Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
639
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
30.
TCC – Timer/Counter for Control Applications
30.1 Overview
The Timer/Counter for Control applications (TCC) consists of a counter, a prescaler, compare/capture channels and
control logic. The counter can be set to count events or clock pulses. The counter together with the compare/capture
channels can be configured to time stamp input events, allowing capture of frequency and pulse-width. It can also
perform waveform generation such as frequency generation and pulse-width modulation.
control logic. The counter can be set to count events or clock pulses. The counter together with the compare/capture
channels can be configured to time stamp input events, allowing capture of frequency and pulse-width. It can also
perform waveform generation such as frequency generation and pulse-width modulation.
Waveform extensions are intended for motor control, ballast, LED, H-bridge, power converters, and other types of power
control applications. It enables low- and high-side output with optional dead-time insertion. It can also generate a
synchronized bit pattern across the waveform output pins. The fault options enable fault protection for safe and
deterministic handling, disabling and/or shut down of external drivers.
control applications. It enables low- and high-side output with optional dead-time insertion. It can also generate a
synchronized bit pattern across the waveform output pins. The fault options enable fault protection for safe and
deterministic handling, disabling and/or shut down of external drivers.
) shows all the features in TCC but table below shows the
configuration of each of the TCCs.
Figure 30-1. TCC Configuration Summary
30.2 Features
z
Up to four compare/capture channels (CC) with:
z
Double buffered period setting
z
Double buffered compare or capture channel
z
Circular buffer on period and compare channel registers
z
Waveform generation:
z
Frequency generation
z
Single-slope pulse-width modulation (PWM)
z
Dual-slope pulse-width modulation with half-cycle reload capability
z
Input capture:
z
Event capture
z
Frequency capture
z
Pulse-width capture
z
Waveform extensions:
z
Configurable distribution of compare channels outputs across port pins
z
Low- and high-side output with programmable dead-time insertion
z
Waveform swap option with double buffer support
z
Pattern generation with double buffer support
z
Dithering support
z
Fault protection for safe drivers disabling:
z
Two recoverable fault sources
z
Two non-recoverable fault sources
z
Debugger can be source of non-recoverable fault
z
Input event:
z
Two input events for counter
TCC#
Channels
(CC_NUM)
Waveform
Output
(WO_NUM)
Counter
size
Fault
Dithering
Output
matrix
Dead
Time
Insertion
(DTI)
SWAP
Pattern
generation
0
4
8
24-bit
X
X
X
X
X
X
1
2
4
24-bit
X
X
X
2
2
2
16-bit
X