参数资料
型号: PIC16LC716-04/SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, RISC MICROCONTROLLER, PDSO20
封装: 0.209 INCH, PLASTIC, MO-150, SSOP-20
文件页数: 92/106页
文件大小: 1718K
代理商: PIC16LC716-04/SS
PIC16C712/716
DS41106B-page 84
2005 Microchip Technology Inc.
FIGURE 12-8:
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
TABLE 12-5:
TIMER0 AND TIMER1 EXTERNAL CLOCK REQUIREMENTS
Param
No.
Sym.
Characteristic
Min.
Typ
Max.
Units Conditions
40*
Tt0H
T0CKI High Pulse Width
No Prescaler
0.5TCY + 20
ns
Must also meet
parameter 42
With Prescaler
10
ns
41*
Tt0L
T0CKI Low Pulse Width
No Prescaler
0.5TCY + 20
ns
Must also meet
parameter 42
With Prescaler
10
ns
42*
Tt0P
T0CKI Period
No Prescaler
TCY + 40
ns
With Prescaler Greater of:
20 or TCY + 40
N
ns
N = prescale value
(2, 4,..., 256)
45*
Tt1H
T1CKI High Time
Synchronous, Prescaler = 1
0.5TCY + 20
ns
Must also meet
parameter 47
Synchronous,
Prescaler =
2,4,8
Standard
15
ns
Extended (LC)
25
ns
Asynchronous
Standard
30
ns
Extended (LC)
50
ns
46*
Tt1L
T1CKI Low Time
Synchronous, Prescaler = 1
0.5TCY + 20
ns
Must also meet
parameter 47
Synchronous,
Prescaler =
2,4,8
Standard
15
ns
Extended (LC)
25
ns
Asynchronous
Standard
30
ns
Extended (LC)
50
ns
47*
Tt1P
T1CKI input period Synchronous
Standard
Greater of:
30 OR TCY + 40
N
ns
N = prescale value
(1, 2, 4, 8)
Extended (LC) Greater of:
50 OR TCY + 40
N
N = prescale value
(1, 2, 4, 8)
Asynchronous
Standard
60
ns
Extended (LC)
100
ns
Ft1
Timer1 oscillator input frequency range
(oscillator enabled by setting bit T1OSCEN)
DC
200
kHz
48
TCKEZtmr1 Delay from external clock edge to timer increment
2Tosc
7Tosc
*
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.
Note: Refer to Figure 12-3 for load conditions.
46
47
45
48
41
42
40
T0CKI
T1OSO/T1CKI
TMR0 or
TMR1
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