PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 252

• Manufacturer Part Number: PIC17C756A
• Description: High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC17C7XX
FIGURE 20-9:
TABLE 20-4:
FIGURE 20-10:
TABLE 20-5:
DS30289B-page 252
Param
†
†
Param
No.
45
46
47
48
No.
40
41
42
TCLK12
or
TCLK3
TMRx
RA1/T0CKI
Data in “Typ” column is at 5V, 25 C unless otherwise stated.
Data in "Typ" column is at 5V, 25°C unless otherwise stated.
TckE2tmrI
Tt123H
Tt123L
Tt123P
Sym
Tt0H T0CKI High Pulse Width
Tt0P T0CKI Period
Tt0L
Sym
TIMER0 EXTERNAL CLOCK REQUIREMENTS
TIMER1, TIMER2 AND TIMER3 EXTERNAL CLOCK REQUIREMENTS
T0CKI Low Pulse Width
TIMER0 EXTERNAL CLOCK TIMINGS
TIMER1, TIMER2 AND TIMER3 EXTERNAL CLOCK TIMINGS
TCLK12 and TCLK3 high time
TCLK12 and TCLK3 low time
TCLK12 and TCLK3 input period
Delay from selected External Clock Edge to
Timer increment
Characteristic
Characteristic
No Prescaler
With Prescaler
No Prescaler
With Prescaler
45
40
42
47
20 ns or T
41
46
0.5T
0.5T
Greater of:
0.5T
0.5T
T
Min
CY
2T
CY
CY
10
10
Min
CY
CY
N
OSC
CY
+ 40
+ 20
+ 20
+ 20
+ 20
N
+ 40
48
Typ†
—
—
—
—
Typ†
—
—
—
—
—
6Tosc
Max
2000 Microchip Technology Inc.
48
—
—
—
Max
—
—
—
—
—
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
—
N = prescale
value (1, 2, 4, ...,
256)
N = prescale
value (1, 2, 4, 8)
Conditions
Conditions