AM67 datasheet(141/237 Pages) TI

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6.9.5.11 EQEP

Table 6-58, Table 6-59, Figure 6-46, and Table 6-60 present timing conditions, timing requirements, and

switching characteristics for EQEP.

Table 6-58. EQEP Timing Conditions

PARAMETER

MIN

MAX

UNIT

INPUT CONDITIONS

SRI

Input slew rate

V/ns

OUTPUT CONDITIONS

Output load capacitance

Table 6-59. EQEP Timing Requirements

see Figure 6-46

NO.

PARAMETER

DESCRIPTION

MIN

MAX

UNIT

QEP1

tw(QEP)

Pulse duration, QEP_A/B

2P(1) + 2

QEP2

tw(QEPIH)

Pulse duration, QEP_I high

2P(1) + 2

QEP3

tw(QEPIL)

Pulse duration, QEP_I low

2P(1) + 2

QEP4

tw(QEPSH)

Pulse duration, QEP_S high

2P(1) + 2

QEP5

tw(QEPSL)

Pulse duration, QEP_S low

2P(1) + 2

(1)

P = sysclk period in ns

QEP_S

QEP4

EPERIPHERALS_TIMNG_03

QEP_I

QEP2

QEP_A/B

QEP1

QEP3

QEP5

Figure 6-46. EQEP Timing Requirements

Table 6-60. 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.

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AM67, AM67A

SPRSPA3A – MARCH 2024 – REVISED SEPTEMBER 2024

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