DSPIC30F9013BT-20E/ML データシートの表示（PDF） - Microchip Technology

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DSPIC30F9013BT-20E/ML

High-Performance, 16-Bit Digital Signal Controllers

Microchip Technology 

dsPIC30F3014/4013

TABLE 23-23: TYPE B TIMER (TIMER2 AND TIMER4) EXTERNAL CLOCK TIMING REQUIREMENTS

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

TB10 TtxH

TxCK High Time Synchronous, 0.5 TCY + 20 —

—

ns Must also meet

no prescaler

parameter TB15

Synchronous,

10

with prescaler

—

—

ns

TB11 TtxL

TxCK Low Time Synchronous, 0.5 TCY + 20 —

—

ns Must also meet

no prescaler

parameter TB15

Synchronous,

10

with prescaler

—

—

ns

TB15 TtxP

TxCK Input Period Synchronous, TCY + 10

—

—

ns N = prescale

no prescaler

value

Synchronous, Greater of:

(1, 8, 64, 256)

with prescaler 20 ns or

(TCY + 40)/N

TB20 TCKEXTMRL Delay from External TxCK Clock

Edge to Timer Increment

Note: Timer2 and Timer4 are Type B.

0.5 TCY

— 1.5 TCY —

TABLE 23-24: TYPE C TIMER (TIMER3 AND TIMER5) EXTERNAL CLOCK TIMING REQUIREMENTS

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 TCY + 20 —

—

ns Must also meet

parameter TC15

TC11 TtxL

TxCK Low Time Synchronous 0.5 TCY + 20 —

—

ns Must also meet

parameter TC15

TC15 TtxP

TxCK Input Period Synchronous,

TCY + 10

—

—

ns N = prescale

no prescaler

value

Synchronous, Greater of:

(1, 8, 64, 256)

with prescaler

20 ns or

(TCY + 40)/N

TC20 TCKEXTMRL Delay from External TxCK Clock

Edge to Timer Increment

0.5 TCY

— 1.5 —

TCY

Note: Timer3 and Timer5 are Type C.

DS70138E-page 182

© 2007 Microchip Technology Inc.

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