Datasheet

7.0 Timers (Continued)
7.3 TIMER CONTROL FLAGS
The control bits and their functions are summarized below.
T1C3 Timer mode control
T1C2 Timer mode control
T1C1 Timer mode control
T1C0 Timer Start/Stop control in Modes 1 and 2 (Pro-
cessor Independent PWM and External Event
Counter), where 1 = Start, 0 = Stop
Timer Underflow Interrupt Pending Flag in
Mode 3 (Input Capture)
T1PNDA Timer Interrupt Pending Flag
T1ENA Timer Interrupt Enable Flag
1 = Timer Interrupt Enabled
0 = Timer Interrupt Disabled
T1PNDB Timer Interrupt Pending Flag
T1ENB Timer Interrupt Enable Flag
1 = Timer Interrupt Enabled
0 = Timer Interrupt Disabled
The timer mode control bits (T1C3, T1C2 and T1C1) are detailed below:
Mode T1C3 T1C2 T1C1 Description
Interrupt A
Source
Interrupt B
Source
Timer
Counts On
1
1 0 1 PWM: T1A Toggle Autoreload RA Autoreload RB t
C
1 0 0 PWM: No T1A
Toggle
Autoreload RA Autoreload RB
t
C
2
0 0 0 External Event
Counter
Timer
Underflow
Pos. T1B Edge Pos. T1A
Edge
0 0 1 External Event
Counter
Timer
Underflow
Pos. T1B Edge Pos. T1A
Edge
3
0 1 0 Captures: Pos. T1A Edge Pos. T1B Edge t
C
T1A Pos. Edge or Timer
T1B Pos. Edge Underflow
1 1 0 Captures: Pos. T1A Neg. T1B t
C
T1A Pos. Edge Edge or Timer Edge
T1B Neg. Edge Underflow
0 1 1 Captures: Neg. T1A Neg. T1B t
C
T1A Neg. Edge Edge or Timer Edge
T1B Neg. Edge Underflow
1 1 1 Captures: Neg. T1A Neg. T1B t
C
T1A Neg. Edge Edge or Timer Edge
T1B Neg. Edge Underflow
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