
PIC16F62X
DS40300C-page 140
Preliminary
2003 Microchip Technology Inc.
TABLE 17-7:
TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
FIGURE 17-11:
CAPTURE/COMPARE/PWM TIMINGS
Param
No.
Sym
Characteristic
Min
Typ Max Units
Conditions
40*
Tt0H
T0CKI High Pulse Width
No Prescaler
0.5T
CY + 20
—
ns
With Prescaler
10
—
ns
41*
Tt0L
T0CKI Low Pulse Width
No Prescaler
0.5T
CY + 20
—
ns
With Prescaler
10
—
ns
42*
Tt0P
T0CKI Period
Greater of:
T
CY + 40
N
—
ns
N = prescale value
(2, 4, ..., 256)
45*
Tt1H
T1CKI High
Time
Synchronous, No Prescaler
0.5T
CY + 20
—
ns
Synchronous,
with Prescaler
16F62X
15
—
ns
16LF62X
25
—
ns
Asynchronous
16F62X
30
—
ns
16LF62X
50
—
ns
46*
Tt1L
T1CKI Low Time Synchronous, No Prescaler
0.5T
CY + 20
—
ns
Synchronous,
with Prescaler
16F62X
15
—
ns
16LF62X
25
—
ns
Asynchronous
16F62X
30
—
ns
16LF62X
50
—
ns
47*
Tt1P
T1CKI input
period
Synchronous
16F62X
Greater of:
T
CY + 40
N
—
ns
N = prescale value
(1, 2, 4, 8)
16LF62X
Greater of:
T
CY + 40
N
——
—
Asynchronous
16F62X
60
—
ns
16LF62X
100
—
ns
Ft1
Timer1 oscillator input frequency range
(oscillator enabled by setting bit T1OSCEN)
DC
—
200
kHz
48
TCKEZtmr1 Delay from external clock edge to timer
increment
2Tosc
—
7Tosc
—
*
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.
(CAPTURE MODE)
50
51
52
53
54
RB3/CCP1
(COMPARE OR PWM MODE)
RB3/CCP1