Texas Instruments TMS320F2837 D Series Workshop Guide And Lab Manual

General Purpose Digital I/O
TMS320F2837xD Microcontroller Workshop - System Initialization 5 - 15
F28x7x GPIO Control & Data Registers
GpioCtrlRegs.register / GpioDataRegs.register (lab file: Gpio.c)
Register Description
GPxCTRL GPIO x Control Register
GPxQSEL1 GPIO x Qualifier Select 1 Register
GPxQSEL2 GPIO x Qualifier Select 2 Register
GPxMUX1 GPIO x Mux1 Register
GPxMUX2 GPIO x Mux2 Register
GPxDIR GPIO x Direction Register
GPxPUD GPIO x Pull-Up Disable Register
GPxINV GPIO x Input Polarity Invert Registers
GPxGSEL1 GPIO x Peripheral Group Mux
GPxGSEL2 GPIO x Peripheral Group Mux
GPxCSEL1 GPIO x Core Select Register
GPxCSEL2 GPIO x Core Select Register
GPxCSEL3 GPIO x Core Select Register
GPxCSEL4 GPIO x Core Select Register
GPxDAT GPIO x Data Register
GPxSET GPIO x Data Set Register
GPxCLEAR GPIO x Data Clear Register
GPxTOGGLE GPIO x Data Toggle Register
Where x = A, B, C, D, E, or F
Control
Data
GPIO Input X-Bar
F28x7x GPIO Input X-Bar
Input X-Bar
ePWM
X-Bar
Output X-Bar
ePWM and eCAP
Sync Chain
ePWM
Modules
CPU.PIE
CLA
Asynchronous
Synchronous
Sync. + Qual.
ADC
GPIO0
GPIOx
INPUT7
INPUT8
INPUT9
INPUT10
INPUT11
INPUT12
INPUT14 INPUT13 INPUT6 INPUT5 INPUT4 INPUT3 INPUT2 INPUT1
TRIP6
TRIP4
TRIP5
TRIP7
TRIP8
TRIP9
TRIP10
TRIP11
TRIP12
EXTSYNCIN1
EXTSYNCIN2
ADCEXTSOC
●
●
●
●
●
●
XINT5
XINT4
XINT3
XINT2
XINT1
eCAP1
eCAP2
eCAP3
eCAP4
eCAP5
eCAP6
TZ1, TRIP1
TZ2, TRIP2
TZ3, TRIP3
The Input X-BAR is used to route external GPIO signals into the device. It has access to every
GPIO pin, where each signal can be routed to any or multiple destinations which include the
ADCs, eCAPs, ePWMs, Output X-BAR, and external interrupts. This provides additional flexibility

Texas Instruments TMS320F2837 D Series Specifications

General

Brand	Texas Instruments
Model	TMS320F2837 D Series
Category	Microcontrollers
Language	English