20-101-0405 Rabbit Semiconductor, 20-101-0405 Datasheet - Page 42
20-101-0405
Manufacturer Part Number
20-101-0405
Description
MODULE RABBITCORE RCM2010
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-0383.pdf
(80 pages)
Specifications of 20-101-0405
Module/board Type
MPU Core Module
Product
Microcontroller Modules
Core Processor
Rabbit 2000
Flash
256 KBytes
Operating Supply Voltage
4.75 to 5.25 V
Board Size
58.4 mm x 48.3 mm x 14 mm
For Use With/related Products
RCM2010
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1084
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5.2 I/O
The RCM2000 was designed to interface with other systems, and so there are no drivers
written specifically for this purpose. The general Dynamic C read and write functions
allow you to customize the parallel I/O to meet your specific needs. For example, use
to set all the port E bits as inputs, or use
to set all the port E bits as outputs.
The sample programs in the Dynamic C
5.2.1 PCLK Output
The PCLK output is controlled by bits 7 and 6 of the Global Output Register (GOCR) on
the Rabbit 2000 microprocessor, and so can be enabled or disabled in software. Starting
with Dynamic C v 7.02, the PCLK output is disabled by default at compile time to mini-
mize radiated emissions; the PCLK output is enabled in earlier versions of Dynamic C.
Use the following code to set the PCLK output as needed.
38
PCLK output driven with peripheral clock:
PCLK output driven with peripheral clock ÷ 2:
PCLK output off (low):
PCLK output on (high):
WrPortI(PEDDR, &PEDDRShadow, 0x00);
WrPortI(PEDDR, &PEDDRShadow, 0xFF);
WrPortI(GOCR, &GOCRShadow, (GOCRShadow&~0xc0));
WrPortI(GOCR, &GOCRShadow, ((GOCRShadow&~0xc0)| 0x40));
WrPortI(GOCR, &GOCRShadow, ((GOCRShadow&~0xc0)| 0x80));
WrPortI(GOCR, &GOCRShadow, (GOCRShadow | 0xc0));
SAMPLES
directory provide further examples.
RabbitCore RCM2000
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