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datasheet (3).pdf - EEWeb

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dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04<br />

FIGURE 31-6: TIMERQ (QEI MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS<br />

QEB<br />

POSCNT<br />

TQ10<br />

TQ15<br />

DS70291E-page 362 © 2011 Microchip Technology Inc.<br />

TQ11<br />

TABLE 31-25: QEI MODULE EXTERNAL CLOCK TIMING REQUIREMENTS<br />

AC CHARACTERISTICS<br />

Param<br />

No.<br />

TQ10 TtQH TQCK High Time Synchronous,<br />

with prescaler<br />

TQ11 TtQL TQCK Low Time Synchronous,<br />

with prescaler<br />

TQ20<br />

Standard Operating Conditions: 3.0V to 3.6V<br />

(unless otherwise stated)<br />

Operating temperature -40°C ≤ TA ≤ +85°C for Industrial<br />

-40°C ≤ TA ≤ +125°C for Extended<br />

Symbol Characteristic (1) Min Typ Max Units Conditions<br />

TQ15 TtQP TQCP Input<br />

Period<br />

Synchronous,<br />

with prescaler<br />

TCY + 20 — ns Must also meet<br />

parameter TQ15<br />

TCY + 20 — ns Must also meet<br />

parameter TQ15<br />

2 * TCY + 40 — ns —<br />

TQ20 TCKEXTMRL Delay from External TxCK Clock<br />

Edge to Timer Increment<br />

0.5 TCY 1.5 TCY — —<br />

Note 1: These parameters are characterized but not tested in manufacturing.

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