LM3S1937 Datasheet, PDF (42/673 Pages) Texas Instruments – Stellaris® LM3S1937 Microcontroller

Architectural Overview
Figure 1-1. Stellaris LM3S1937 Microcontroller High-Level Block Diagram
LM3S1937
JTAG/SWD
System
Control and
Clocks
(w/ Precis. Osc.)
ARM®
Cortex™-M3
(50MHz)
NVIC
DCode bus
MPU
ICode bus
System Bus
Flash
(256KB)
Bus Matrix
SRAM
(64KB)
Hibernation
Module
GPIOs
(27-56)
I2C
(1)
Analog
Comparator
(1)
SYSTEM PERIPHERALS
Watchdog
Timer
(1)
General-
Purpose
Timer (3)
SERIAL PERIPHERALS
UART
(2)
SSI
(1)
ANALOG PERIPHERALS
10- Bit ADC
Channels
(4)
MOTION CONTROL PERIPHERALS
PWM
(6)
42
June 18, 2012
Texas Instruments-Production Data