PIC32MX3XX_1 Datasheet, PDF (169/208 Pages) Microchip Technology – High-Performance, General Purpose and USB 32-bit Flash Microcontrollers

PIC32MX3XX/4XX
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
Param.
No.
Symbol
Characteristics⁽¹⁾
Min.
Max. Units
Conditions
TB10 TTXH TxCK
Synchronous, ^{[(12.5 nsec or 1TPB)/N]} —
High Time with prescaler
+ 25 nsec
TB11 TTXL TxCK
Synchronous, ^{[(12.5 nsec or 1TPB)/N] —}
Low Time _{with prescaler}
+ 25 nsec
TB15 TTXP TxCK
Synchronous, ^{[(Greater of 25 nsec or 2 —}
Input Period _{with prescaler}
TPB)/N]
+ 30 nsec
[(Greater of 25 nsec or 2 —
TPB)/N]
+ 50 nsec
TB20 TCKEXT- Delay from External TxCK
—
1
MRL Clock Edge to Timer
Increment
Note 1: These parameters are characterized, but not tested in manufacturing.
nsec
nsec
nsec
Must also meet ^{N = prescale}
parameter
value
TB15.
(1, 2, 4, 8, 16,
Must also meet ^{32, 64, 256)}
parameter
TB15.
VDD > 2.7V
nsec VDD < 2.7V
—
TPB
—
FIGURE 29-7:
INPUT CAPTURE (CAPx) TIMING CHARACTERISTICS
ICx
IC10
IC11
IC15
Note: Refer to Figure 29-1 for load conditions.
TABLE 29-25: INPUT CAPTURE MODULE 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⁽¹⁾
Min.
Max. Units
Conditions
IC10
IC11
IC15
Note 1:
TCCL ICx Input Low Time
[(12.5 nsec or 1TPB)/N]
+ 25 nsec
— nsec
TCCH ICx Input High Time
[(12.5 nsec or 1TPB)/N]
+ 25 nsec
— nsec
TCCP ICx Input Period
[(25 nsec or 2TPB)/N]
+ 50 nsec
— nsec
These parameters are characterized, but not tested in manufacturing.
Must also
meet
parameter
IC15.
Must also
meet
parameter
IC15.
—
N = prescale
value (1, 4, 16)
© 2010 Microchip Technology Inc.
DS61143G-page 169