ATTINY40-MMHR Atmel, ATTINY40-MMHR Datasheet - Page 213

• Manufacturer Part Number: ATTINY40-MMHR
• Description: MCU AVR 4KB FLASH 12MHZ 3X3 QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY40-MMHR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

8263A–AVR–08/10
13 Timer/Counter Prescaler ....................................................................... 98
14 Analog Comparator ............................................................................. 101
15 Analog to Digital Converter ................................................................ 105
16 SPI – Serial Peripheral Interface ......................................................... 122
17 TWI – Two Wire Slave Interface .......................................................... 131
12.6
12.7
12.8
12.9
12.10
13.1
13.2
13.3
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
16.4
16.5
17.1
Output Compare Unit .......................................................................................87
Modes of Operation .........................................................................................87
Timer/Counter Timing Diagrams .....................................................................89
Accessing Registers in 16-bit Mode ................................................................90
Register Description ........................................................................................94
Prescaler Reset ...............................................................................................98
External Clock Source .....................................................................................98
Register Description ......................................................................................100
Analog Comparator Multiplexed Input ...........................................................102
Register Description ......................................................................................102
Features ........................................................................................................105
Overview ........................................................................................................105
Operation .......................................................................................................106
Starting a Conversion ....................................................................................107
Prescaling and Conversion Timing ................................................................108
Changing Channel or Reference Selection ...................................................111
ADC Noise Canceler .....................................................................................112
Analog Input Circuitry ....................................................................................112
Noise Canceling Techniques .........................................................................113
ADC Accuracy Definitions .............................................................................113
ADC Conversion Result .................................................................................116
Temperature Measurement ...........................................................................116
Register Description ......................................................................................117
Features ........................................................................................................122
Overview ........................................................................................................122
SS Pin Functionality ......................................................................................126
Data Modes ...................................................................................................127
Register Description ......................................................................................128
Features ........................................................................................................131
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