Datasheet

1996-2013 Microchip Technology Inc. Preliminary DS40143E-page 85
PIC16C55X
FIGURE 10-9: TIMER0 CLOCK TIMING
TABLE 10-4: TIMER0 CLOCK REQUIREMENTS
FIGURE 10-10: LOAD CONDITIONS
Param
No.
Sym Characteristic Min Typ† Max Units Conditions
40 Tt0H T0CKI High Pulse Width No Prescaler 0.5 T
CY + 20* ns
With Prescaler 10* ns
41 Tt0L T0CKI Low Pulse Width No Prescaler 0.5 T
CY + 20* ns
With Prescaler 10* ns
42 Tt0P T0CKI Period T
CY + 40*
N
ns N = prescale value
(1, 2, 4, ..., 256)
* These parameters are characterized but not tested.
Data in “Typ” column is at 5.0V, 25C unless otherwise stated. These parameters are for design guidance only and are
not tested.
41
42
40
RA4/T0CKI
TMR0
VDD/2
CL
RL
Pin Pin
V
SS
VSS
CL
RL =464
C
L = 50 pF for all pins except OSC2
15 pF for OSC2 output
Load condition 1
Load condition 2