Datasheet

dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
DS70000318G-page 308  2008-2014 Microchip Technology Inc.
TABLE 24-24: TIMER2 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 Min. Typ. Max. Units Conditions
TB10 T
TXH T2CK High
Time
Synchronous Greater of:
20 ns or
(T
CY + 20)/N
— — ns Must also meet
Parameter TB15,
N = Prescale value
(1, 8, 64, 256)
TB11 T
TXL T2CK Low
Time
Synchronous Greater of:
20 ns or
(TCY + 20)/N
— — ns Must also meet
Parameter TB15,
N = Prescale value
(1, 8, 64, 256)
TB15 T
TXP T2CK Input
Period
Synchronous Greater of:
40 ns or
(2 TCY + 40)/N
— — ns N = Prescale value
(1, 8, 64, 256)
TB20 TCKEXTMRL Delay from External T2CK
Clock Edge to Timer
Increment
0.75 TCY + 40 — 1.75 TCY + 40 ns
TABLE 24-25: TIMER3 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 Min Typ Max Units Conditions
TC10 T
TXH T3CK High
Time
Synchronous TCY + 20 — — ns Must also meet
Parameter TC15
TC11 T
TXLT3CK Low
Time
Synchronous TCY + 20 — — ns Must also meet
Parameter TC15
TC15 T
TXP T3CK Input
Period
Synchronous,
with prescaler
2 TCY + 40 — — ns
TC20 T
CKEXTMRL Delay from External T3CK
Clock Edge to Timer
Increment
0.75 TCY + 40 — 1.75 TCY + 40 —