ATtiny25 Automotive Atmel Corporation, ATtiny25 Automotive Datasheet - Page 193

• Manufacturer Part Number: ATtiny25 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATtiny25 Automotive

• Flash (kbytes): 2 Kbytes
• Pin Count: 8
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 4
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 6
• Ext Interrupts: 6
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 5
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

7598H–AVR–07/09
13 Timer/Counter Prescaler ....................................................................... 78
14 Counter and Compare Units ................................................................. 81
15 Dead Time Generator ............................................................................. 93
16 Universal Serial Interface – USI ............................................................ 96
17 Analog Comparator ............................................................................. 108
18 Analog to Digital Converter ................................................................ 111
19 debugWIRE On-chip Debug System .................................................. 128
12.3
12.4
12.5
12.6
12.7
12.8
13.1
13.2
14.1
15.1
15.2
15.3
16.1
16.2
16.3
16.4
17.1
17.2
17.3
18.1
18.2
18.3
18.4
18.5
18.6
18.7
19.1
Counter Unit ....................................................................................................62
Output Compare Unit .......................................................................................63
Compare Match Output Unit ............................................................................65
Modes of Operation .........................................................................................66
Timer/Counter Timing Diagrams .....................................................................70
8-bit Timer/Counter Register Description ........................................................72
Prescaler Reset ...............................................................................................78
External Clock Source .....................................................................................79
Timer/Counter1 ................................................................................................81
Timer/Counter1 Dead Time Prescaler register 1 - DTPS1 ..............................94
Timer/Counter1 Dead Time A - DT1A .............................................................95
Timer/Counter1 Dead Time B - DT1B .............................................................95
Overview ..........................................................................................................96
Functional Descriptions ...................................................................................97
Alternative USI Usage ...................................................................................103
USI Register Descriptions .............................................................................103
ADC Control and Status Register B – ADCSRB ...........................................108
Analog Comparator Control and Status Register – ACSR ............................108
Analog Comparator Multiplexed Input ...........................................................110
Features ........................................................................................................111
Operation .......................................................................................................112
Starting a Conversion ....................................................................................113
Prescaling and Conversion Timing ................................................................114
Changing Channel or Reference Selection ...................................................117
ADC Noise Canceler .....................................................................................118
ADC Conversion Result .................................................................................121
Features ........................................................................................................128
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