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B.1.1 Prototyping Board Features
? Power Connection —A power-supply jack and a 3-pin header are provided for con-
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 (J1). A header plug leading to
bare leads is provided for overseas customers to connect their power supply to the 3-pin
header (J2)—the center pin of J2 is always connected to the positive terminal, and
either edge pin is negative.
Users providing their own power supply should ensure that it delivers 8–30 V DC at 1 A.
? Regulated Power Supply —The raw DC voltage provided at the POWER IN jack is
routed to a 5 V switching voltage regulator, then to a separate 3.3 V linear regulator.
The regulators provide stable power to the RCM3360/RCM3370 module and the Proto-
typing Board. The voltage regulators will get warm while in use.
? Power LED —The power LED lights whenever power is connected to the Prototyping
Board.
? Core LED —The core LED lights whenever an RCM3360/RCM3370 module is
plugged in correctly on the Prototyping Board and the RCM3360/RCM3370 module is
not being reset.
? Relay LED —The relay LED lights whenever the Prototyping Board relay is energized.
? Reset Switch —A momentary-contact, normally open switch is connected directly to the
RCM3360/RCM3370’s /RESET_IN 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 PG0 and PG1 pins of the RCM3360/RCM3370 module and may be read
as inputs by sample applications.
Four user LEDs (DS3–DS6) are connected to alternate I/O bus pins PA0–PA3 pins of
the RCM3360/RCM3370 module via U8, and may be driven as output indicators. PE7
and PG5 control the registers in U8 as shown in the sample applications.
? Prototyping Area —A generous prototyping area has been provided for the installation
of through-hole components. +3.3 V, +5 V, and Ground buses run along one edge of
this area. Several areas for surface-mount devices are also available. Each SMT pad is
connected to a hole designed to accept a 30 AWG solid wire.
? LCD/Keypad Module —Z-World’s LCD/keypad module may be plugged in directly to
headers LCD1JA, LCD1JB, and LCD1JC. The signals on headers LCD1JB and
LCD1JC will be available only if the LCD/keypad module is plugged in to header
LCD1JA. Appendix C provides complete information for mounting and using the
LCD/keypad module.
User ’s Manual
77
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