Prototyping Board Features - Rabbit RabbitCore RCM3000 Getting Started Manual

2.2.1 Prototyping Board Features

Power Connection
•
nection to the power supply. Note that the 3-pin header is symmetrical, with both outer
pins connected to ground and the center pin connected to the raw V+ input. The cable
of the AC adapter provided with the North American version of the Development Kit
ends in a plug that connects to the power-supply jack. The header plug leading to bare
leads provided for overseas customers can be connected to the 3-pin header in either
orientation.
Users providing their own power supply should ensure that it delivers 8–24 V DC at
1 A. The voltage regulators will get warm while in use.
Regulated Power Supply
•
routed to a 5 V switching voltage regulator, then to a separate 3.3 V linear regulator.
The regulators provide stable power to the RCM3000 module and the Prototyping
Board.
—The power LED lights whenever power is connected to the Prototyping
• Power LED
Board.
Reset Switch —A momentary-contact, normally open switch is connected directly to the
•
RCM3000's
/RESET_IN
• I/O Switches and LEDs
nected to the PG0 and PG1 pins of the master RCM3000 module and may be read as
inputs by sample applications.
Two LEDs are connected to the PG6 and PG7 pins of the master module, and may be
driven as output indicators by sample applications.
Prototyping Area
•
of through-hole components. +3.3 V, +5 V, and Ground buses run around the edge of
this area. Several areas for surface-mount devices are also available. (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
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lation of a second, slave RCM3000, RCM3100, or RCM3200 module. This capability
is reserved for future use, although the schematics in this manual contain all of the
details an experienced developer will need to implement a master-slave system.
Module Extension Headers
•
RabbitCore modules are duplicated at these two sets of headers. Developers
SLAVE
can solder wires directly into the appropriate holes, or, for more flexible development,
26-pin header strips can be soldered into place. See Figure 1 for the header pinouts.
RS-232 —Two 3-wire or one 5-wire RS-232 serial port are available on the Prototyping
•
Board. Refer to the Prototyping Board schematic (090-0137) for additional details.
A 10-pin 0.1-inch spacing header strip is installed at J5 to permit connection of a ribbon
cable leading to a standard DE-9 serial connector.
Getting Started
—A power-supply jack and a 3-pin header are provided for con-
—The raw DC voltage provided at the POWER IN jack is
pin. Pressing the switch forces a hardware reset of the system.
—Two momentary-contact, normally open switches are con-
—A generous prototyping area has been provided for the installation
—A second set of connectors is pre-wired to permit instal-
—The complete pin sets of both the MASTER and
9