PIC18F25J11-I/PT MICROCHIP [Microchip Technology], PIC18F25J11-I/PT Datasheet - Page 484

• Manufacturer Part Number: PIC18F25J11-I/PT
• Description: 28/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F46J11 FAMILY
FIGURE 28-8:
TABLE 28-13: TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
DS39932C-page 484
Param
40
41
42
45
46
47
48
Note 1:
No.
T
T
T
T
T
T
F
T
Note:
CKE
Symbol
T
T
T
T
T
T
T
T1OSO/T1CKI
0H
0L
0P
1H
1L
1P
1
The Timer1 oscillator is designed to drive 32.768 kHz crystals. When T1CKI is used as a digital input,
frequencies up to 12 MHz are supported.
2
TMR
TMR0 or
T0CKI
TMR1
I Delay from External T1CKI Clock Edge to
Refer to Figure 28-4 for load conditions.
T0CKI High Pulse Width
T0CKI Low Pulse Width
T0CKI Period
T1CKI/T3CKI
High Time
T1CKI/T3CKI
Low Time
T1CKI/T3CKI
Input Period
T1CKI Input Frequency Range
Timer Increment
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
Synchronous, no prescaler
Synchronous, with prescaler
Asynchronous
Synchronous, no prescaler
Synchronous, with prescaler
Asynchronous
Synchronous
Asynchronous
Characteristic
40
45
(1)
No prescaler
With prescaler
No prescaler
With prescaler
No prescaler
With prescaler
42
47
0.5 T
0.5 T
(T
0.5 T
(T
0.5 T
Greater of:
Greater of:
41
T
CY
46
20 ns or
20 ns or
CY
2 T
CY
Min
DC
CY
CY
CY
10
10
+ 40)/N
10
30
10
30
83
+ 40)/N
CY
OSC
+ 10
+ 20
+ 20
+ 20
+ 5
7 T
Max
© 2009 Microchip Technology Inc.
12
—
—
—
—
—
—
—
—
—
—
—
—
—
—
OSC
48
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
N = prescale
value
(1, 2, 4,..., 256)
N = prescale
value
(1, 2, 4, 8)
Conditions