Datasheet

 2009-2013 Microchip Technology Inc. DS60001156H-page 381
PIC32MX5XX/6XX/7XX
TABLE 31-24: 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  T
A  +85°C for Industrial
-40°C  T
A  +105°C for V-Temp
Param.
No.
Symbol Characteristics
(1)
Min. Max. Units Conditions
TB10 TTXHTxCK
High Time
Synchronous, with
prescaler
[(12.5 ns or 1 TPB)/N]
+ 25 ns
— ns Must also meet
parameter
TB15
N = prescale
value
(1, 2, 4, 8,
16, 32, 64,
256)
TB11 TTXLTxCK
Low Time
Synchronous, with
prescaler
[(12.5 ns or 1 TPB)/N]
+ 25 ns
— ns Must also meet
parameter
TB15
TB15 TTXPTxCK
Input
Period
Synchronous, with
prescaler
[(Greater of [(25 ns or
2 TPB)/N] + 30 ns
—nsVDD > 2.7V
[(Greater of [(25 ns or
2 TPB)/N] + 50 ns
—nsVDD < 2.7V
TB20 T
CKEXTMRL Delay from External TxCK
Clock Edge to Timer Increment
—1TPB —
Note 1: These parameters are characterized, but not tested in manufacturing.