20-101-1055 Rabbit Semiconductor, 20-101-1055 Datasheet - Page 101
![MODULE RABBITCORE RCM3375](/photos/6/75/67527/20-101-1055_sml.jpg)
20-101-1055
Manufacturer Part Number
20-101-1055
Description
MODULE RABBITCORE RCM3375
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1051.pdf
(164 pages)
Specifications of 20-101-1055
Module/board Type
MPU Core Module
Product
Microcontroller Modules
Core Processor
Rabbit 3000
Flash
512 KBytes
Operating Supply Voltage
3.15 to 3.45 V
Board Size
69 mm x 47 mm x 22 mm
For Use With/related Products
RCM3375
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1112
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The Prototyping Board comes with a 220 Ω termination resistor and two 681 Ω bias resis-
tors installed and enabled with jumpers across pins 1–2 and 5–6 on header JP5, as shown
in Figure B-9.
For best performance, the termination resistors in a multidrop network should be enabled
only on the end nodes of the network, but not on the intervening nodes. Jumpers on boards
whose termination resistors are not enabled may be stored across pins 1–3 and 4–6 of
header JP5.
B.4.7 RabbitNet Ports
The RJ-45 jack labeled RabbitNet is a clocked SPI RS-422 serial I/O expansion port for
use with RabbitNet peripheral boards. The RabbitNet jack does not support Ethernet con-
nections. Header JP3 must have pins 2–3 jumpered when using the RabbitNet port.
The RabbitNet port is enabled in software by setting PD2 = 1. Note that the RabbitNet
port and the J11 interface cannot be used simultaneously.
User’s Manual
Figure B-9. RS-485 Termination and Bias Resistors
W
W
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95
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