Datasheet

PIC32MX3XX/4XX
DS61143H-page 168 © 2011 Microchip Technology Inc.
TABLE 29-24: 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
-40°C ≤ T
A ≤ +105°C for V-Temp
Param.
No.
Symbol Characteristics
(1)
Min. Max. Units Conditions
TB10 TTXH TxCK
High
Time
Synchronous,
with prescaler
[(12.5 ns or 1T
PB)/N]
+ 25 ns
— ns Must also meet
parameter
TB15.
N = prescale
value
(1, 2, 4, 8, 16,
32, 64, 256)
TB11 T
TXL TxCK
Low
Time
Synchronous,
with prescaler
[(12.5 ns or 1T
PB)/N]
+ 25 ns
— ns Must also meet
parameter
TB15.
TB15 TTXP TxCK
Input
Period
Synchronous,
with prescaler
[(Greater of 25 ns or
2 T
PB)/N] + 30 ns
—nsV
DD > 2.7V
[(Greater of 25 ns or
2 TPB)/N] + 50 ns
—nsVDD < 2.7V —
TB20 TCKEXTMRL Delay from External
TxCK Clock Edge to
Timer Increment
—1TPB —
Note 1: These parameters are characterized, but not tested in manufacturing.