PIC16LC717T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LC717T-I/SO

18/20-Pin, 8-Bit CMOS Microcontrollers with 10/12-Bit A/D

Microchip Technology 

PIC16C717/770/771

TABLE 15-5: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS

Param Sym Characteristic

No.

Min

Typ† Max Units Conditions

40* Tt0H

T0CKI High Pulse Width

No Prescaler

With Prescaler

0.5TCY + 20

10

— — ns Must also meet

— — ns parameter 42

41* Tt0L

T0CKI Low Pulse Width

No Prescaler

With Prescaler

0.5TCY + 20

10

— — ns Must also meet

— — ns parameter 42

42* Tt0P

T0CKI Period

No Prescaler

TCY + 40

— — ns

With Prescaler

Greater of:

20 or TCY + 40

N

— — ns N = prescale value

(2, 4, ..., 256)

45* Tt1H

T1CKI High Time Synchronous, Prescaler = 1

Synchronous, PIC16C717/770/771

0.5TCY + 20

15

— — ns Must also meet

— — ns parameter 47

Prescaler = PIC16LC717/770/771

25

2,4,8

— — ns

Asynchronous PIC16C717/770/771

30

— — ns

PIC16LC717/770/771

50

— — ns

46* Tt1L

T1CKI Low Time Synchronous, Prescaler = 1

Synchronous, PIC16C717/770/771

0.5TCY + 20

15

— — ns Must also meet

— — ns parameter 47

Prescaler = PIC16LC717/770/771

25

2,4,8

— — ns

Asynchronous PIC16C717/770/771

30

— — ns

PIC16LC717/770/771

50

— — ns

47* Tt1P

T1CKI input period Synchronous PIC16C717/770/771 Greater of:

— — ns N = prescale value

30 OR TCY + 40

(1, 2, 4, 8)

N

PIC16LC717/770/771 Greater of:

— — ns N = prescale value

50 OR TCY + 40

N

(1, 2, 4, 8)

Asynchronous PIC16C717/770/771

60

— — ns

PIC16LC717/770/771

100

— — ns

Ft1

Timer1 oscillator input frequency range

DC

— 50 kHz

(oscillator enabled by setting bit T1OSCEN)

48 Tcke2tmr1 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.

FIGURE 15-11: ENHANCED CAPTURE/COMPARE/PWM TIMINGS (ECCP1)

RB3/CCP1/P1A

(Capture Mode)

50

51

52

RB3/CCP1/P1A

(Compare or PWM Mode)

53

54

Note: Refer to Figure 15-4 for load conditions.

DS41120A-page 166

Advanced Information

© 1999 Microchip Technology Inc.

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