TM4C1232C3PM Datasheet, PDF (457/1171 Pages) Texas Instruments – Tiva Microcontroller

Tiva^™ TM4C1232C3PM Microcontroller
7
7.1
Internal Memory
The TM4C1232C3PM microcontroller comes with 12 KB of bit-banded SRAM, internal ROM, 32 KB
of Flash memory, and 2KB of EEPROM. The Flash memory controller provides a user-friendly
interface, making Flash memory programming a simple task. Flash memory is organized in 1-KB
independently erasable blocks and memory protection can be applied to the Flash memory on a
2-KB block basis. The EEPROM module provides a well-defined register interface to support accesses
to the EEPROM with both a random access style of read and write as well as a rolling or sequential
access scheme. A password model allows the application to lock one or more EEPROM blocks to
control access on 16-word boundaries.
Block Diagram
Figure 7-1 on page 457 illustrates the internal SRAM, ROM, and Flash memory blocks and control
logic. The dashed boxes in the figure indicate registers residing in the System Control module.
Figure 7-1. Internal Memory Block Diagram
ROM Control
RMCTL
ROMSWMAP
ROM Array
Cortex-M4F
Icode Bus
Dcode Bus
Bridge
SRAM Array
Flash Control
FMA
FMD
FMC
FCRIS
FCIM
FCMISC
FSIZE
SSIZE
Flash Write Buffer
FMC2
FWBVAL
FWBn
32 words
Flash_FMPr_Po_Rte_Ection
FFMMPPRPEEn
FMPPEn
User Registers
BOOTCFG
USER_REG0
USER_REG1
USER_REG2
USER_REG3
Flash Array
June 12, 2014
457
Texas Instruments-Production Data