PIC24F16KL402 Datasheet, PDF (119/260 Pages) Microchip Technology – Low-Power, Low-Cost, General Purpose 16-Bit Flash Microcontrollers with nanoWatt XLP Technology

PIC24F16KL402 FAMILY
14.0 TIMER3 MODULE
Note:
This data sheet summarizes the features
of this group of PIC24F devices. It is not
intended to be a comprehensive refer-
ence source. For more information on
Timers, refer to the “PIC24F Family Refer-
ence Manual”, Section 14. “Timers”
(DS39704).
The Timer3 timer/counter modules incorporate these
features:
• Software-selectable operation as a 16-bit timer or
counter
• One 16-bit readable and writable Timer Value
register
• Selectable clock source (internal or external) with
device clock, SOSC or LPRC oscillator options
• Interrupt-on-overflow
• Multiple timer gating options, including:
- user-selectable gate sources and polarity
- gate/toggle operation
- Single-pulse (One-Shot) mode
• Module Reset on ECCP Special Event Trigger
The Timer3 module is controlled through the T3CON
register (Register 14-1). A simplified block diagram of
the Timer3 module is shown in Figure 14-1.
The FOSC clock source should not be used with the
ECCP capture/compare features. If the timer will be
used with the capture or compare features, always
select one of the other timer clocking options.
FIGURE 14-1:
TIMER3 BLOCK DIAGRAM
SOSC Components
SOSCEN
SOSCO/T1CK
EN
SOSCI
SOSC
T3CK
T3OSCEN
TMR3CS<1:0>
1
LPRC ¹¹
10
0
FOSC/2
01
FOSC
00
Prescaler
1, 2, 4, 8
2
T3CKPS<1:0>
Gate Sync
Synchronized
Clock Input
T3GSS<1:0>
T3G
TMR2 Match
C1OUT
C2OUT/LPRC
00
01
10
11
T3GPOL
Toggle
Select
One-Shot
Select
T3GTM
T3GSPM
T3GGO
T3SYNC 1
0
Set T3GIF
Gate
Control
TMR3GE
Internal Data Bus
TMR3
16
16
QD
Set Flag bit,
T3IF, on
Overflow
 2011 Microchip Technology Inc.
DS31037B-page 119