ATtiny461A Atmel Corporation, ATtiny461A Datasheet - Page 293

• Manufacturer Part Number: ATtiny461A
• Manufacturer: Atmel Corporation

Specifications of ATtiny461A

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 16
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

8197C–AVR–05/11
13 USI – Universal Serial Interface .......................................................... 124
14 AC – Analog Comparator .................................................................... 136
15 ADC – Analog to Digital Converter ..................................................... 141
16 debugWIRE On-chip Debug System .................................................. 161
12.5
12.6
12.7
12.8
12.9
12.10
12.11
12.12
13.1
13.2
13.3
13.4
13.5
14.1
14.2
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
15.10
15.11
15.12
15.13
16.1
16.2
16.3
Output Compare Unit .......................................................................................93
Dead Time Generator ......................................................................................95
Compare Match Output Unit ............................................................................96
Modes of Operation .........................................................................................98
Timer/Counter Timing Diagrams ...................................................................105
Fault Protection Unit ......................................................................................106
Accessing 10-Bit Registers ............................................................................107
Register Description ......................................................................................111
Features ........................................................................................................124
Overview ........................................................................................................124
Functional Descriptions .................................................................................125
Alternative USI Usage ...................................................................................130
Register Descriptions ....................................................................................131
Analog Comparator Multiplexed Input ...........................................................136
Register Description ......................................................................................138
Features ........................................................................................................141
Overview ........................................................................................................141
Operation .......................................................................................................142
Starting a Conversion ....................................................................................143
Prescaling and Conversion Timing ................................................................144
Changing Channel or Reference Selection ...................................................147
ADC Noise Canceler .....................................................................................148
Analog Input Circuitry ....................................................................................148
Noise Canceling Techniques .........................................................................149
ADC Accuracy Definitions .............................................................................149
ADC Conversion Result .................................................................................152
Temperature Measurement ...........................................................................153
Register Description ......................................................................................154
Features ........................................................................................................161
Overview ........................................................................................................161
Physical Interface ..........................................................................................161
ATtiny261A/461A/861A
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