AM2634 datasheet(90/164 Pages) TI

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7.11.5.2 Enhanced Capture (eCAP)

Note

The device has multiple eCAP modules. The generic CAP_ prefix is used to represent the signal

names for all eCAP instances.

For more information, see Enhanced Capture (eCAP) Module section in the device TRM.

eCAP Timing Conditions

PARAMETER

MIN

MAX

UNIT

INPUT CONDITIONS

SRI

Input Slew Rate

V/ns

OUTPUT CONDITIONS

Output Load Capacitance

eCAP Timing Requirements

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

CAP1

tw(CAP)

Capture input pulse width

Asynchronous

(2 + X(2)) × P(1)

Synchronous

(3 + X(2)) × P(1)

With input qualifier

(2 + X(2)) × P(1) + U(3)

(1)

P = sysclk period in ns.

(2)

X = value of ECCTL0_TYPE3[QUALPRD] setting.

(3)

U = the input qualifier sampling window. See GPIO Electrical Data and Timing section for details on Input Qualifier Mode

CAP

CAP1

EPERIPHERALS_TIMNG_01

Figure 7-15. ECAP Timings Requirements

eCAP Switching Charcteristics

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

CAP2

tw(APWM)

Pulse duration, APWMx output high/low

APWM

CAP2

EPERIPHERALS_TIMNG_02

Figure 7-16. ECAP Switching Characteristics

AM2634, AM2634-Q1, AM2632, AM2632-Q1, AM2631, AM2631-Q1

SPRSP74C – OCTOBER 2022 – REVISED NOVEMBER 2022

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Product Folder Links: AM2634 AM2634-Q1 AM2632 AM2632-Q1 AM2631 AM2631-Q1

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