XAM2432...ALX datasheet(160/280 Pages) TI

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7.10.5.5 EQEP

Table 7-41, Table 7-42, Figure 7-35, and Table 7-43 present timing conditions, requirements, and switching

characteristics for EQEP.

Table 7-41. EQEP Timing Conditions

PARAMETER

MIN

MAX

UNIT

INPUT CONDITIONS

SRI

Input slew rate

V/ns

OUTPUT CONDITIONS

Output load capacitance

Table 7-42. EQEP Timing Requirements

see Figure 7-35

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

QEP1

tw(QEP)

Pulse duration, QEP_A/B

2 + 2P

(1)

QEP2

tw(QEPIH)

Pulse duration, QEP_I high

2 + 2P

(1)

QEP3

tw(QEPIL)

Pulse duration, QEP_I low

2 + 2P

(1)

QEP4

tw(QEPSH)

Pulse duration, QEP_S high

2 + 2P

(1)

QEP5

tw(QEPSL)

Pulse duration, QEP_S low

2 + 2P

(1)

P = sysclk period in ns

QEP_S

QEP4

EPERIPHERALS_TIMNG_03

QEP_I

QEP2

QEP_A/B

QEP1

QEP3

QEP5

Figure 7-35. EQEP Timing Requirements

Table 7-43. EQEP Switching Characteristics

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

QEP6

td(QEP-CNTR)

Delay time, external clock to counter increment

For more information, see Enhanced Quadrature Encoder Pulse (EQEP) Module section in Peripherals chapter

in the device TRM.

AM2434, AM2432, AM2431

SPRSP65D – APRIL 2021 – REVISED AUGUST 2022

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