20-101-1068 Rabbit Semiconductor, 20-101-1068 Datasheet - Page 94
20-101-1068
Manufacturer Part Number
20-101-1068
Description
MODULE RABBITCORE RCM3315
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1068.pdf
(160 pages)
Specifications of 20-101-1068
Module/board Type
MPU Core Module
Product
Microcontroller Modules
Core Processor
Rabbit 3000
Clock Speed
44.2 MHz
Interface Type
Ethernet, Serial
Flash
512 KB
Timers
10 x 8 bit, 1 x 10 bit
Operating Supply Voltage
3.15 V to 3.45 V
Board Size
47 mm x 69 mm x 22 mm
Core
RCM3315
Processor Series
RCM3315
For Use With/related Products
RCM3315
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1114
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B.4.2 Digital I/O
B.4.2.1 Digital Inputs
The Prototyping Board has four digital inputs, IN0–IN3, each of which is protected over a
range of –36 V to +36 V. The inputs are pulled up to +3.3 V as shown in Figure B-5.
W
W
Figure B-5. Prototyping Board Digital Inputs
The four quadrature decoder inputs on screw-terminal header J5 may be used as inputs
IN4–IN7. To use the PF0 signal from the Rabbit microprocessor, which goes to QD1B,
remember to reconfigure the jumper on header JP3 to jumper pins 1–2.
The actual switching threshold is between 0.9 V and 2.3 V. Anything below this value is a
logic 0, and anything above is a logic 1
.
The digital inputs are each fully protected over a range of -36 V to +36 V, and can handle
short spikes of ±40 V.
88
RabbitCore RCM3305/RCM3315
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