Microchip Technology MA320001 Data Sheet
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
(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
T
TX
H
TxCK
High
Time
High
Time
Synchronous,
with prescaler
with prescaler
[(12.5 ns or 1T
PB
)/N]
+ 25 ns
—
ns
Must also meet
parameter
TB15.
parameter
TB15.
N = prescale
value
(1, 2, 4, 8, 16,
32, 64, 256)
value
(1, 2, 4, 8, 16,
32, 64, 256)
TB11
T
TX
L
TxCK
Low
Time
Low
Time
Synchronous,
with prescaler
with prescaler
[(12.5 ns or 1T
PB
)/N]
+ 25 ns
—
ns
Must also meet
parameter
TB15.
parameter
TB15.
TB15
T
TX
P
TxCK
Input
Period
Input
Period
Synchronous,
with prescaler
with prescaler
[(Greater of 25 ns or
2 T
PB
)/N] + 30 ns
—
ns
V
DD
> 2.7V
[(Greater of 25 ns or
2 T
PB
)/N] + 50 ns
—
ns
V
DD
< 2.7V
—
TB20
T
CKEXTMRL
Delay from External
TxCK Clock Edge to
Timer Increment
TxCK Clock Edge to
Timer Increment
—
1
T
PB
—
Note 1:
These parameters are characterized, but not tested in manufacturing.