Datasheet

dsPIC30F1010/202X
DS70000178D-page 250  2006-2014 Microchip Technology Inc.
TABLE 21-21: TIMER2 EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.3V and 5.0V (±10%)
(unless otherwise stated)
Operating temperature -40°C  TA  +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,
no prescaler
0.5 T
CY + 20 — — ns Must also meet
Parameter TB15
Synchronous,
with prescaler
10 — — ns
TB11 TTXL T2CK Low Time Synchronous,
no prescaler
0.5 TCY + 20 — — ns Must also meet
Parameter TB15
Synchronous,
with prescaler
10 — — ns
TB15 T
TXP T2CK Input Period Synchronous,
no prescaler
TCY + 10 — — ns N = Prescale
value (1, 8, 64, 256)
Synchronous,
with prescaler
Greater of:
20 ns or
(T
CY + 40)/N
———
TB20 TCKEXTMRL Delay from External T2CK Clock
Edge to Timer Increment
0.5 TCY — 1.5 TCY —
TABLE 21-22: TIMER3 EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.3V and 5.0V (±10%)
(unless otherwise stated)
Operating temperature -40°C  TA  +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 0.5 T
CY + 20 — — ns Must also meet
Parameter TC15
TC11 T
TXL T3CK Low Time Synchronous 0.5 TCY + 20 — — ns Must also meet
Parameter TC15
TC15 T
TXP T3CK Input Period Synchronous,
no prescaler
TCY + 10 — — ns N = Prescale
value (1, 8, 64,
256)
Synchronous,
with prescaler
Greater of:
20 ns or
(T
CY + 40)/N
———
TC20 T
CKEXTMRL Delay from External T3CK Clock
Edge to Timer Increment
0.5 TCY —1.5 TCY —