Datasheet

Table Of Contents
dsPIC30F6011A/6012A/6013A/6014A
DS70143E-page 192 © 2011 Microchip Technology Inc.
TABLE 23-24: TYPE B TIMER (TIMER2 AND TIMER4) EXTERNAL CLOCK TIMING
REQUIREMENTS
(1)
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 5.5V
(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
TtxH
TxCK High Time Synchronous,
no prescaler
0.5 T
CY + 20 ns Must also meet
parameter TB15
Synchronous,
with prescaler
10 — ns
TB11 TtxL TxCK Low Time Synchronous,
no prescaler
0.5 TCY + 20 ns Must also meet
parameter TB15
Synchronous,
with prescaler
10 ns
TB15 TtxP TxCK Input Period Synchronous,
no prescaler
T
CY + 10 ns N = prescale
value
(1, 8, 64, 256)
Synchronous,
with prescaler
Greater of:
20 ns or
(TCY + 40)/N
TB20 TCKEXT-
MRL
Delay from External TxCK Clock
Edge to Timer Increment
0.5 TCY 1.5 TCY
Note 1: Timer2 and Timer4 are Type B.
TABLE 23-25: TYPE C TIMER (TIMER3 AND TIMER5) EXTERNAL CLOCK TIMING
REQUIREMENTS
(1)
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 5.5V
(unless otherwise stated)
Operating temperature -40°C TA +85°C for Industrial
-40°C TA +125°C for Extended
Param
No.
Symbol Characteristic Min Typ Max Units Conditions
TC10
TtxH
TxCK High Time Synchronous 0.5 T
CY + 20 ns Must also meet
parameter TC15
TC11 TtxL TxCK Low Time Synchronous 0.5 T
CY + 20 ns Must also meet
parameter TC15
TC15 TtxP TxCK Input Period Synchronous,
no prescaler
T
CY + 10 ns N = prescale
value
(1, 8, 64, 256)
Synchronous,
with prescaler
Greater of:
20 ns or
(T
CY + 40)/N
TC20 TCKEXT-
MRL
Delay from External TxCK Clock
Edge to Timer Increment
0.5 TCY —1.5
T
CY
Note 1: Timer3 and Timer5 are Type C.