Datasheet

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
DS70616G-page 520  2009-2012 Microchip Technology Inc.
FIGURE 32-7: TIMERQ (QEI MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS
TABLE 32-26: QEI MODULE EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C  T
A  +85°C for Industrial
-40°C  T
A  +125°C for Extended
Param. Symbol Characteristic
(1)
Min. Typ. Max. Units Conditions
TQ10 TtQH TQCK High
Time
Synchronous,
with Prescaler
[Greater of
(12.5or 0.5T
CY)/N] + 25
— — ns Must also meet
Parameter TQ15
TQ11 TtQL TQCK Low
Time
Synchronous,
with Prescaler
[Greater of
(12.5or 0.5TCY)/N] + 25
— — ns Must also meet
Parameter TQ15
TQ15 TtQP TQCP Input
Period
Synchronous,
with Prescaler
[Greater of (
25 or T
CY)/N] + 50
—— ns
TQ20 TCKEXTMRL Delay from External TxCK
Clock Edge to Timer Increment
—1TCY —
Note 1: These parameters are characterized but not tested in manufacturing.
TQ11
TQ15
TQ10
TQ20
QEB
POSCNT