Texas Instruments TMS320x2833 series User Manual

www.ti.com Register Bit Definitions
Table 4-14. GPIO Port B MUX 1 (GPBMUX1) Register Field Descriptions (continued)
Bit Field Value Description
5:4 GPIO34 Configure this pin as:
00 GPIO 34 - general purpose I/O 34 (default)
01 ECAPI - Enhanced capture input/output 1 (I/O)
10 or XREADY - External interface ready signal
11
3:2 GPIO33 Configure this pin as:
00 GPIO 33 - general purpose I/O 33 (default)
01 SCLA - I2C clock open drain bidirectional port (I/O)
10 EPWMSYNCO - External ePWM sync pulse output (O)
11 ADCSOCBO - ADC start-of-conversion B (O)
1:0 GPIO32 Configure this pin as:
00 GPIO 32 - general purpose I/O 32 (default)
01 SDAA - I2C data open drain bidirectional port (I/O)
10 EPWMSYNCI - External ePWM sync pulse input (I)
11 ADCSOCAO - ADC start-of-conversion A (O)
Figure 4-11. GPIO Port B MUX 2 (GPBMUX2) Register
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
GPIO63 GPIO62 GPIO61 GPIO60 GPIO59 GPIO58 GPIO57 GPIO56
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
GPIO55 GPIO54 GPIO53 GPIO52 GPIO51 GPIO50 GPIO49 GPIO48
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
LEGEND: R/W = Read/Write; R = Read only; - n = value after reset
Table 4-15. GPIO Port B MUX 2 (GPBMUX2) Register Field Descriptions
Bit Field Value Description
31:30 GPIO63 Configure this pin as:
00 GPIO 63 - general purpose I/O 63 (default)
01 GPIO 63 - general purpose I/O 63 (default)
10 or XD16 - External interface data line 16 (I/O)
11
29:28 GPIO62 Configure this pin as:
00 GPIO 62 - general purpose I/O 62 (default)
01 SCIRXDC - SCI-C receive data (I)
10 or XD17 - External interface data line 17 (I/O)
11
27:26 GPIO61 Configure this pin as:
00 GPIO 61 - general purpose I/O 61 (default)
01 MFSRB - McBSP-B receive frame synch (I/O)
10 or XD18 - External interface data line 18 (I/O)
11
25:24 GPIO60 Configure this pin as:
00 GPIO 60 - general purpose I/O 60 (default)
01 MCLKRB - McBSP-B receive clock (I/O)
10 or XD19 - External interface data line 19 (I/O)
11
SPRUFB0C – September 2007 – Revised May 2009 General-Purpose Input/Output (GPIO) 89
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Texas Instruments TMS320x2833 series Specifications

General

Core	TMS320C28x
CPU Frequency (MHz)	150
Clock Speed	150 MHz
ADC Resolution (bits)	12
ADC Resolution	12-bit
Communication Interfaces	CAN, SPI, I2C, UART
CAN Modules	2
I2C Interfaces	1
Operating Temperature Range (°C)	-40 to 125
CPU Bit Size	32
Flash Memory (KB)	512
Number of ADC Channels	16
ADC Channels	16
PWM	16
UART Interfaces	2
Supply Voltage (V)	1.8, 3.3
Operating Voltage	1.8V, 3.3V

Summary

Chapter 1 Flash and OTP Memory Blocks

Flash and OTP Memory

Configures flash and one-time programmable (OTP) memory, its features, and power modes.

Flash and OTP Power Modes

Chapter 2 Code Security Module (CSM)

Functional Description

Explains the CSM's role in protecting on-chip memory access and security levels.

Incorporating Code Security in User Applications

Guides on setting up device security using passwords and key registers.

Chapter 3 Clocking

Clocking and System Control

Describes clock generation, system control, and reset domains.

OSC and PLL Block

Details the on-chip oscillator and PLL for clocking, including modes and fail detection.

Low-Power Modes Block

Watchdog Block

Chapter 4 General-Purpose Input/Output (GPIO)

GPIO Module Overview

Introduces the GPIO module, pin multiplexing, and I/O capabilities.

Configuration Overview

GPIO and Peripheral Multiplexing (MUX)

Chapter 6 Peripheral Interrupt Expansion (PIE)

Overview of the PIE Controller

Introduces the PIE controller for managing peripheral and external interrupts.

Interrupt Sources

Details various interrupt sources and their multiplexing within the PIE.

PIE Configuration Registers

PIE Interrupt Registers