70592C datasheet(257/314 Pages) MICROCHIP

257 / 314 page

DS70592C-page 257

PIC24HJXXXGPX06A/X08A/X10A

FIGURE 24-5:

TIMER1, 2, 3, 4, 5, 6, 7, 8 AND 9 EXTERNAL CLOCK TIMING CHARACTERISTICS

TABLE 24-22: TIMER1 EXTERNAL CLOCK TIMING REQUIREMENTS(1)

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V

(unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤+85°C for Industrial

-40°C

≤TA ≤+125°C for Extended

Param

No.

Symbol

Characteristic

Min

Typ

Max

Units

Conditions

TA10

TTXH

TxCK High Time

Synchronous,

no prescaler

TCY + 20

—

Must also meet

parameter TA15

Synchronous,

with prescaler

(TCY + 20)/N

—

Asynchronous

—

TA11

TTXL

TxCK Low Time

Synchronous,

no prescaler

(TCY + 20)/N

—

Must also meet

parameter TA15

Synchronous,

with prescaler

—

N = prescale

value

(1,8,64,256)

Asynchronous

—

TA15

TTXP

TxCK Input Period Synchronous,

no prescaler

2TCY + 40

—

Synchronous,

with prescaler

Greater of:

40 ns or

(2TCY + 40)/

—

N = prescale

value

(1, 8, 64, 256)

Asynchronous

—

OS60

Ft1

SOSC1/T1CK Oscillator Input

frequency Range (oscillator

enabled by setting TCS bit

(T1CON<1>))

—

kHz

—

TA20

TCKEXTMRL Delay from External TxCK Clock

Edge to Timer Increment

0.75TCY+40

—

1.75TCY

+40

—

Note 1: Timer1 is a Type A.

Note: Refer to Figure 24-1 for load conditions.

Tx11

Tx15

Tx10

Tx20

TMRx

OS60

TxCK

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