LM3S315_06 Datasheet, PDF (31/372 Pages) List of Unclassifed Manufacturers – Microcontroller

1.5
LM3S315 Data Sheet
System Block Diagram
Figure 1-2. LM3S315 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
ADC3
ADC2
ADC1
ADC0
LM3S315
SSI
UART0
GPIO Port C
JTAG
SWD/SWO
GP Timer2
GPIO Port E
ADC
Temperature
Sensor
Analog
Comparators
GP Timer0
GPIO Port D
PWM
UART1
GP Timer1
PB7/TRST
PB6/C0+
PB4/C0-
PB3
PB2
PB1
PB0/CCP0
PB5/CCP5
PD6/Fault
PD0/PWM0
PD1/PWM1
PD2/U1Rx
PD3/U1Tx
PD4
PD5/CCP2
PD7/C0o
October 8, 2006
31
Preliminary