Texas Instruments Tiva TM4C123GH6PM User Manual

uDMA Controller
UDMA_ATTR_REQMASK is used to mask the hardware request signal from the periph-
eral for this channel.
Returns:
None.
23.2.1.4 ROM_uDMAChannelAttributeGet
Gets the enabled attributes of a uDMA channel.
Prototype:
uint32_t
ROM_uDMAChannelAttributeGet(uint32_t ui32ChannelNum)
ROM Location:
ROM_APITABLE is an array of pointers located at 0x0100.0010.
ROM_UDMATABLE is an array of pointers located at ROM_APITABLE[17].
ROM_uDMAChannelAttributeGet is a function pointer located at ROM_UDMATABLE[13].
Parameters:
ui32ChannelNum is the channel to configure.
Description:
This function returns a combination of flags representing the attributes of the uDMA channel.
The ui32ChannelNum parameter must be only one of the following values:
UDMA_CHANNEL_ADC0
UDMA_CHANNEL_ADC1
UDMA_CHANNEL_ADC2
UDMA_CHANNEL_ADC3
UDMA_SEC_CHANNEL_ADC10
UDMA_SEC_CHANNEL_ADC11
UDMA_SEC_CHANNEL_ADC12
UDMA_SEC_CHANNEL_ADC13
UDMA_CHANNEL_SSI0RX
UDMA_CHANNEL_SSI0TX
UDMA_CHANNEL_SSI1RX
UDMA_CHANNEL_SSI1TX
UDMA_SEC_CHANNEL_SSI1RX
UDMA_SEC_CHANNEL_SSI1TX
UDMA_CHANNEL_TMR0A
UDMA_CHANNEL_TMR0B
UDMA_CHANNEL_TMR1A
UDMA_CHANNEL_TMR1B
UDMA_SEC_CHANNEL_TMR1A
UDMA_SEC_CHANNEL_TMR1B
UDMA_SEC_CHANNEL_TMR2A_4
UDMA_SEC_CHANNEL_TMR2B_5
278 April 8, 2013

Texas Instruments Tiva TM4C123GH6PM Specifications

General

Core	ARM Cortex-M4F
Clock Speed	80 MHz
Flash Memory	256 KB
SRAM	32 KB
GPIO Pins	43
UART	8
I2C	2
SPI/SSI	4
USB	USB 2.0
Timers	6
Communication Interfaces	UART, I2C, SPI, USB
Operating Temperature	-40°C to 85°C
Package	LQFP64

Summary

Boot Loader

Introduction

Explains the ROM-based boot loader and its interfaces for flash updates.

Serial Interfaces

Details the UART, SSI, and I2C interfaces used by the boot loader.

USB Interface

Describes the USB boot loader functionality using the DFU protocol.

Controller Area Network (CAN)

Flash

GPIO

Hibernation Module

Inter-Integrated Circuit (I2C)

Interrupt Controller (NVIC)

Memory Protection Unit (MPU)

Pulse Width Modulator (PWM)

Synchronous Serial Interface (SSI)

System Control

Timer

UART

uDMA Controller

USB Controller

Using USB with the uDMA Controller

Watchdog Timer

Introduction

Functions

Lists and describes API functions for watchdog timer configuration, interrupts, and lock mechanism.