Datasheet

dsPIC33EPXXXGM3XX/6XX/7XX
DS70000689D-page 456  2013-2014 Microchip Technology Inc.
FIGURE 33-12: TIMERQ (QEIx MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS
TQ11
TQ15
TQ10
TQ20
QEBx
POSCNT
TABLE 33-29: QEIx 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
No.
Symbol Characteristic
(1)
Min. Typ. Max. Units Conditions
TQ10 TtQH TQCK High
Time
Synchronous,
with Prescaler
Greater of:
12.5 + 25 or
(0.5 T
CY/N) + 25
— — ns Must also meet
Parameter TQ15
TQ11 TtQL TQCK Low
Time
Synchronous,
with Prescaler
Greater of:
12.5 + 25 or
(0.5 T
CY/N) + 25
— — ns Must also meet
Parameter TQ15
TQ15 TtQP TQCP Input
Period
Synchronous,
with Prescaler
Greater of:
25 + 50 or
(1 T
CY/N) + 50
——ns
TQ20 T
CKEXTMRL Delay from External TxCK
Clock Edge to Timer
Increment
—1T
CY —
Note 1: These parameters are characterized but not tested in manufacturing.