PIC32MX440F256H-80I Datasheet, PDF (610/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
TABLE 30-24: TIMER2, 3, 4, 5 EXTERNAL CLOCK TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.3V to 3.6V
(unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for Industrial
Param.
No.
Symbol
Characteristics
Min.
Max. Units
Conditions
TB10 TTXH
TxCK High Time Synchronous, Greater of:
—
no prescaler
10 nsec or
(TPB + 5)
Synchronous,
20
—
with prescaler
TB11 TTXL
TxCK Low Time Synchronous, _{Greater of:}
—
no prescaler
10 nsec or
(TPB + 5)
Synchronous,
10
—
with prescaler
TB15 TTXP
TxCK Input
Period
Synchronous, Greater of:
—
no prescaler
10 nsec or
(2 * TPB + 10)
Synchronous, Greater of:
with prescaler 10 nsec or
(2*TPB + 10)/N
TB20 TCKEXTMRL Delay from External TxCK Clock
—
5
Edge to Timer Increment
nsec Must also meet parameter
TB15
nsec
nsec Must also meet parameter
TB15
nsec
nsec N = prescale value
(1, 2, 4, 8, 16, 32, 64, 256)
nsec
DS61143E-page 608
Preliminary
© 2008 Microchip Technology Inc.