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AM261...ZCZQ1 Datasheet(PDF) 119 Page - Texas Instruments

Part # AM261...ZCZQ1
Description  AM261x Sitara™ Microcontrollers
PDF  218 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

AM261...ZCZQ1 Datasheet(HTML) 119 Page - Texas Instruments

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6.11.5.4 Enhanced Quadrature Encoder Pulse (eQEP)
Note
The device has multiple EQEP modules. The generic QEP_ prefix is used to represent the signal
names for all EQEP instances.
For more information, see Enhanced Quadrature Encoder Pulse (EQEP) Module section in the device TRM.
6.11.5.4.1 EQEP Timing Conditions
PARAMETER
MIN
MAX
UNIT
INPUT CONDITIONS
SRI
Input Slew Rate
1
4
V/ns
OUTPUT CONDITIONS
CL
Output Load Capacitance
2
7
pF
6.11.5.4.2 EQEP Timing Requirements
NO.
PARAMETER
DESCRIPTION
MIN
MAX
UNIT
QEP1
tw(QEPP)
QEP input period
Synchronous(3)
3P(1)
ns
With input qualifier
2 × (P(1) + U(2))
QEP2
tw(INDEXH)
QEP Index Input High time
Synchronous(3)
2 + 3P(1)
ns
With input qualifier
2P(1) + U(2)
QEP3
tw(INDEXL)
QEP Index Input Low time
Synchronous(3)
3P(1)
ns
With input qualifier
2P(1) + U(2)
QEP4
tw(STROBH)
QEP Strobe High time
Synchronous(3)
3P(1)
ns
With input qualifier
2P(1) + U(2)
QEP5
tw(STROBL)
QEP Strobe Input Low time
Synchronous(3)
3P(1)
ns
With input qualifier
2P(1) + U(2)
(1)
P = sysclk period in ns.
(2)
U = the input qualifier sampling window. See GPIO Electrical Data and Timing section for details on Input Qualifier Mode.
(3)
The GPIO GPxQSELn Asynchronous mode should not be used for EQEP module input pins.
QEP_S
QEP4
EPERIPHERALS_TIMNG_03
QEP_I
QEP2
QEP_A/B
QEP1
QEP3
QEP5
Figure 6-22. EQEP Timing Requirements
www.ti.com
AM2612, AM2611, AM2611-Q1, AM2612-Q1
SPRSPA7C – SEPTEMBER 2024 – REVISED JULY 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: AM2612 AM2611 AM2611-Q1 AM2612-Q1



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