AT90PWM81-16SF Atmel, AT90PWM81-16SF Datasheet - Page 200
AT90PWM81-16SF
Manufacturer Part Number
AT90PWM81-16SF
Description
IC MCU AVR 8K FLASH ISP 20SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet
1.AT90PWM81-16MN.pdf
(325 pages)
Specifications of AT90PWM81-16SF
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, PWM, WDT
Number Of I /o
16
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 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
20-SOIC (7.5mm Width)
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
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Part Number:
AT90PWM81-16SF
Manufacturer:
Atmel
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16.4.4
200
AT90PWM81
Analog Comparator n Extended Control Register – ACnECON
Bit
Read/Write
Initial Value
• Bit 7..6– Reserved
• Bit 5– AC1OI: Analog Comparator n Output Invert
Set this bit to invert the analog comparator n output .
Clear this bit to keep the analog comparator n output .
• Bit 4– AC1OE: Analog Comparator n Output Enable
Set this bit to enable the analog comparator n output pin.
Clear this bit to disable the analog comparator n output pin.
• Bit 3 – AC1ICE: Analog Comparator 1 Interrupt Capture Enable bit
Set this bit to enable the input capture of the Timer/Counter1 on the analog comparator event. The com-
parator output is in this case directly connected to the input capture front-end logic, making the
comparator utilize the noise canceler and edge select features of the Timer/Counter1 Input Capture inter-
rupt. To make the comparator trigger the Timer/Counter1 Input Capture interrupt, the ICIE1 bit in the
Timer Interrupt Mask Register (TIMSK1) must be set.
In case ICES1 bit
edge of AC3O is the capture/trigger event of the Timer/Counter1, in case ICES1 is set to zero, it is the
falling edge which is taken into account.
Clear this bit to disable this function. In this case, no connection between the Analog Comparator and the
input capture function exists
• Bit 2, 1, 0– ACnH2, ACnH1, ACnH0: Analog Comparator n Hysteresis select
These 3 bits determine the hysteresis value of the analog comparator
The different setting are shown in
Table 16-7.
AC1M2
0
0
0
0
1
1
1
1
7
0
Analog Comparator n Hysteresis selection
AC1M1
0
0
1
1
0
0
1
1
(“Timer/Counter1 Control Register B – TCCR1B” on page
6
0
AC1M0
0
1
0
1
0
1
0
1
Table
R/W
5
ACnOI
0
16-7.
4
ACnOE
R/W
0
No Hysteresis
Hysteresis + 25 mV
Hysteresis - 25 mV
Hysteresis +- 25 mV
Description
Hysteresis + 10 mV
Hysteresis - 10 mV
Hysteresis +- 10 mV
Reserved
3
AC1ICE
R/W
0
2
ACnH2
R/W
0
R/W
1
ACnH1
0
96) is set high, the rising
0
R/W
0
ACnH0
7734P–AVR–08/10
ACnECON
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