PIC24HJ128GP206-I Datasheet, PDF (252/286 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers

PIC24HJXXXGPX06/X08/X10
TABLE 23-23: TIMER2, TIMER4, TIMER6 AND TIMER8 EXTERNAL CLOCK TIMING
REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C
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 + 40
—
—
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
0.5 TCY
— 1.5 TCY —
TABLE 23-24: TIMER3, TIMER5, TIMER7 AND TIMER9 EXTERNAL CLOCK TIMING
REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C
Param
No.
Symbol
Characteristic
Min
Typ Max Units Conditions
TC10
TC11
TC15
TC20
TtxH
TxCK High Time Synchronous
TtxL
TxCK Low Time Synchronous
TtxP
TxCK Input Period Synchronous,
no prescaler
Synchronous,
with prescaler
TCKEXTMRL Delay from External TxCK Clock
Edge to Timer Increment
0.5 TCY + 20
0.5 TCY + 20
TCY + 40
Greater of:
20 ns or
(TCY + 40)/N
0.5 TCY
—
—
ns Must also meet
parameter TC15
—
—
ns Must also meet
parameter TC15
—
—
ns N = prescale
value
(1, 8, 64, 256)
— 1.5 TCY —
DS70175F-page 250
© 2007 Microchip Technology Inc.