ATTINY461V-10MU Atmel, ATTINY461V-10MU Datasheet - Page 139
ATTINY461V-10MU
Manufacturer Part Number
ATTINY461V-10MU
Description
IC MCU AVR 4K FLASH 10MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY461V-10MU
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
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 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
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
2-Wire, SPI, USI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Package
32MLF EP
Device Core
AVR
Family Name
ATtiny
Maximum Speed
10 MHz
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
ATTINY461V-10MUR
Manufacturer:
Atmel
Quantity:
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14.2
14.2.1
2588E–AVR–08/10
Register Description
ACSRA – Analog Comparator Control and Status Register A
• Bit 7 – ACD: Analog Comparator Disable
When this bit is written logic one, the power to the analog comparator is switched off. This bit
can be set at any time to turn off the analog comparator, thus reducing power consumption in
Active and Idle mode. When changing the ACD bit, the analog comparator Interrupt must be dis-
abled by clearing the ACIE bit in ACSRA. Otherwise an interrupt can occur when the bit is
changed.
• Bit 6 – ACBG: Analog Comparator Bandgap Select
When this bit is set an internal 1.1V reference voltage replaces the positive input to the analog
comparator. The selection of the internal voltage reference is done by writing the REFS2:0 bits
in ADCSRB and ADMUX registers. When this bit is cleared, AIN0, AIN1 or AIN2 depending on
the ACM2:0 bits is applied to the positive input of the analog comparator.
• Bit 5 – ACO: Analog Comparator Output
Enables output of analog comparator. The output of the analog comparator is synchronized and
then directly connected to ACO. The synchronization introduces a delay of 1 - 2 clock cycles.
• Bit 4 – ACI: Analog Comparator Interrupt Flag
This bit is set by hardware when a comparator output event triggers the interrupt mode defined
by ACIS1 and ACIS0. The analog comparator interrupt routine is executed if the ACIE bit is set
and the I-bit in SREG is set. ACI is cleared by hardware when executing the corresponding inter-
rupt handling vector. Alternatively, ACI is cleared by writing a logic one to the flag.
• Bit 3 – ACIE: Analog Comparator Interrupt Enable
When the ACIE bit is written logic one and the I-bit in the status register is set, the analog com-
parator interrupt is activated. When written logic zero, the interrupt is disabled.
• Bit 2 – ACME: Analog Comparator Multiplexer Enable
When this bit is written logic one and the ADC is switched off (ADEN in ADCSRA is zero), the
ADC multiplexer selects the negative input to the analog comparator. When this bit is written
logic zero, AIN1 is applied to the negative input of the analog comparator. For a detailed descrip-
tion of this bit, see
Bit
0x08 (0x28)
Read/Write
Initial Value
ACD
R/W
7
0
Table 14-1 on page
ACBG
R/W
6
0
ACO
N/A
R
5
137.
R/W
ACI
4
0
ACIE
R/W
3
0
ACME
R/W
2
0
ACIS1
R/W
1
0
ACIS0
R/W
0
0
ACSRA
139
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