Microchip Technology MA330025-1 Data Sheet
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
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial
-40°C
T
A
+125°C for Extended
Param.
Symbol
Characteristic
Min.
Typ. Max. Units
Conditions
TQ10
TtQH
TQCK High
Time
Time
Synchronous,
with Prescaler
with Prescaler
[Greater of
(12.5 or 0.5 T
CY
)/N] + 25
—
—
ns
Must also meet
Parameter
Parameter
TQ11
TtQL
TQCK Low
Time
Time
Synchronous,
with Prescaler
with Prescaler
[Greater of
(12.5 or 0.5 T
CY
)/N] + 25
—
—
ns
Must also meet
Parameter
Parameter
TQ15
TtQP
TQCP Input
Period
Period
Synchronous,
with Prescaler
with Prescaler
[Greater of (
25 or T
CY
)/N] + 50
—
—
ns
TQ20
T
CKEXTMRL
Delay from External TxCK
Clock Edge to Timer Increment
Clock Edge to Timer Increment
—
1
T
CY
—
Note 1: These parameters are characterized but not tested in manufacturing.
TQ11
TQ15
TQ10
TQ20
QEB
POSCNT