20-101-0525 Rabbit Semiconductor, 20-101-0525 Datasheet - Page 75
20-101-0525
Manufacturer Part Number
20-101-0525
Description
COMPUTER SINGLE-BOARD LP3500 FOX
Manufacturer
Rabbit Semiconductor
Specifications of 20-101-0525
Module/board Type
Single Board Computer Module
Product
Modules
Processor Type
Rabbit 3000
Sram
512 KB
Flash
512 KB
Timers
8 bit, 10 bit
Number Of I/os
26
Backup Battery
3 V Lithium Coin Type
Operating Voltage
3 V to 30 V
Board Size
93 mm x 66 mm x 11 mm
Description/function
Computer Module
For Use With/related Products
LP3500
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1115
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4.4.7 PWM Outputs
The PWM functions in this section can be used to operate the analog outputs on the
LP3500 model.
PARAMETERS
RETURN VALUE
SEE ALSO
PARAMETERS
RETURN VALUE
SEE ALSO
User’s Manual
int pwmOutConfig(unsigned long frequency);
int pwmOut(unsigned int channel, float dutycycle);
Sets the base frequency for the PWM pulses and enables the PWM driver on all four channels. The base
frequency is the frequency without pulse spreading. Pulse spreading (see pwm_set) will increase the
frequency by a factor of 4.
frequency is the frequency (in Hz).
Actual frequency set. This will be the closest possible match to the requested frequency.
Sets a voltage (0 to VDD on an analog output channel according to the percent duty cycle of the 1024-
clock-count cycle.)
channel is the output channel to write to (0–3).
dutycycle is the percent duty (or on) cycle value of the 1024-clock-count cycle (i.e., 0.25).
0 if successful
-1 if an invalid channel number is used
-2 if an invalid duty cycle was requested
pwmOut
pwmOutConfig
69
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