Datasheet

PIC16C6X
DS30234E-page 168  1997-2013 Microchip Technology Inc.
Applicable Devices 61 62 62A R62 63 R63 64 64A R64 65 65A R65 66 67
FIGURE 15-5: TIMER0 EXTERNAL CLOCK TIMINGS
TABLE 15-5: TIMER0 EXTERNAL CLOCK REQUIREMENTS
Parameter
No.
Sym Characteristic Min Typ† Max Units Conditions
40
*
Tt0H T0CKI High Pulse Width No Prescaler 0.5TCY + 20 — — ns Must also meet
parameter 42
With Prescaler 10 — — ns
41
*
Tt0L T0CKI Low Pulse Width No Prescaler 0.5TCY + 20 — — ns Must also meet
parameter 42
With Prescaler 10 — — ns
42
*
Tt0P T0CKI Period No Prescaler TCY + 40 — — ns N = prescale value
(2, 4, ..., 256)
With Prescaler Greater of:
20 ns or
T
CY + 40
N
——ns
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Note: Refer to Figure 15-1 for load conditions.
41
42
40
RA4/T0CKI
TMR0