PIC16F83/84
FIGURE 10-6: TIMER0 CLOCK TIMINGS
PIC16F8X
RA4/T0CKI
40
41
42
TABLE 10-6 TIMER0 CLOCK REQUIREMENTS
Parameter Sym
No.
Characteristic
Min
Typ† Max Units Conditions
40
Tt0H T0CKI High Pulse Width
No Prescaler
0.5TCY + 20 * — — ns
With Prescaler
50 *
— — ns 2.0V ≤ VDD ≤ 3.0V
30 *
— — ns 3.0V ≤ VDD ≤ 6.0V
41
Tt0L T0CKI Low Pulse Width
No Prescaler
0.5TCY + 20 * — — ns
With Prescaler
50 *
— — ns 2.0V ≤ VDD ≤ 3.0V
20 *
— — ns 3.0V ≤ VDD ≤ 6.0V
42
Tt0P T0CKI Period
TCY + 40 * — — ns N = prescale value
N
(2, 4, ..., 256)
* These parameters are characterized but not tested.
† Data in "Typ" column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
© 1998 Microchip Technology Inc.
DS30430C-page 83