Datasheet

dsPIC30F3010/3011
DS70141F-page 188 © 2010 Microchip Technology Inc.
FIGURE 23-8: TIMERQ (QEI MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS
TABLE 23-25: 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 ≤ TA ≤ +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 * TCY + 40 — — ns
TQ20 T
CKEXTMRL Delay from External TQCK Clock
Edge to Timer Increment
0.5 TCY — 1.5 TCY —
Note 1: These parameters are characterized but not tested in manufacturing.
TQ11
TQ15
TQ10
TQ20
QEB
POSCNT