70291E Datasheet, PDF (362/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
FIGURE 31-6:
TIMERQ (QEI MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS
QEB
POSCNT
TQ10
TQ11
TQ15
TQ20
TABLE 31-25: QEI MODULE EXTERNAL CLOCK TIMING REQUIREMENTS
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⁽¹⁾
Min
Typ Max Units Conditions
TQ10 TtQH
TQCK High Time Synchronous, TCY + 20
with prescaler
—
ns Must also meet
parameter TQ15
TQ11 TtQL
TQCK Low Time Synchronous, TCY + 20
with prescaler
—
ns Must also meet
parameter TQ15
TQ15 TtQP
TQCP Input
Period
Synchronous, 2 * TCY + 40
with prescaler
—
ns
—
TQ20 TCKEXTMRL Delay from External TxCK Clock
Edge to Timer Increment
0.5 TCY
1.5 TCY —
—
Note 1: These parameters are characterized but not tested in manufacturing.
DS70291E-page 362
© 2011 Microchip Technology Inc.