AM1705_1004 Datasheet, PDF (20/155 Pages) Texas Instruments – AM1705 ARM Microprocessor

AM1705
SPRS657A – FEBRUARY 2010 – REVISED APRIL 2010
www.ti.com
3.6.6 Enhanced Capture/Auxiliary PWM Modules (eCAP0, eCAP1, eCAP2)
The eCAP Module pins function as either input captures or auxiliary PWM 32-bit outputs, depending upon
how the eCAP module is programmed.
Table 3-8. Enhanced Capture Module (eCAP) Terminal Functions
SIGNAL NAME
PIN NO
PTP
TYPE ⁽¹⁾
PULL ⁽²⁾
MUXED
DESCRIPTION
eCAP0
ACLKX0/ECAP0/APWM0/GP2[12]
enhanced capture 0
126
I/O
IPD McASP0, GPIO
input or auxiliary
PWM 0 output.
eCAP1
ACLKR0/ECAP1/APWM1/GP2[15]
enhanced capture 1
130
I/O
IPD McASP0, GPIO
input or auxiliary
PWM 1 output.
eCAP2
ACLKR1/ECAP2/APWM2/GP4[12]
enhanced capture 2
165
I/O
IPD McASP1, GPIO
input or 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
3.6.7 Enhanced Pulse Width Modulators (eHRPWM0, eHRPWM1, eHRPWM2)
Table 3-9. Enhanced Pulse Width Modulator (eHRPWM) Terminal Functions
SIGNAL NAME
ACLKX1/EPWM0A/GP3[15]
AHCLKX1/EPWM0B/GP3[14]
AMUTE1/EPWMTZ/GP4[14]
AFSX1/EPWMSYNCI/EPWMSYNCO/GP4[10]
AXR1[8]/EPWM1A/GP4[8]
AXR1[7]/EPWM1B/GP4[7]
AMUTE1/EPWMTZ/GP4[14]
PIN NO
PTP
TYPE ⁽¹⁾
eHRPWM0
162
I/O
160
I/O
132
I/O
163
I/O
eHRPWM1
168
I/O
169
I/O
132
I/O
PULL ⁽²⁾
MUXED
DESCRIPTION
IPD
McASP1, GPIO
IPD
eHRPWM0 A output
(with
high-resolution).
eHRPWM0 B
output.
IPD
McASP1,
eHRPWM1, GPIO,
eHRPWM2
eHRPWM0 trip zone
input.
Sync input to
IPD
McASP1,
eHRPWM0, GPIO
eHRPWM0 module
or sync output to
external PWM.
IPD
McASP1, GPIO
IPD
eHRPWM1 A (with
high-resolution).
eHRPWM1 B
output.
IPD
McASP1,
eHRPWM0, GPIO,
eHRPWM2
eHRPWM1 trip zone
input.
(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
20
Device Overview
Submit Documentation Feedback
Product Folder Link(s): AM1705
Copyright © 2010, Texas Instruments Incorporated