PIC32MX440F256H-80I Datasheet, PDF (609/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
FIGURE 30-6:
TIMER1, 2, 3, 4, 5 EXTERNAL CLOCK TIMING CHARACTERISTICS
TxCK
TMRx
Tx10
Tx11
Tx15
OS60
Tx20
Note: Refer to Figure 30-1 for load conditions.
TABLE 30-23: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS⁽¹⁾
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.
Typical Max. Units Conditions
TA10 TTXH
TxCK High Time Synchronous,
10
with prescaler
— — nsec Must also meet
parameter TA15
Asynchronous,
10
with prescaler
— — nsec
Asynchronous
10
— — nsec
TA11 TTXL
TxCK Low Time Synchronous,
10
with prescaler
— — nsec Must also meet
parameter TA15
Asynchronous,
10
with prescaler
— — nsec
Asynchronous
10
— — nsec
TA15 TTXP
TxCK Input Period Synchronous, Greater of:
— — nsec
with prescaler 10 nsec or
(2 * TPB + 10)
Asynchronous, Greater of:
—
with prescaler 10 nsec or
(2 * TPB + 10)/N
— — N = prescale
value
(1, 8, 64, 256)
Asynchronous
10
— — nsec
OS60 FT1
SOSC1/T1CK Oscillator Input
Frequency Range (oscillator
enabled by setting TCS bit
(T1CON<1>))
32
— 100 kHz
TA20 TCKEXTMRL Delay from External TxCK Clock
—
Edge to Timer Increment
10 nsec
Note 1: Timer1 is a Type A.
© 2008 Microchip Technology Inc.
Preliminary
DS61143E-page 607