1. TI ARM I/O Programming Chapter 2
Microcontroller Course

2. Topics Texas Instruments Tiva TM4C123GH6PM Microcontroller GPIO
I/O Pins in TI Tiva LaunchPad
Direction and Data Registers
Data Register (GPIODATA) in TI ARM
Seven-segment LED interfacing and programming
Produced by Sh. Yaghni

3. Texas Instruments Tiva TM4C123GH6PM Microcontroller (TI Tiva TM4C123GH6PM Microcontroller High-Level Block Diagram)
Produced by Sh. Yaghni

4. Texas Instruments Tiva TM4C123GH6PM Microcontroller (TI Tiva LaunchPad Trainer board)
Produced by Sh. Yaghni

5. Texas Instruments Tiva TM4C123GH6PM Microcontroller (Memory Map in TM4C123GH6PM)
Produced by Sh. Yaghni

6. Texas Instruments Tiva TM4C123GH6PM Microcontroller (Memory Map )
Produced by Sh. Yaghni

7. GPIO (GPIO Memory Map)
Produced by Sh. Yaghni

8. I/O Pins in TI Tiva LaunchPad (TM4C134GH6PM Pin-out)
Produced by Sh. Yaghni

9. Direction and Data Register (The Data and Direction Registers and a Simplified View of an I/O pin)
Produced by Sh. Yaghni

10. Data Register (GPIODATA) in TI ARM (GPIOData Register)
Produced by Sh. Yaghni

11. Data Register (GPIODATA) in TI ARM (Bit banding case study )
Produced by Sh. Yaghni

12. Data Register (GPIODATA) in TI ARM (Bit banding case study )
Example: writing to address 0x
Produced by Sh. Yaghni

13. Direction Register in TI ARM (GPIODIR Register)
Produced by Sh. Yaghni

14. Direction Register in TI ARM (Some GPIO Registers)
Offset
Name
Description
Type
Reset
Value
0x0000
GPIODATA
Data register
R/W
0x0400
GPIODIR
Direction register
0x0510
GPIOPUR
Pull-up Register 0*
0x051C
GPIODEN
Digital Enable
Note: On reset, all pins are in input tri-state mode; except PA[1:0], PA[5:2], PB[3:2], PC[3:0]
Produced by Sh. Yaghni

15. The GPIO Digital Enable Register (GPIODEN Register)
Produced by Sh. Yaghni

16.   The GPIO Clock enable for all the I/O ports (RCGCGPIO (Run mode Clock Gating Control) Register )
Produced by Sh. Yaghni

17. LED connection in TI Tiva LaunchPad (LED connection to PORTF in TI Tiva LaunchPad)
Produced by Sh. Yaghni

18. Reading a switch in TI Tiva LaunchPad ( Push-button Switches Connected to the Microcontroller in the Tiva LaunchPad Board)
Produced by Sh. Yaghni

19. Seven-segment LED interfacing and programming (Seven Segment)
Produced by Sh. Yaghni

20. Seven-segment LED interfacing and programming (Assignments of port pins to each segments of a 7-seg LED) D7 D6 D5 D4 D3 D2 D1 D0 . g F e D c B a
Produced by Sh. Yaghni

21. Seven-segment LED interfacing and programming (Segment patterns for the 10 decimal digits for a common cathode 7-seg LED)
Num D7 D6 D5 D4 D3 D2 D1 D0
Hex value . g f e d c b a 1
0x3F
0x06 2
0x5B 3
0x4F 4
0x66 5
0x6D 6
0x7D 7
0x07 8
0x7F 9
0x6F
Produced by Sh. Yaghni

22. Seven-segment LED interfacing and programming (Microcontroller Connection to 7-segment LED)
Produced by Sh. Yaghni

23. Seven-segment LED interfacing and programming (Microcontroller Connection to 7-segment LED with Buffer Driver)
Produced by Sh. Yaghni