AT90PWM3B-16SUR Atmel, AT90PWM3B-16SUR Datasheet - Page 130
AT90PWM3B-16SUR
Manufacturer Part Number
AT90PWM3B-16SUR
Description
MCU AVR 8K FLASH 16MHA 32SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM3B-16SU.pdf
(361 pages)
Specifications of AT90PWM3B-16SUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
27
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 11x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PSC Description
AT90PWM2/3/2B/3B
Figure 16-1. Power Stage Controller 0 or 1 Block Diagram
Note:
The principle of the PSC is based on the use of a counter (PSC counter). This counter is able to
count up and count down from and to values stored in registers according to the selected run-
ning mode.
The PSC is seen as two symetrical entities. One part named part A which generates the output
PSCOUTn0 and the second one named part B which generates the PSCOUTn1 output.
Each part A or B has its own PSC Input Module to manage selected input.
n = 0, 1
PCTLn
OCRnRB
OCRnSB
OCRnRA
PICRn
PSC Counter
PCNFn
OCRnSA
=
=
=
=
PFRCnA
PFRCnB
Part B
Part A
Generator B
PSC Input
Module B
PSC Input
Module A
Generator A
Waveform
Waveform
PSCn Input B
PSCn Input A
PSOCn
POM2(PSC2 only)
PISELnB
PISELnA
Comparator n Ouput )
( From Analog
PSCOUTn1
PSCINn
PSCOUTn0
4317J–AVR–08/10
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