Table of Contents
Advertisement
C28 General-Purpose Input/Output (GPIO)
Primary I/O Function
GPAMUX1 Register Bits
(GPAMUX1 bits = 00)
1-0
3-2
5-4
7-6
9-8
11-10
13-12
15-14
17-16
19-18
21-20
23-22
25-24
27-26
29-28
31-30
GPAMUX2 Register Bits
(GPAMUX2 bits = 00)
1-0
3-2
5-4
7-6
9-8
11-10
13-12
15-14
17-16
19-18
21-20
23-22
25-24
27-26
29-28
31-30
Note: The word Reserved means that there is no peripheral assigned to this GPxMUX1/2 register setting. Should it be selected, the state of
the pin will be undefined and the pin may be driven. This selection is a reserved configuration for future expansion.
386
General-Purpose Input/Output (GPIO)
Table 4-45. GPIOA MUX
Default at Reset
Peripheral Selection
(GPAMUX1 bits = 01)
GPIO0
EPWM1A (O)
GPIO1
EPWM1B (O)
GPIO2
EPWM2A (O)
GPIO3
EPWM2B (O)
GPIO4
EPWM3A (O)
GPIO5
EPWM3B (O)
GPIO6
EPWM4A (O)
GPIO7
EPWM4B (O)
GPIO8
EPWM5A (O)
GPIO9
EPWM5B (O)
GPIO10
EPWM6A (O)
GPIO11
EPWM6B (O)
GPIO12
EPWM7A (O)
GPIO13
EPWM7B (O)
GPIO14
EPWM8A (O)
GPIO15
EPWM8B (O)
(GPAMUX2 bits = 01)
GPIO16
SPISIMOA (I/O)
GPIO17
SPISOMIA (I/O)
GPIO18
SPICLKA (I/O)
GPIO19
SPISTEA (I/O)
GPIO20
EQEP1A (I)
GPIO21
EQEP1B (I)
GPIO22
EQEP1S (I/O)
GPIO23
EQEP1I (I/O)
GPIO24
ECAP1 (I/O)
GPIO25
ECAP2 (I/O)
GPIO26
ECAP3 (I/O)
GPIO27
ECAP4 (I/O)
GPIO28
SCIRXDA (I)
GPIO29
SCITXDA (O)
GPIO30
Reserved
GPIO31
Reserved
Copyright © 2012–2019, Texas Instruments Incorporated
Peripheral Selection 2
Peripheral Selection 3
(GPAMUX1 bits = 10)
(GPAMUX1 bits = 11)
Reserved
ECAP6 (I/O)
Reserved
ECAP5 (I/O)
Reserved
MFSRA (I/O)
Reserved
MCLKRA (I/O)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
(GPAMUX2 bits = 10)
(GPAMUX2 bits = 11)
Reserved
Reserved
Reserved
Reserved
MDXA (O)
MDRA (I)
MCLKXA (I/O)
MFSXA (I/O)
EQEP2A (I)
EQEP2B (I)
EQEP2I (I/O)
EQEP2S (I/O)
Reserved
Reserved
Reserved
Reserved
SPRUH22I – April 2012 – Revised November 2019
Submit Documentation Feedback
www.ti.com
Reserved
Reserved
Reserved
Reserved
Reserved
ECAP1 (O)
EPWMSYNCO (O)
ECAP2 (O)
ADCSOCAO (O)
ECAP3 (O)
ADCSOCBO (O)
ECAP4 (O)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
EPWM9A (O)
EPWM9B (O)
Advertisement
Chapters
Table of Contents
