LM3S9B81 Datasheet, PDF (64/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Architectural Overview
Figure 1-1. Stellaris^® LM3S9B81 Microcontroller High-Level Block Diagram
JTAG/SWD
System
Control and
Clocks
(w/ Precis. Osc.)
LM3S9B81
ARM®
Cortex™-M3
(80 MHz)
NVIC MPU
ROM
Boot Loader
DriverLib
AES & CRC
DCode bus Flash
(256 KB)
ICode bus
System Bus
Bus Matrix
SRAM
(96 KB)
DMA
GPIOs
(65)
USB
(OTG)
SSI
(2)
CAN
Controllers
(3)
Analog
Comparators
(3)
SYSTEM PERIPHERALS
Watchdog
Timers
(2)
General-
Purpose
Timers (4)
External
Peripheral
Interface
SERIAL PERIPHERALS
UARTs
(3)
I2C
(2)
Ethernet
MAC/PHY
I2S
ANALOG PERIPHERALS
ADC
Channels
(16)
64
June 29, 2010
Texas Instruments-Advance Information