DSPIC33FJ64GP802-ISP Datasheet, PDF (336/403 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
FIGURE 30-5:
TIMER1, 2, 3 AND 4 EXTERNAL CLOCK TIMING CHARACTERISTICS
TxCK
TMRx
Tx10
Tx11
Tx15
OS60
Tx20
Note: Refer to Figure 30-1 for load conditions.
TABLE 30-22: 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
0.5 TCY
— 1.5 TCY —
—
Edge to Timer Increment
Note 1: Timer1 is a Type A.
DS70292D-page 336
Preliminary
 2009 Microchip Technology Inc.