© 2004 Microchip Technology Inc. DS70059C-page 12-17
Section 12. Timers
Timers
12
Figure 12-6: Type B-Type C Timer Pair Block Diagram (32-bit Timer)
TMR3
TMR2
T3IF
Equal
Comparator x 32
PR3 PR2
Reset
LSWord
MSWord
Event Flag
Note 1: This block diagram assumes Timer3 is a Type C time base, Timer2 is a Type B time base.
2: Timer configuration bit, T32 (T2CON<3>), must be set to ‘1’ for a 32-bit timer/counter operation. All control
bits are respective to the T2CON register.
Data Bus<15:0>
TMR3HLD
Read TMR2
Write TMR2
16
16
16
Q
Q
D
CK
TGATE (T2CON<6>)
(T2CON<6>)
TGATE
0
1
TON
TCKPS<1:0>
Prescaler
1, 8, 64, 256
2
TCY
TCS
1 X
0 1
TGATE
0 0
Gate
T2CKI
Sync
ADC Event Trigger
Sync
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