PIC16F628-20P Datasheet, PDF (143/170 Pages) Microchip Technology – FLASH-Based 8-Bit CMOS Microcontroller

PIC16F62X
TABLE 17-8: CAPTURE/COMPARE/PWM REQUIREMENTS
Param
No.
Sym
Characteristic
Min Typ† Max Units Conditions
50* TccL CCP
No Prescaler
input low time
16F62X
With Prescaler _16LF62X
51* TccH CCP
No Prescaler
input high time
16F62X
With Prescaler _16LF62X
52* TccP CCP input period
0.5TCY + 20 — — ns
10
— — ns
20
— — ns
0.5TCY + 20 — — ns
10
— — ns
20
— — ns
3TCY + 40 — — ns N = prescale value
N
(1,4 or 16)
53* TccR CCP output rise time
16F62X
16LF62X
10 25 ns
25 45 ns
54* TccF CCP output fall time
16F62X
10 25 ns
16LF62X
* These parameters are characterized but not tested.
25 45 ns
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
FIGURE 17-12: TIMER0 CLOCK TIMING
RA4/T0CKI
40
41
42
TMR0
TABLE 17-9: TIMER0 CLOCK REQUIREMENTS
Param
No.
Sym
Characteristic
Min
Typ† Max Units
Conditions
40
Tt0H T0CKI High Pulse Width
No Prescaler 0.5 TCY + 20* — — ns
With Prescaler
10*
— — ns
41
Tt0L T0CKI Low Pulse Width
No Prescaler 0.5 TCY + 20* — — ns
With Prescaler
10*
— — ns
42
Tt0P T0CKI Period
TCY + 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, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
 2003 Microchip Technology Inc.
Preliminary
DS40300C-page 141