PIC16F84A_07 Datasheet, PDF (62/88 Pages) Microchip Technology – 18-pin Enhanced FLASH/EEPROM 8-bit Microcontroller

PIC16F84A
FIGURE 9-9:
TIMER0 CLOCK TIMINGS
RA4/T0CKI
40
41
42
TABLE 9-5: TIMER0 CLOCK REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min Typ† Max Units
Conditions
40
Tt0H T0CKI High Pulse No Prescaler 0.5TCY + 20 — — ns
Width
With Prescaler
50
— — ns 2.0V ≤ VDD ≤ 3.0V
30
— — ns 3.0V ≤ VDD ≤ 6.0V
41
Tt0L T0CKI Low Pulse No Prescaler 0.5TCY + 20 — — ns
Width
With Prescaler
50
— — ns 2.0V ≤ VDD ≤ 3.0V
20
— — ns 3.0V ≤ VDD ≤ 6.0V
42
Tt0P T0CKI Period
TCY + 40
N
— — ns N = prescale value
(2, 4, ..., 256)
† Data in "Typ" column is at 5.0V, 25°C, unless otherwise stated. These parameters are for design guidance
only and are not tested.
DS35007B-page 60
© 2001 Microchip Technology Inc.