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AM68AX Datasheet(PDF) 163 Page - Texas Instruments

Part # AM68AX
Description  AM68Ax Processors, Silicon Revision 1.0
PDF  251 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM68AX Datasheet(HTML) 163 Page - Texas Instruments

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Table 7-37. 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
Section 7.10.5.8.1 and Section 7.10.5.8.2 present timing requirements and switching characteristics for eQEP
(see Figure 7-50).
7.10.5.8.1 Timing Requirements for eQEP
NO.
MIN
MAX UNIT
QEP1
tw(qep)
Pulse duration, QEP_A/B
2 + 2P(1)
ns
QEP2
tw(qepiH)
Pulse duration, QEP_I high
2 + 2P(1)
ns
QEP3
tw(qepiL)
Pulse duration, QEP_I low
2 + 2P(1)
ns
QEP4
tw(qepsH)
Pulse duration, QEP_S high
2 + 2P(1)
ns
QEP5
tw(qepsL)
Pulse duration, QEP_S low
2 + 2P(1)
ns
(1)
P = sysclk
QEP_S
QEP4
EPERIPHERALS_TIMNG_03
QEP_I
QEP2
QEP_A/B
QEP1
QEP3
QEP5
Figure 7-50. eQEP Input Timings
7.10.5.8.2 Switching Characteristics for eQEP
NO.
PARAMETER
MIN
MAX UNIT
QEP6
td(QEP-CNTR)
Delay time, external clock to counter increment
24
ns
For more information, see Enhanced Quadrature Encoder Pulse (EQEP) Module section in Peripherals chapter
in the device TRM.
7.10.5.9 GPIO
The device has ten instances of GPIO modules. The GPIO modules are integrated in three groups.
• Group one: WKUP_GPIO0 and WKUP_GPIO1
• Group two: GPIO0, GPIO2, GPIO4, and GPIO6
• Group three: GPIO1, GPIO3, GPIO5, and GPIO7
Within each group, exactly one module is selected to control the corresponding I/O pins and pin interrupts.
www.ti.com
AM68A
SPRSP91 – FEBRUARY 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: AM68A



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