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Texas Instruments Tiva TM4C123GH6PM User Manual

Texas Instruments Tiva TM4C123GH6PM
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Flash
Description:
Enables the indicated flash controller interrupt sources. Only the sources that are enabled can
be reflected to the processor interrupt; disabled sources have no effect on the processor.
Returns:
None.
8.2.1.5 ROM_FlashIntStatus
Gets the current interrupt status.
Prototype:
uint32_t
ROM_FlashIntStatus(bool bMasked)
ROM Location:
ROM_APITABLE is an array of pointers located at 0x0100.0010.
ROM_FLASHTABLE is an array of pointers located at ROM_APITABLE[7].
ROM_FlashIntStatus is a function pointer located at ROM_FLASHTABLE[12].
Parameters:
bMasked is false if the raw interrupt status is required and true if the masked interrupt status
is required.
Description:
This returns the interrupt status for the flash controller. Either the raw interrupt status or the
status of interrupts that are allowed to reflect to the processor can be returned.
Returns:
The current interrupt status, enumerated as a bit field of FLASH_INT_PROGRAM and
FLASH_INT_ACCESS.
8.2.1.6 ROM_FlashProgram
Programs flash.
Prototype:
int32_t
ROM_FlashProgram(uint32_t
*
pui32Data,
uint32_t ui32Address,
uint32_t ui32Count)
ROM Location:
ROM_APITABLE is an array of pointers located at 0x0100.0010.
ROM_FLASHTABLE is an array of pointers located at ROM_APITABLE[7].
ROM_FlashProgram is a function pointer located at ROM_FLASHTABLE[0].
Parameters:
pui32Data is a pointer to the data to be programmed.
ui32Address is the starting address in flash to be programmed. Must be a multiple of four.
ui32Count is the number of bytes to be programmed. Must be a multiple of four.
76 April 8, 2013
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Texas Instruments Tiva TM4C123GH6PM Specifications

General IconGeneral
CoreARM Cortex-M4F
Clock Speed80 MHz
Flash Memory256 KB
SRAM32 KB
GPIO Pins43
UART8
I2C2
SPI/SSI4
USBUSB 2.0
Timers6
Communication InterfacesUART, I2C, SPI, USB
Operating Temperature-40°C to 85°C
PackageLQFP64

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

Watchdog Timer

Functions

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

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