PIC24EP256GU810-I Datasheet, PDF (519/622 Pages) Electronic Film Capacitors, Inc. – 16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, USB and Advanced Analog

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
TABLE 32-24: TIMER2, TIMER4, TIMER6, TIMER8 (TYPE B TIMER) 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. Symbol
Characteristic⁽¹⁾
Min.
Typ.
Max.
Units
Conditions
TB10 TtxH
TxCK High Synchronous Greater of:
—
—
ns Must also meet
Time
mode
20 or
Parameter TB15,
(TCY + 20)/N
N = prescale
value (1, 8, 64, 256)
TB11 TtxL
TxCK Low Synchronous Greater of:
—
—
ns Must also meet
Time
mode
20 or
Parameter TB15,
(TCY + 20)/N
N = prescale
value (1, 8, 64, 256)
TB15 TtxP
TxCK
Synchronous Greater of:
—
—
ns N = prescale
Input
mode
40 or
value (1, 8, 64, 256)
Period
(2 TCY + 40)/N
TB20
TCKEXTMRL Delay from External TxCK 0.75 TCY + 40
Clock Edge to Timer
Increment
— 1.75 TCY + 40 ns
Note 1: These parameters are characterized, but are not tested in manufacturing.
TABLE 32-25: TIMER3, TIMER5, TIMER7, TIMER9 (TYPE C TIMER) 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. Symbol
Characteristic⁽¹⁾
Min.
Typ.
Max.
Units Conditions
TC10 TtxH
TxCK High Synchronous TCY + 20
—
—
ns Must also meet
Time
Parameter TC15
TC11 TtxL
TxCK Low Synchronous TCY + 20
—
—
ns Must also meet
Time
Parameter TC15
TC15 TtxP
TxCK Input Synchronous, 2 TCY + 40 —
—
ns N = prescale value
Period
with Prescaler
(1, 8, 64, 256)
TC20 TCKEXTMRL Delay from External TxCK 0.75 TCY + 40 — 1.75 TCY + 40 ns
Clock Edge to Timer
Increment
Note 1: These parameters are characterized, but are not tested in manufacturing.
 2009-2012 Microchip Technology Inc.
DS70616G-page 519