Datasheet

dsPIC30F2010

FIGURE 22-8: TIMERQ (QEI MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS

TABLE 22-25: QEI MODULE 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 ≤ T

A ≤ +125°C for Extended

Param

No.

Symbol Characteristic

(1)

Min Typ Max Units Conditions

TQ10 TtQH TQCK High Time Synchronous,

with prescaler

TCY + 20 — — ns Must also meet

parameter TQ15

TQ11 TtQL TQCK Low Time Synchronous,

with prescaler

TCY + 20 — — ns Must also meet

parameter TQ15

TQ15 TtQP TQCP Input Period Synchronous,

with prescaler

2 * T

CY + 40 — — ns —

TQ20 TCKEXTMRL Delay from External TxCK Clock

Edge to Timer Increment

0.5 TCY — 1.5 TCY ns —

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

TQ11

TQ15

TQ10

TQ20

QEB

POSCNT