PIC16F721-IP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F721-IP

20-Pin Flash Microcontrollers

Microchip Technology 

PIC16(L)F720/721

TABLE 23-5: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS

Standard Operating Conditions (unless otherwise stated)

Operating Temperature -40°C TA +125°C

Param.

No.

Sym.

Characteristic

Min.

Typ† Max. Units Conditions

40*

TT0H T0CKI High Pulse

No

0.5 TCY + 20 —

—

ns

Width

Prescaler

With

10

—

—

ns

Prescaler

41*

TT0L T0CKI Low Pulse

Width

No

0.5 TCY + 20 —

—

ns

Prescaler

With

10

—

—

ns

Prescaler

42*

TT0P T0CKI Period

Greater of: —

—

ns N = prescale value

20 or TCY + 40

(2, 4, ..., 256)

N

45*

TT1H T1CKI Synchronous, No

High

Prescaler

Time

Synchronous, with

Prescaler

0.5 TCY + 20 —

—

ns

15

—

—

ns

Asynchronous

30

—

—

ns

46*

TT1L T1CKI Synchronous, No

Low Time Prescaler

0.5 TCY + 20 —

—

ns

Synchronous, with

Prescaler

15

—

—

ns

Asynchronous

30

—

—

ns

47*

TT1P T1CKI Synchronous

Input

Period

Greater of: —

—

ns N = prescale value

30 or TCY + 40

(1, 2, 4, 8)

N

Asynchronous

60

—

—

ns

49*

TCKEZ Delay from External Clock Edge to

TMR1 Timer Increment

2 TOSC

— 7 TOSC — Timers in Sync

mode

* 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 23-10: CAPTURE/COMPARE/PWM TIMINGS (CCP)

CCP

(Capture mode)

Note: Refer to Figure 23-2 for load conditions.

CC01

CC02

CC03

 2010-2013 Microchip Technology Inc.

DS41430D-page 201

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