Peripheral highlights
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• Channels not used for PWM generation can be used for buffered output compare
functions
• Channels not used for PWM generation can be used for input capture functions
• Enhanced dual edge capture functionality
Synchronization to external hardware or other PWM supported
Double buffered PWM registers
• Integral reload rates from 1 to 16
• Half-cycle reload capability
Multiple output trigger events can be generated per PWM cycle via hardware
Support for double switching PWM outputs
Up to eight fault inputs can be assigned to control multiple PWM outputs
• Programmable filters for fault inputs
Independently programmable PWM output polarity
Individual software control of each PWM output
All outputs can be programmed to change simultaneously via a FORCE_OUT event
PWMX pin can optionally output a third PWM signal from each submodule
Option to supply the source for each complementary PWM signal pair from any of
the following:
• Crossbar module outputs
• External ADC input, taking into account values set in ADC high and low limit
registers
1.6.2 12-bit Analog-to-Digital Converter (Cyclic type)
• Two independent 12-bit analog-to-digital converters (ADCs)
• 2 x 8-channel external inputs
• Built-in x1, x2, x4 programmable gain pre-amplifier
• Maximum ADC clock frequency is up to 20 MHz with 50 ns period
• Single conversion time of 8.5 ADC clock cycles
• Additional conversion time of 6 ADC clock cycles
• Sequential, parallel, and independent scan mode
• First 8 samples have offset, limit and zero-crossing calculation supported
• ADC conversions can be synchronized by any module connected to internal crossbar
module, such as PWM and timer modules and GPIO and comparators
• Support for simultaneous and software triggering conversions
• Support for multi-triggering mode with a programmable number of conversions on
each trigger
• Each ADC has ability to scan and store up to 8 conversion results
MC56F8455x Advance Information Data Sheet, Rev. 2, 06/2012.
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Preliminary
General Business Information
Freescale Semiconductor, Inc.
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
