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PIC18LF4331-E/ML Datasheet(PDF) 351 Page - Microchip Technology

Part # PIC18LF4331-E/ML
Description  28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
PDF  392 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18LF4331-E/ML Datasheet(HTML) 351 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS39616D-page 351
PIC18F2331/2431/4331/4431
FIGURE 26-9:
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
TABLE 26-9:
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
VDD = 2V
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:
20 ns or TCY + 40
N
—
ns
N = prescale value
(1, 2, 4,..., 256)
45
Tt1H
T1CKI High
Time
Synchronous, no prescaler
0.5 TCY + 20
—
ns
Synchronous,
with prescaler
PIC18FXX31
10
—
ns
PIC18LFXX31
25
—
ns
Asynchronous
PIC18FXX31
30
—
ns
PIC18LFXX31
50
—
ns
46
Tt1L
T1CKI
Low Time
Synchronous, no prescaler
0.5 TCY + 5
—
ns
Synchronous,
with prescaler
PIC18FXX31
10
—
ns
PIC18LFXX31
25
—
ns
Asynchronous
PIC18FXX31
30
—
ns
PIC18LFXX31
50
—
ns
47
Tt1P
T1CKI Input
Period
Synchronous
Greater of:
20 ns or TCY + 40
N
—
ns
N = prescale value
(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
—
46
47
45
48
41
42
40
T0CKI
T1OSO/T1CKI
TMR0 or TMR1



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