PIC18F65K80T-I/SS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F65K80T-I/SS

28/40/44/64-Pin, Enhanced Flash Microcontrollers with ECAN™ and nanoWatt XLP Technology

Microchip Technology 

PIC18F66K80 FAMILY

FIGURE 31-9:

TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS

TxCKI

SOSCO/SCLKI

40

41

42

45

46

47

48

TMR0 or

TMR1

Note: Refer to Figure 31-3 for load conditions.

TABLE 31-13: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS

Param

No.

Symbol

Characteristic

Min

Max Units Conditions

40

TT0H

T0CKI High Pulse Width

No prescaler 0.5 TCY + 20

—

ns

With prescaler

10

—

ns

41

TT0L

T0CKI Low Pulse Width

No prescaler 0.5 TCY + 20

—

ns

With prescaler

10

—

ns

42

TT0P

T0CKI Period

No prescaler

TCY + 10

—

ns

With prescaler Greater of:

—

ns N = prescale

20 ns or

value

(TCY + 40)/N

(1, 2, 4,..., 256)

45

TT1H

T1CKI High Synchronous, no prescaler

0.5 TCY + 20

—

ns

Time

Synchronous, with prescaler

10

—

ns

Asynchronous

30

—

ns

46

TT1L

T1CKI Low Synchronous, no prescaler

Time

Synchronous, with prescaler

0.5 TCY + 5

10

—

ns

—

ns

Asynchronous

30

—

ns

47

TT1P

T1CKI Input Synchronous

Period

Greater of:

—

ns N = prescale

20 ns or

value

(TCY + 40)/N

(1, 2, 4, 8)

Asynchronous

60

—

ns

FT1

T1CKI Oscillator Input Frequency Range

DC

50 kHz

48

TCKE2TMRI Delay from External T1CKI Clock Edge to

Timer Increment

2 TOSC

7 TOSC —

DS39977F-page 568

 2010-2012 Microchip Technology Inc.

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