AT90PWM81-16MF Atmel, AT90PWM81-16MF Datasheet - Page 114
AT90PWM81-16MF
Manufacturer Part Number
AT90PWM81-16MF
Description
IC MCU AVR 8K FLASH ISP 32QFN
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM81-16MN.pdf
(325 pages)
Specifications of AT90PWM81-16MF
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, PWM, WDT
Number Of I /o
20
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
256 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-MLF®, QFN
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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AT90PWM81
According to PSC n Input A Control Register (see Section “PSC n Input A Control Register – PFRCnA”,
page 140), PSC n input A can act as a Retrigger or Fault input.
Each part A or B can be triggered by up to four signals as defined per
12-19 on page 139
Part A of PSC has also a blanking module allowing to cancel unwanted transitions which may appear on
the PSC n input A during a certain period of time.
The blanking start is defined by the bits PASDLKn(2:0) as per
The blanking duration is defined by the register PASDLYn. If the blanking is selected by the correspond-
ing PASDLKn(2:0) bit, all transitions which may appears from the blanking start until a time period are
ignored.
Blanking is level sensitive, i.e. a pulse started in the blanking window and still at active level after the
window will generate a valid retriggering event.
Figure 12-14. PSC Input Module A
PSC input module B is shown on
According to PSC n Input B Control Register (see Section “PSC n Input B Control Register – PFRCnB”,
page 140), PSC n input B can act as a Retrigger or Fault input.
PSC start c ycle
OCR SB
OSR SA
AC2 O: Analog
Comparator
Output
PSCINnA
AC3 O: Analog
Comparator
Output
PSCINn
PAS DLKn(2:0)
PISELnA1
3
2
1
0
0
1
1
0
1
PISELnA0
0
1
PSC n Input A
PELE VnA /
Blanking S tart
=0, 4..7
No Blanking
Input
Blanking
PAS DLY
Table 12-15
PRFM nA3:0
Digital
Filter
CLK
PCAEnA
PSC
PAO CnA
PFLTEnA
0
1
CLK
4
PSC
Table 12-14 on page
Input
Proces sing
(retriggering ...)
PSC C o re
(Counter,
Wav eform
Generator, ...)
Table 12-18 on page 138
Output
Control
136.
PSCOUT n0
(PSCOUT n1)
(PSCOUT2
(PSCOUT2
7734P–AVR–08/10
and
Table
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