ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 856
ATSAM3S4AA-MU
Manufacturer Part Number
ATSAM3S4AA-MU
Description
IC MCU 32BIT 256KB FLASH 48QFN
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4AA-MU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 8x10/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATSAM3S4AA-MU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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36.6.2.5
856
SAM3S Preliminary
Output Override
The two complementary outputs DTOHx and DTOLx of the dead-time generator can be forced
to a value defined by the software.
Figure 36-8. Override Output Selection
The fields OSHx and OSLx in the
puts of the dead-time generator DTOHx and DTOLx to be overridden by the value defined in the
fields OOVHx and OOVLx in
The set registers
Register”
regardless of other channels. In the same way, the clear registers
Register”
PWM_OSCUPD) disable the override of the outputs of a channel regardless of other channels.
By using buffer registers PWM_OSSUPD and PWM_OSCUPD, the output selection of PWM
outputs is done synchronously to the channel counter, at the beginning of the next PWM period.
By using registers PWM_OSS and PWM_OSC, the output selection of PWM outputs is done
asynchronously to the channel counter, as soon as the register is written.
The value of the current output selection can be read in PWM_OS.
While overriding PWM outputs, the channel counters continue to run, only the PWM outputs are
forced to user defined values.
(PWM_OSS and PWM_OSSUPD) enable the override of the outputs of a channel
and
“PWM Output Selection Set Register”
“PWM Output Selection Clear Update Register”
the“PWM Output Override Value Register”
“PWM Output Selection Register”
DTOHx
OOVHx
DTOLx
OOVLx
OSHx
OSLx
0
1
0
1
OOOHx
OOOLx
and
“PWM Output Selection Set Update
“PWM Output Selection Clear
(PWM_OS) allow the out-
(PWM_OOV).
(PWM_OSC and
6500C–ATARM–8-Feb-11
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