AT90PWM81-16SF Atmel, AT90PWM81-16SF Datasheet - Page 198
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90PWM81-16SF
Manufacturer:
Atmel
Quantity:
2 428
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16.4.2
198
AT90PWM81
Analog Comparator 2 Control Register – AC2CON
Bit
Read/Write
Initial Value
• Bit 7– AC2EN: Analog Comparator 2 Enable Bit
Set this bit to enable the analog comparator 2.
Clear this bit to disable the analog comparator 2.
• Bit 6– AC2IE: Analog Comparator 2 Interrupt Enable bit
Set this bit to enable the analog comparator 2 interrupt.
Clear this bit to disable the analog comparator 2 interrupt.
• Bit 5, 4– AC2IS1, AC2IS0: Analog Comparator 2 Interrupt Select bit
These 2 bits determine the sensitivity of the interrupt trigger.
The different setting are shown in
Table 16-3.
• Bit 3– Reserved
• Bit 2, 1, 0– AC2M2, AC2M1, AC2M0: Analog Comparator 2 Multiplexer register
These 3 bits determine the input of the negative input of the analog comparator.
The different setting are shown in
Table 16-4.
AC2IS1
0
0
1
1
AC2M2
0
0
0
0
1
1
1
1
7
AC2EN
R/W
0
Interrupt sensitivity selection
Analog Comparator 2 negative input selection
AC2IS0
0
1
0
1
AC2M1
0
0
1
1
0
0
1
1
6
AC2IE
R/W
0
Description
Comparator Interrupt on output toggle
Reserved
Comparator interrupt on output falling edge
Comparator interrupt on output rising edge
AC2M0
0
1
0
1
0
1
0
1
Table
Table
5
AC2IS1
R/W
0
16-3.
16-4.
4
AC2IS0
R/W
0
“Vref”/6.40
“Vref”/3.20
“Vref”/2.13
“Vref”/1.60
Band Gap voltage
DAC result
Analog Comparator Negative Input (ACMPM2 pin)
Analog Comparator Negative Input (ACMPM pin)
Description
3
-
-R
0
2
AC2M2
R/W
0
R/W
1
AC2M1
0
0
AC2M0
R/W
0
7734P–AVR–08/10
AC2CON
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