PIC24HJXXXGPX06A Datasheet, PDF (254/294 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers

PIC24HJXXXGPX06A/X08A/X10A
FIGURE 24-5:
TIMER1, 2, 3, 4, 5, 6, 7, 8 AND 9 EXTERNAL CLOCK TIMING CHARACTERISTICS
TxCK
TMRx
Tx10
Tx11
Tx15
OS60
Tx20
Note: Refer to Figure 24-1 for load conditions.
TABLE 24-22: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS⁽¹⁾
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤ TA ≤ +125°C for Extended
Param
No.
Symbol
Characteristic
Min
Typ Max Units Conditions
TA10 TTXH
TxCK High Time Synchronous, 0.5 TCY + 20 —
—
ns Must also meet
no prescaler
parameter TA15
Synchronous,
10
—
—
ns
with prescaler
Asynchronous
10
—
—
ns
TA11 TTXL
TxCK Low Time Synchronous, 0.5 TCY + 20 —
—
ns Must also meet
no prescaler
parameter TA15
Synchronous,
10
—
—
ns
with prescaler
Asynchronous
10
—
—
ns
TA15 TTXP
TxCK Input Period Synchronous, TCY + 40 —
—
ns
—
no prescaler
Synchronous, Greater of: —
—
— N = prescale
with prescaler 20 ns or
value
(TCY + 40)/N
(1, 8, 64, 256)
Asynchronous
20
—
—
ns
—
OS60 Ft1
SOSCI/T1CK Oscillator Input
DC
—
50 kHz
—
frequency Range (oscillator enabled
by setting bit TCS (T1CON<1>))
TA20
TCKEXTMRL Delay from External TxCK Clock
Edge to Timer Increment
0.5 TCY
1.5 TCY —
—
Note 1: Timer1 is a Type A.
DS70592A-page 252
Preliminary
© 2009 Microchip Technology Inc.