PIC18LF24K Datasheet, PDF (220/594 Pages) –

PIC18(L)F26/45/46K40
18.0 TIMER0 MODULE
Timer0 module is an 8/16-bit timer/counter with the
following features:
• 16-bit timer/counter
• 8-bit timer/counter with programmable period
• Synchronous or asynchronous operation
• Selectable clock sources
• Programmable prescaler
• Programmable postscaler
• Operation during Sleep mode
• Interrupt on match or overflow
• Output on I/O pin (via PPS) or to other peripherals
FIGURE 18-1:
BLOCK DIAGRAM OF TIMER0
Rev. 10-000017C
10/27/2015
Reserved
Reserved
SOSC
LFINTOSC
HFINTOSC
FOSC/4
PPS
T0CKIPPS
111
110
101 _T0CKPS<3:0>
100
011
010
Prescaler
SYNC
T0_match _Peripherals
TMR0
body
T0OUTPS<3:0>
1
IN
0
OUT
Postscaler
001
FOSC/4
T016BIT
T0ASYNC
000
D
Q
CK Q
3
T0CS<2:0>
T0IF
T0_out
PPS
TMR0
RxyPPS
8-bit TMR0 Body Diagram (T016BIT = 0)
Clear
IN
TMR0L R
COMPARATOR
OUT
T0_match
TMR0 High
Byte
TMR0H
Latch
Enable
16-bit TMR0 Body Diagram (T016BIT = 1)
IN
TMR0L
TMR0 High
OUT
Byte
8
Read TMR0L
Write TMR0L
8
8
TMR0H
8
8
Internal Data Bus
 2016 Microchip Technology Inc.
Preliminary
DS40001816C-page 220