AT90PWM1-16MU Atmel, AT90PWM1-16MU Datasheet - Page 152
AT90PWM1-16MU
Manufacturer Part Number
AT90PWM1-16MU
Description
IC AVR PWM 8KB FLASH 16MHZ 32QFN
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM1-16SU.pdf
(297 pages)
Specifications of AT90PWM1-16MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
19
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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16.20 Analog Synchronization
16.21 Interrupt Handling
16.22 PSC Synchronization
152
AT90PWM1
PSC generates a signal to synchronize the sample and hold; synchronisation is mandatory for
measurements.
This signal can be selected between all falling or rising edge of PSCn0 or PSCn1 outputs.
In center aligned mode, OCRnRAH/L is not used, so it can be used to specified the synchroniza-
tion of the ADC. It this case, it’s minimum value is 1.
As each PSC can be dedicated for one function, each PSC has its own interrupt system (vector
...)
List of interrupt sources:
•
•
•
2 or 3 PSC can be synchronized together. In this case, two waveform alignments are possible:
•
•
Figure 16-38. PSC Run Synchronization
Counter reload (end of On Time 1)
PSC Input event (active edge or at the beginning of level configured event)
PSC Mutual Synchronization Error
The waveforms are center aligned in the Center Aligned mode if master and slaves are all
with the same PSC period (which is the natural use).
The waveforms are edge aligned in the 1, 2 or 4 ramp mode
4378C–AVR–09/08
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