101-1028 (Rabbit) PDF资料下载 Datasheet(3/172 页)

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参数资料

RabbitCore RCM3750

The RCM3700 Prototyping Board comes with the basic components necessary to demon-

strate the operation of the RCM3750. Two LEDs (DS1 and DS2) are connected to PF6 and

PF7, and two switches (S1 and S2) are connected to PF4 and PB7 to demonstrate the inter-

face to the Rabbit 3000 microprocessor. Reset switch S3 is the hardware reset for the

RCM3750.

The RCM3700 Prototyping Board provides the user with RCM3750 connection points

brought out conveniently to labeled points at header J3 on the RCM3700 Prototyping Board.

Although header J3 is unstuffed, a 2 × 20 header is included in the bag of parts. RS-485 sig-

nals are available on shrouded header J1, and RS-232 signals (Serial Ports C, D, and E) are

available on header J2. A header strip at J2 allows you to connect a ribbon cable. A shrouded

header connector and wiring harness are included with the RCM3700 Development Kit parts

to help you access the RS-485 signals on shrouded header J1.

There is a 2.5" × 3" through-hole prototyping space available on the RCM3700 Prototyping

Board. The holes in the prototyping area are spaced at 0.1" (2.5 mm). +3.3 V, +5 V, and

GND traces run along both edges of the prototyping area for easy access. Small to medium

circuits can be prototyped using point-to-point wiring with 20 to 30 AWG wire between the

prototyping area, the +3.3 V, +5 V, and GND traces, and the surrounding area where sur-

face-mount components may be installed. Small holes are provided around the surface-

mounted components that may be installed around the prototyping area.

B.1.4.1 Adding Other Components

There are two sets of pads for 28-pin devices that can be used for surface-mount prototyp-

ing SOIC devices. (Although the adjacent sets of pads could accommodate up to a 56-pin

device, they do not allow for the overlap between two 28-pin devices.) There are also pads

that can be used for SMT resistors and capacitors in an 0805 SMT package. Each compo-

nent has every one of its pin pads connected to a hole in which a 30 AWG wire can be sol-

dered (standard wire-wrap wire can be soldered in for point-to-point wiring on the

RCM3700 Prototyping Board). Because the traces are very thin, carefully determine

which set of holes is connected to which surface-mount pad.

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1011-02-CA	功能描述:熔丝座配件 1011-02-CA RoHS:否制造商:Schurter 产品:Caps 类型:Slot Knob 用于:FEU, FEU (Med), FAU, FAC
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