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Distributor of Digi International: Excellent Integrated System Limited
Datasheet of 101-0453 - MODULE RABBITCORE RCM2300
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2.2.1 Prototyping Board Features
Power Connection
—A 3-pin header is provided at J5 for the power supply connec-
•
tion. Note that both outer pins are connected to ground and the center pin is connected
to the raw V+ input. The cable from the wall transformer provided with the North
American version of the Development Kit ends in a connector that may be connected in
either orientation.
Users providing their own power supply should ensure that it delivers 7.5–25 V DC at
not less than 500 mA. The voltage regulator will get warm in use. (Lower supply volt-
ages will reduce thermal dissipation from the device.)
Regulated Power Supply
•
is routed to a 5 V linear voltage regulator, which provides stable power to the
RCM2300 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.
—A momentary-contact, normally open switch is connected directly to the
•
Reset Switch
master RCM2300's
/RES
•
I/O Switches and LEDs
nected to the PB2 and PB3 pins of the master RCM2300, and may be read as inputs by
sample applications.
Two LEDs are connected to the PE1 and PE7 pins of the master RCM2300, 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
may then be soldered into JP1 to permit their selective reconnection with jumpers. See
Figure 3 for details.
—The Prototyping Board is provided with several unpopulated areas
•
Expansion 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,
which must be soldered once it is in the hole.
•
Slave Module Connectors
lation of a second, slave RCM2200 or RCM2300.
Getting Started Manual
—The raw DC voltage provided to the
pin. Pressing the switch forces a hardware reset of the system.
—Two momentary-contact, normally open switches are con-
—A second set of connectors is pre-wired to permit instal-
POWER
header at J5
7
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