Datasheet

854
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
 Two independent event lines which can send up to 4 triggers on ADC within a period
 One programmable Fault Input providing an asynchronous protection of outputs
 Stepper motor control (2 Channels)
38.3 Block Diagram
Figure 38-1. Pulse Width Modulation Controller Block Diagram
38.4 I/O Lines Description
Each channel outputs two complementary external I/O lines.
APB
ADC
Co m p a r i so n
Units
Interrupt
Controller
Interrupt Generator
event line 0
event line 1
Eve n t s
Gen er at o r
event line x
Co m p a r a t o r
Clock
Se l e c t o r
Counter
Channel 0
Dut y-Cycle
Pe r i o d
Update
APB
Interface
CLOCK
Gen er at o r
PIO
PM C
Dead-Time
Gen er at o r
Out put
Override
Fa u l t
Protection
PIO
Co m p a r a t o r
Dead-Time
Gen er at o r
Out put
Override
Fa u l t
Protection
Counter
Channel x
Dut y-Cycle
Pe r i o d
Update
Clock
Se l e c t o r
Channel x
OCx
DTOHx
DTOLx
OOOHx
PWMHx
PWMLx
OOOLx
MUX
SYN C x
PWM Controller
MCK
Channel 0
OC0
DTOH0
DTOL0
OOOH0
PWMH0
PWML0
OOOL0
PWMHx
PWML
x
PWMH
0
PWML
0
PWMFI0
PWMFIx
Table 38-1. I/O Line Description
Name Description Type
PWMHx PWM Waveform Output High for channel x Output
PWMLx PWM Waveform Output Low for channel x Output
PWMFIx PWM Fault Input x Input