ATTINY461A-SU Atmel, ATTINY461A-SU Datasheet - Page 66
![IC MCU AVR 4K FLASH 20MHZ 20SOIC](/photos/6/80/68042/453-20-soic_sml.jpg)
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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66
ATtiny261A/461A/861A
• Port B, Bit 0 - MOSI/ DI/ SDA/ OC1A/ PCINT8
Table 10-7
shown in
Table 10-7.
Note:
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
• DO: Three-wire mode Universal Serial Interface Data output. Three-wire mode Data output
• OC1A: Output Compare Match output: The PB1 pin can serve as an external output for the
• PCINT9: Pin Change Interrupt source 9.
• DI: Data Input in USI Three-wire mode. USI Three-wire mode does not override normal port
• SDA: Two-wire mode Serial Interface Data.
• OC1A: Inverted Output Compare Match output: The PB0 pin can serve as an external output
• PCINT8: Pin Change Interrupt source 8.
overrides PORTB1 value and it is driven to the port when data direction bit DDB1 is set (one).
PORTB1 still enables the pull-up, if the direction is input and PORTB1 is set (one).
Timer/Counter1 Compare Match B when configured as an output (DDB1 set). The OC1A pin
is also the output pin for the PWM mode timer function.
functions, so pin must be configure as an input for DI function.
for the Timer/Counter1 Compare Match B when configured as an output (DDB0 set). The
OC1A pin is also the inverted output pin for the PWM mode timer function.
1. “1” when the Fuse is “0” (Programmed).
Figure 10-5 on page
PB7/RESET/
dW/ADC10/
PCINT15
RSTDISBL
DWEN
1
RSTDISBL
DWEN
debugWire Transmit
0
0
0
0
ADC10D
PCINT15
RESET / ADC10
and
Overriding Signals for Alternate Functions in PB7:PB4
Table 10-8
(1)
(1)
(1)
(1)
•
•
relate the alternate functions of Port B to the overriding signals
59.
PB6/ADC9/T0/
INT0/PCINT14
0
0
0
0
0
0
0
RSTDISBL + (PCINT5
• PCIE + ADC9D)
ADC9D
T0/INT0/PCINT14
ADC9
PB5/XTAL2/CLKO/
OC1D/ADC8/
PCINT13
INTRC • EXTCLK
0
INTRC • EXTCLK
0
OC1D Enable
OC1D
0
INTRC • EXTCLK +
PCINT4 • PCIE +
ADC8D
(INTRC • EXTCLK) +
ADC8D
PCINT13
XTAL2, ADC8
(1)
PB4/XTAL1/
OC1D/ADC7/
PCINT12
INTRC
0
INTRC
0
OC1D Enable
OC1D
0
INTRC + PCINT12 •
PCIE + ADC7D
INTRC • ADC7D
PCINT12
XTAL1, ADC7
8197B–AVR–01/10
(1)
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