ATTINY461A-SU Atmel, ATTINY461A-SU Datasheet - Page 48
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ATTINY461A-SU
Manufacturer Part Number
ATTINY461A-SU
Description
IC MCU AVR 4K FLASH 20MHZ 20SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY461A-SU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
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
20-SOIC (7.5mm Width)
Controller Family/series
ATtiny
No. Of I/o's
16
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
20MHz
Rohs Compliant
Yes
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY461A-SU
Manufacturer:
FSC
Quantity:
30 000
Part Number:
ATTINY461A-SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATTINY461A-SUR
Manufacturer:
HITTIE
Quantity:
2 140
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9. Interrupts
9.1
48
Interrupt Vectors
ATtiny261A/461A/861A
T h i s s e c t i o n d e s c r i b e s t h e s p e c i f i c s o f t h e i n t e r r u p t h a n d l i n g a s p e r f o r m e d i n
ATtiny261A/461A/861A. For a general explanation of the AVR interrupt handling, refer to
and Interrupt Handling” on page
Interrupt vectors of ATtiny261A/461A/861A are described in
Table 9-1.
If the program never enables an interrupt source, the Interrupt Vectors are not used, and regular
program code can be placed at these locations.
The most typical and general program setup for the Reset and Interrupt Vector Addresses in
ATtiny261A/461A/861A is shown in the following program example.
Vector
No.
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
Program
Address
Reset and Interrupt Vectors
0x000C
0x000D
0x000A
0x000B
0x000E
0x000F
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
0x0007
0x0008
0x0009
0x0010
0x0011
0x0012
Source
RESET
INT0
PCINT
TIMER1_COMPA
TIMER1_COMPB
TIMER1_OVF
TIMER0_OVF
USI_START
USI_OVF
EE_RDY
A
ADC
WDT
INT1
TIMER0_COMPA
TIMER0_COMPB
TIMER0_CAPT
TIMER1_COMPD
FAULT_PROTECTION
NA_COMP
13.
Interrupt Definition
External Pin, Power-on Reset,
Brown-out Reset, Watchdog Reset
External Interrupt Request 0
Pin Change Interrupt Request
Timer/Counter1 Compare Match A
Timer/Counter1 Compare Match B
Timer/Counter1 Overflow
Timer/Counter0 Overflow
USI Start
USI Overflow
EEPROM Ready
Analog Comparator
ADC Conversion Complete
Watchdog Time-out
External Interrupt Request 1
Timer/Counter0 Compare Match A
Timer/Counter0 Compare Match B
Timer/Counter1 Capture Event
Timer/Counter1 Compare Match D
Timer/Counter1 Fault Protection
Table 9-1
below.
8197B–AVR–01/10
“Reset
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