PIC24HJ12GP201 Datasheet, PDF (201/234 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers

PIC24HJ12GP201/202
TABLE 21-23: TIMER2 EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤ TA ≤ +125°C for Extended
Param
No.
Symbol
Characteristic
Min
Typ Max Units Conditions
TB10
TB11
TB15
TB20
TtxH
TtxL
TtxP
TCKEXT-
MRL
TxCK High Time Synchronous, 0.5 TCY + 20 —
—
no prescaler
Synchronous,
10
with prescaler
—
—
TxCK Low Time Synchronous, 0.5 TCY + 20 —
—
no prescaler
Synchronous,
10
with prescaler
—
—
TxCK Input
Period
Synchronous, TCY + 40
—
—
no prescaler
Synchronous, Greater of:
with prescaler 20 ns or
(TCY + 40)/N
Delay from External TxCK Clock
Edge to Timer Increment
0.5 TCY
— 1.5 TCY
ns Must also meet
parameter TB15
ns
ns Must also meet
parameter TB15
ns
ns N = prescale
value
(1, 8, 64, 256)
—
TABLE 21-24: TIMER3 EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 3.0V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
-40°C ≤ TA ≤ +125°C for Extended
Param
No.
Symbol
Characteristic
Min
Typ Max Units Conditions
TC10 TtxH
TxCK High Time Synchronous 0.5 TCY + 20 —
—
ns Must also meet
parameter TC15
TC11 TtxL
TxCK Low Time Synchronous 0.5 TCY + 20 —
—
ns Must also meet
parameter TC15
TC15 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
TC20 TCKEXTMRL Delay from External TxCK Clock
Edge to Timer Increment
0.5 TCY
— 1.5 —
TCY
© 2007 Microchip Technology Inc.
Preliminary
DS70282B-page 199