PIC18F87K90 Datasheet, PDF (188/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
FIGURE 13-1:
TIMER1 BLOCK DIAGRAM
T1GSS<1:0>
T1G
00
T1GSPM
From Timer2
01
Match PR2
From Comp. 1
Output
10
From Comp. 2
Output
11
T1GPOL
T1G_IN
TMR1ON
T1GTM
DQ
CK ^Q
R
Set Flag bit
TMR1IF on
Overflow
TMR1⁽²⁾
TMR1H
TMR1L
0
Single Pulse
1
Acq. Control
T1GGO/T1DONE
0
T1GVAL _{D Q}
1
Q1 EN
Interrupt
det
TMR1ON
TMR1GE
EN
T1CLK
0
QD
Synchronized
Clock Input
SOSCO/T1CKI
OUT
TMR1CS<1:0>
1
T1SYNC
SOSCI
SOSCEN
T1CKI
T1OSC
EN
(1)
Prescaler
Synchronize⁽³⁾
1
1, 2, 4, 8
10
det
2
0
FOSC
Internal
01 ^T1CKPS<1:0>
Clock
FOSC/4
Internal ⁰⁰
FOSC/2
Internal
Clock
Sleep Input
Clock
Data Bus
RD
T1GCON
Set
TMR1GIF
Note 1:
2:
3:
ST buffer is a high-speed type when using T1CKI.
Timer1 register increments on the rising edge.
Synchronize does not operate while in Sleep.
DS39957B-page 188
Preliminary
 2010 Microchip Technology Inc.