dspic33fj128mc204 Microchip Technology Inc., dspic33fj128mc204 Datasheet - Page 358

• Manufacturer Part Number: dspic33fj128mc204
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

FIGURE 31-6:
TABLE 31-25: QEI MODULE EXTERNAL CLOCK TIMING REQUIREMENTS
DS70291C-page 356
AC CHARACTERISTICS
TQ10
TQ11
TQ15
TQ20
Note 1:
Param
No.
TtQH
TtQL
TtQP
T
POSCNT
QEB
CKEXTMRL
Symbol
These parameters are characterized but not tested in manufacturing.
TIMERQ (QEI MODULE) EXTERNAL CLOCK TIMING CHARACTERISTICS
TQCK High Time
TQCK Low Time
TQCP Input
Period
Delay from External TxCK Clock
Edge to Timer Increment
Characteristic
Synchronous,
with prescaler
Synchronous,
with prescaler
Synchronous,
with prescaler
TQ10
(1)
Preliminary
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature
TQ15
2 * T
T
T
0.5 T
CY
CY
Min
CY
+ 20
+ 20
CY
+ 40
TQ11
Typ
-40°C ≤ T
-40°C ≤ T
1.5 T
Max
—
—
—
CY
A
A
© 2009 Microchip Technology Inc.
TQ20
≤ +85°C for Industrial
≤ +125°C for Extended
Units
ns
ns
ns
—
Must also meet
parameter TQ15
Must also meet
parameter TQ15
Conditions
—
—