PIC16F62X
TABLE 17-7: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
Param
Sym
Characteristic
Min
Typ† Max Units Conditions
No.
40*
Tt0H
T0CKI High Pulse Width
No Prescaler
With Prescaler
No Prescaler
With Prescaler
0.5TCY + 20
—
—
—
—
—
—
—
—
—
—
ns
ns
ns
ns
10
41*
42*
Tt0L
Tt0P
T0CKI Low Pulse Width
T0CKI Period
0.5TCY + 20
10
Greater of:
ns N = prescale
TCY + 40
value (2, 4, ...,
N
256)
45*
46*
47*
Tt1H
Tt1L
Tt1P
T1CKI High
Time
Synchronous, No Prescaler
Synchronous, 16F62X
0.5TCY + 20
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
15
25
30
50
with Prescaler
16LF62X
Asynchronous 16F62X
16LF62X
Synchronous, No Prescaler
Synchronous, 16F62X
T1CKI Low
Time
0.5TCY + 20
15
25
30
50
with Prescaler
16LF62X
Asynchronous 16F62X
16LF62X
Synchronous 16F62X
ns
ns
T1CKI input
period
Greater of:
TCY + 40
N
ns N = prescale
value (1, 2, 4, 8)
16LF62X
Greater of:
TCY + 40
N
—
—
—
Asynchronous 16F62X
16LF62X
Timer1 oscillator input frequency range
60
100
DC
—
—
—
—
—
ns
ns
Ft1
200 kHz
(oscillator enabled by setting bit T1OSCEN)
48
TCKEZtmr1 Delay from external clock edge to timer
increment
2Tosc
—
7Tos
c
—
* 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.
FIGURE 17-11: CAPTURE/COMPARE/PWM TIMINGS
RB3/CCP1
(Capture Mode)
50
51
52
RB3/CCP1
(Compare or PWM Mode)
53
54
1999 Microchip Technology Inc.
Preliminary
DS40300B-page 143
MICROCHIP [ MICROCHIP ]
