
High-Speed Microcontroller User’s Guide
Rev: 062210 128 of 176
Figure 11-5. Timer/Counter 2 Auto-Reload Mode
(a) DCEN = 0
OSC INPUT TO TIMER
CLK MODE TIMER INPUT
DIVIDE-BY-4 OSC/1
PMM1 OSC/16
PMM2 OSC/256
DIVIDE
BY 12
DIVIDE
BY 4
T2 = P1.0
TR2 = T2CON.2
EXEN2 = T2CON.3
EXF2 =
T2
N.
TIMER 2
INTERRUPT
0
0
T2M = CKCON.5
TL2
TH2
TF2 =
T2CON.7
T2EX = P1.1
C/
T2
= T2CON.1
CLK
OSC INPUT TO TIMER
CLK MODE TIMER INPUT
DIVIDE-BY-4 OSC/1
PMM1 OSC/16
PMM2 OSC/256
DIVIDE
BY 12
DIVIDE
BY 4
T2 = P1.0
TR2 = T2CON.2
0
0
T2M = CKCON.5
(b) DCEN = 1
0FFH 0FFH
TL2 TH2
DOWN COUNTING RELOAD VALUE
T2EX = P1.1
UP COUNTING RELOAD VALUE
TF2 =
T2
N.7
TIMER 2
INTERR
PT
EXF2 =
T2
N.
COUNT DIRECTION
1 = UP
0 = DOWN
C/
T2
= T2CON.1
CLK
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