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PIC24FJ16MC101_12 Datasheet, PDF (274/350 Pages) Microchip Technology – 16-bit Microcontrollers (up to 32 KB Flash and 2 KB SRAM)
PIC24FJ16MC101/102 AND PIC24FJ32MC101/102/104
TABLE 26-23: TIMER2/4 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(1)
Min
Typ
Max
Units Conditions
TB10 TtxH
TxCK High Synchronous Greater of:
—
—
ns Must also meet
Time
mode
20 or
parameter TB15
(TCY + 20)/N
N = prescale
value
(1, 8, 64, 256)
TB11 TtxL
TxCK Low Synchronous Greater of: —
—
ns Must also meet
Time
mode
20 or
parameter TB15
(TCY + 20)/N
N = prescale
value
(1, 8, 64, 256)
TB15 TtxP
TxCK
Synchronous Greater of: —
—
ns N = prescale
Input
mode
40 or
value
Period
(2 TCY + 40)/N
(1, 8, 64, 256)
TB20 TCKEXTMRL Delay from External TxCK 0.75 TCY + 40 — 1.75 TCY + 40 ns
—
Clock Edge to Timer
Increment
Note 1: These parameters are characterized, but are not tested in manufacturing.
TABLE 26-24: TIMER3/5 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(1)
Min
Typ
Max
Units Conditions
TC10 TtxH
TxCK High Synchronous TCY + 20
—
—
ns Must also meet
Time
parameter TC15
TC11 TtxL
TxCK Low Synchronous TCY + 20
—
—
ns Must also meet
Time
parameter TC15
TC15 TtxP
TxCK Input Synchronous, 2 TCY + 40
—
—
ns N = prescale
Period
with prescaler
value
(1, 8, 64, 256)
TC20 TCKEXTMRL Delay from External TxCK 0.75 TCY + 40 — 1.75 TCY + 40 ns
—
Clock Edge to Timer
Increment
Note 1: These parameters are characterized, but are not tested in manufacturing.
DS39997C-page 274
Preliminary
© 2011-2012 Microchip Technology Inc.