PIC16C63A Microchip Technology, PIC16C63A Datasheet - Page 111

• Manufacturer Part Number: PIC16C63A
• Description: 28/40-Pin 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

FIGURE 14-6: TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
TABLE 14-5:
Param
1998 Microchip Technology Inc.
No.
40*
41*
42*
45*
46*
47*
48
*
†
T1OSO/T1CKI
Note: Refer to Figure 14-1 for load conditions.
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.
TCKEZtmr1 Delay from external clock edge to timer increment
TMR0 or
TMR1
Sym
Tt0H
Tt0P
Tt1H
Tt1P
Tt0L
Tt1L
Ft1
T0CKI
TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
Characteristic
T0CKI High Pulse Width
T0CKI Low Pulse Width
T0CKI Period
T1CKI High Time
T1CKI Low Time
T1CKI input period Synchronous
Timer1 oscillator input frequency range
(oscillator enabled by setting bit T1OSCEN)
Synchronous, Prescaler = 1
Synchronous,
Prescaler =
2,4,8
Asynchronous
Synchronous, Prescaler = 1
Synchronous,
Prescaler =
2,4,8
Asynchronous
Asynchronous
40
45
Preliminary
No Prescaler
With Prescaler
No Prescaler
With Prescaler
No Prescaler
With Prescaler
Standard
Extended (LC)
Standard
Extended (LC)
Standard
Extended (LC)
Standard
Extended (LC)
Standard
Extended (LC)
Standard
Extended (LC)
PIC16C63A/65B/73B/74B
42
47
Greater of:
20 or T
Greater of:
Greater of:
30
50
0.5T
0.5T
0.5T
0.5T
41
T
OR
OR
46
CY
CY
2Tosc
Min
100
CY
CY
CY
CY
DC
10
10
15
25
30
50
15
25
30
50
T
T
60
N
+ 40
+ 40
CY
CY
+ 20
+ 20
+ 20
+ 20
N
N
+ 40
+ 40
Typ†
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
7Tosc
Max
200
48
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units Conditions
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
DS30605A-page 111
Must also meet
parameter 42
Must also meet
parameter 42
N = prescale value
(2, 4,..., 256)
Must also meet
parameter 47
Must also meet
parameter 47
N = prescale value
(1, 2, 4, 8)
N = prescale value
(1, 2, 4, 8)