LM3S328 Datasheet, PDF (30/371 Pages) List of Unclassifed Manufacturers – Microcontroller

Architectural Overview
1.5
System Block Diagram
Figure 1-2. LM3S328 Controller System-Level Block Diagram
VDD_3.3V
LDO
LDO
VDD_2.5V
GND
ARM Cortex-M3
(25 MHz)
CM3Core
NVIC
DCode
ICode
Flash
(16 KB)
Debug Bus
OSC0
OSC1
RST
IOSC PLL
POR
BOR
System
Control
& Clocks
GPIO Port A
APB Bridge
SRAM
(4 KB)
Watchdog
Timer
GPIO Port B
PA5/SSITx
PA4/SSIRx
PA3/SSIFss
PA2/SSIClk
PA1/U0Tx
PA0/U0Rx
PC4
PC6/CCP3
PC3/TDO/SWO
PC2/TDI
PC1/TMS/SWDIO
PC0/TCK/SWCLK
PC7/CCP4
PC5/CCP1
PE0
PE1
SSI
UART0
GPIO Port C
JTAG
SWD/SWO
GP Timer2
GPIO Port E
LM3S328
Master
I²C
Slave
GP Timer0
GP Timer1
GPIO Port D
UART1
ADC
Temperature
Sensor
PB7/TRST
PB6
PB5/CCP5
PB4
PB3/I2CSDA
PB2/I2CSCL
PB0/CCP0
PB1/CCP2
PD0
PD1
PD2/U1Rx
PD3/U1Tx
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADC1
ADC0
30
April 27, 2007
Preliminary