Datasheet

PIC16(L)F707
DS41418B-page 222  2010-2011 Microchip Technology Inc.
FIGURE 25-10: TIMER0/A/B AND TIMER1/3 EXTERNAL CLOCK TIMINGS
T0CKI/TACKI/TBCKI
T1CKI/T3CKI
40
41
42
45
46
47
49
TMRx
TABLE 25-5: TIMER0/A/B AND TIMER1/3 EXTERNAL CLOCK REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C T
A +125°C
Param
No.
Sym. Characteristic Min. Typ† Max. Units Conditions
40* T
T0H T0CKI/TACKI/TBCKI High
Pulse Width
No Prescaler 0.5 TCY + 20 — — ns
With Pres-
caler
10 — — ns
41* T
T0L T0CKI/TACKI/TBCKI Low
Pulse Width
No Prescaler 0.5 TCY + 20 — — ns
With Pres-
caler
10 — — ns
42* T
T0P T0CKI/TACKI/TBCKI Period Greater of:
20 or T
CY + 40
N
— — ns N = prescale value
(2, 4, ..., 256)
45* T
T1H T1CKI/
T3CKI High
Time
Synchronous, No Prescaler 0.5 TCY + 20 — — ns
Synchronous, with Prescaler 15 — — ns
Asynchronous 30 — — ns
46* T
T1L T1CKI/
T3CKI Low
Time
Synchronous, No Prescaler 0.5 TCY + 20 — — ns
Synchronous, with Prescaler 15 — — ns
Asynchronous 30 — — ns
47* T
T1P T1CKI/
T3CKI Input
Period
Synchronous Greater of:
30 or T
CY + 40
N
— — ns N = prescale value
(1, 2, 4, 8)
Asynchronous 60 — — ns
48 F
T1 Timer1 Oscillator Input Frequency Range
(oscillator enabled by setting bit
T1OSCEN)
32.4 32.76
8
33.1 kHz
49* TCKEZ
TMR
1
Delay from External Clock Edge to Timer
Increment
2 T
OSC —7 TOSC — Timers in Sync
mode
* These parameters are characterized but not tested.
† Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.