ATTINY43U-SUR Atmel, ATTINY43U-SUR Datasheet - Page 179

• Manufacturer Part Number: ATTINY43U-SUR
• Description: MCU AVR 4KB FLASH 8MHZ 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY43U-SUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8048B–AVR–03/09
12 8-bit Timer/Counter with PWM (Timer/Counter0 and Timer/Counter1) .
13 Timer/Counter Prescaler ....................................................................... 98
14 USI – Universal Serial Interface .......................................................... 100
15 Analog Comparator ............................................................................. 112
16 Analog to Digital Converter ................................................................ 115
79
11.4
12.1
12.2
12.3
12.4
12.5
12.6
12.7
12.8
12.9
13.1
13.2
13.3
14.1
14.2
14.3
14.4
14.5
15.1
15.2
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
Register Description ........................................................................................78
Features ..........................................................................................................79
Overview ..........................................................................................................79
Timer/Counter Clock Sources .........................................................................80
Counter Unit ....................................................................................................80
Output Compare Unit .......................................................................................81
Compare Match Output Unit ............................................................................83
Modes of Operation .........................................................................................84
Timer/Counter Timing Diagrams .....................................................................88
Register Description ........................................................................................90
Prescaler Reset ...............................................................................................98
External Clock Source .....................................................................................98
Register Description ........................................................................................99
Features ........................................................................................................100
Overview ........................................................................................................100
Functional Descriptions .................................................................................101
Alternative USI Usage ...................................................................................107
Register Descriptions ....................................................................................107
Analog Comparator Multiplexed Input ...........................................................112
Register Description ......................................................................................113
Features ........................................................................................................115
Overview ........................................................................................................115
ADC Operation ..............................................................................................116
Starting a Conversion ....................................................................................116
Prescaling and Conversion Timing ................................................................117
Changing Channel or Reference Selection ...................................................120
ADC Noise Canceler .....................................................................................121
Analog Input Circuitry ....................................................................................122
Analog Noise Canceling Techniques .............................................................122
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