PIC18F47J53 Datasheet, PDF (539/586 Pages) Microchip Technology – 28/44-Pin, High-Performance USB Microcontrollers with nanoWatt XLP Technology

PIC18F47J53 FAMILY
TABLE 31-16: 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
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:
— ns N = prescale
20 ns or
value
(TCY + 40)/N
(1, 2, 4,..., 256)
45 TT1H
T1CKI/T3CKI Synchronous, no prescaler
0.5 TCY + 20
—
ns
High Time _{Synchronous, with prescaler}
10
— ns
Asynchronous
30
— ns
46 TT1L
T1CKI/T3CKI Synchronous, no prescaler
Low Time _{Synchronous, with prescaler}
0.5 TCY + 5
10
— ns
— ns
Asynchronous
30
— ns
47 TT1P
T1CKI/T3CKI Synchronous
Input Period
Greater of:
— ns N = prescale
20 ns or
value
(TCY + 40)/N
(1, 2, 4, 8)
Asynchronous
FT1
T1CKI Input Frequency Range⁽¹⁾
83
— ns
DC
12 MHz
48 TCKE2TMRI Delay from External T1CKI Clock Edge to
Timer Increment
2 TOSC
7 TOSC —
Note 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.
FIGURE 31-9:
ENHANCED CAPTURE/COMPARE/PWM TIMINGS
ECCPx
(Capture Mode)
50
51
52
ECCPx
(Compare or PWM Mode)
53
54
Note: Refer to Figure 31-4 for load conditions.
 2010 Microchip Technology Inc.
Preliminary
DS39964B-page 539