ATTINY861V-10SUR Atmel, ATTINY861V-10SUR Datasheet - Page 140
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ATTINY861V-10SUR
Manufacturer Part Number
ATTINY861V-10SUR
Description
IC MCU AVR 8K FLASH 10MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY861V-10SUR
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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14.2.2
14.2.3
140
ATtiny261/461/861
ACSRB – Analog Comparator Control and Status Register B
DIDR0 – Digital Input Disable Register 0
• Bits 1, 0 – ACIS1, ACIS0: Analog Comparator Interrupt Mode Select
These bits determine which comparator events that trigger the Analog Comparator interrupt. The
different settings are shown in
Table 14-2.
When changing the ACIS1/ACIS0 bits, the Analog Comparator Interrupt must be disabled by
clearing its Interrupt Enable bit in the ACSR Register. Otherwise an interrupt can occur when the
bits are changed.
• Bit 7 – HSEL: Hysteresis Select
When this bit is written logic one, the hysteresis of the Analog Comparator is switched on. The
hysteresis level is selected by the HLEV bit.
• Bit 6 – HLEV: Hysteresis Level
When the hysteresis is enabled by the HSEL bit, the Hysteresis Level, HLEV, bit selects the hys-
teresis level that is either 20mV (HLEV=0) or 50mV (HLEV=1).
• Bits 2:0 – ACM2:ACM0: Analog Comparator Multiplexer
The Analog Comparator multiplexer bits select the positive and negative input pins of the Analog
Comparator. The different settings are shown in
• Bits 7:4,2:0 – ADC6D:ADC0D: ADC6:0 Digital Input Disable
When this bit is written logic one, the digital input buffer on the corresponding ADC pin is dis-
abled. The corresponding PIN register bit will always read as zero when this bit is set. When an
analog signal is applied to the ADC7:0 pin and the digital input from this pin is not needed, this
bit should be written logic one to reduce power consumption in the digital input buffer.
• Bit 3 – AREFD: AREF Digital Input Disable
When this bit is written logic one, the digital input buffer on the AREF pin is disabled. The corre-
sponding PIN register bit will always read as zero when this bit is set. When an analog signal is
Bit
0x09 (0x29)
Read/Write
Initial Value
Bit
0x01 (0x21)
Read/Write
Initial Value
ACIS1
0
0
1
1
ACIS1/ACIS0 Settings
7
ADC6D
R/W
0
HSEL
R/W
7
0
ACIS0
0
1
0
1
6
ADC5D
R/W
0
HLEV
R/W
6
0
Interrupt Mode
Comparator Interrupt on Output Toggle.
Reserved
Comparator Interrupt on Falling Output Edge.
Comparator Interrupt on Rising Output Edge.
Table
5
ADC4D
R/W
0
N/A
R
5
-
14-2.
4
ADC3D
R/W
0
R
4
0
-
Table
3
AREFD
R/W
0
R
3
0
-
14-1.
2
ADC2D
R/W
0
ACM2
R/W
2
0
1
ADC1D
R/W
0
ACM1
R/W
1
0
0
ADC0D
0
R/W
ACM0
R/W
0
0
2588E–AVR–08/10
DIDR0
ACSRB
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