LM3S6952 Datasheet, PDF (223/626 Pages) Texas Instruments – Stellaris LM3S6952 Microcontroller

Stellaris® LM3S6952 Microcontroller
10.1
– Input edge time capture
■ 16-bit PWM mode
– Simple PWM mode with software-programmable output inversion of the PWM signal
Block Diagram
Note: In Figure 10-1 on page 223, the specific CCP pins available depend on the Stellaris^® device.
See Table 10-1 on page 223 for the available CCPs.
Figure 10-1. GPTM Module Block Diagram
0x0000 (Down Counter Modes)
Interrupt / Config
TimerA
Interrupt
TimerB
Interrupt
GPTMCFG
GPTMCTL
GPTMIMR
GPTMRIS
GPTMMIS
GPTMICR
TimerA Control
GPTMTAPMR
GPTMTAPR
GPTMTAMATCHR
GPTMTAILR
GPTMTAMR
TimerB Control
GPTMTBPMR
GPTMTBPR
GPTMTBMATCHR
GPTMTBILR
GPTMTBMR
TA Comparator
GPTMAR En
GPTMTBR En
TB Comparator
Clock / Edge
Detect
32 KHz or
Even CCP Pin
RTC Divider
Clock / Edge
Detect
Odd CCP Pin
System
Clock
0x0000 (Down Counter Modes)
10.2
Table 10-1. Available CCP Pins
Timer
Timer 0
Timer 1
Timer 2
16-Bit Up/Down Counter
TimerA
TimerB
TimerA
TimerB
TimerA
TimerB
Even CCP Pin
CCP0
-
CCP2
-
-
-
Odd CCP Pin
-
CCP1
-
CCP3
-
-
Functional Description
The main components of each GPTM block are two free-running 16-bit up/down counters (referred
to as TimerA and TimerB), two 16-bit match registers, two prescaler match registers, and two 16-bit
April 05, 2010
223
Texas Instruments-Production Data