a hardware reset of the system.
I/O Switches and LEDs
—Two momentary-contact, normally open switches are con-
nected to the PB2 and PB3 pins of the master RCM2200 module and may be read as
inputs by sample applications.
Two LEDs are connected to the PE1 and PE7 pins of the master module, and may be
driven as output indicators by sample applications.
The LEDs and switches are connected through JP1, which has traces shorting adjacent
pads together. These traces may be cut to disconnect the LEDs, and an 8-pin header sol-
dered into JP1 to permit their selective reconnection with jumpers. See Figure B-4 for
details.
Expansion Areas
—The Prototyping Board is provided with several unpopulated areas
for expansion of I/O and interfacing capabilities. See the next section for details.
Prototyping Area
—A generous prototyping area has been provided for the installation
of through-hole components. Vcc (5 V DC) and Ground buses run around the edge of
this area. An area for surface-mount devices is provided to the right of the through-hole
area. (Note that there are SMT device pads on both top and bottom of the Prototyping
Board.) Each SMT pad is connected to a hole designed to accept a 30 AWG solid wire.
Slave Module Connectors
—A second set of connectors is pre-wired to permit instal-
lation of a second, slave RCM2200 or RCM2300 module. This capability is reserved
for future use, although the schematics in this manual contain all of the details an expe-
rienced developer will need to implement a master-slave system.
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