AM1707_1008 datasheet(21/199 Pages) TI

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AM1707

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SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010

3.6.7

Enhanced Capture/Auxiliary PWM Modules (eCAP0, eCAP1, eCAP2)

The eCAP Module pins function as either input captures or auxilary PWM 32-bit outputs, depending upon

how the eCAP module is programmed.

Table 3-9. Enhanced Capture Module (eCAP) Terminal Functions

No.

SIGNAL NAME

TYPE(1) PULL(2)

MUXED

DESCRIPTION

ZKB

eCAP0

enhanced capture

0 input or

ACLKX0/ECAP0/APWM0/GP2[12]

I/O

IPD

McASP0, GPIO

auxiliary PWM 0

output.

eCAP1

enhanced capture

1 input or

ACLKR0/ECAP1/APWM1/GP2[15]

I/O

IPD

McASP0, GPIO

auxiliary PWM 1

output.

eCAP2

enhanced capture

2 input or

ACLKR1/ECAP2/APWM2/GP4[12]

I/O

IPD

McASP1, GPIO

auxiliary PWM 2

output.

(1)

I = Input, O = Output, I/O = Bidirectional, Z = High impedance, PWR = Supply voltage, GND = Ground, A = Analog signal.

Note: The pin type shown refers to the input, output or high-impedance state of the pin function when configured as the the signal name

highlighted in bold. All multiplexed signals may enter a high-impedance state when the configured function is input-only or the configured

function supports high-Z operation. All GPIO signals can be used as input or output. For multiplexed pins where functions have different

types (ie., input versus output), the table reflects the pin function direction for that particular peripheral.

(2)

IPD = Internal Pulldown resistor, IPU = Internal Pullup resistor

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