LM3S5D91 Datasheet, PDF (46/1340 Pages) Texas Instruments – Stellaris® LM3S5D91 Microcontroller

Architectural Overview
Figure 1-1. Stellaris LM3S5D91 Microcontroller High-Level Block Diagram
LM3S5D91
JTAG/SWD
System
Control and
Clocks
(w/ Precis. Osc.)
ARM®
Cortex™-M3
(80MHz)
ROM
Boot Loader
DriverLib
AES & CRC
NVIC
DCode bus
MPU
ICode bus
System Bus
Flash
(512KB)
Bus Matrix
SRAM
(96KB)
DMA
GPIOs
(72)
USB OTG
(FS PHY)
SSI
(2)
I2S
Analog
Comparator
(3)
PWM
(8)
SYSTEM PERIPHERALS
Watchdog
Timer
(2)
General-
Purpose
Timer (4)
External
Peripheral
Interface
SERIAL PERIPHERALS
UART
(3)
I2C
(2)
CAN
Controller
(2)
ANALOG PERIPHERALS
12- Bit ADC
Channels
(16)
MOTION CONTROL PERIPHERALS
QEI
(2)
46
January 22, 2012
Texas Instruments-Production Data