Datasheet

© 2007-2012 Microchip Technology Inc. DS70291G-page 377
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
FIGURE 31-6: TIMERQ (QEI MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS
TQ11
TQ15
TQ10
TQ20
QEB
POSCNT
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 ≤ T
A ≤ +125°C for Extended
Param
No.
Symbol Characteristic
(1)
Min Typ Max Units Conditions
TQ10 TtQH TQCK High Time Synchronous,
with prescaler
TCY + 20 — ns Must also meet
parameter TQ15
TQ11 TtQL TQCK Low Time Synchronous,
with prescaler
TCY + 20 — ns Must also meet
parameter TQ15
TQ15 TtQP TQCP Input
Period
Synchronous,
with prescaler
2 * T
CY + 40 — 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.