ATTINY40-MMHR Atmel, ATTINY40-MMHR Datasheet - Page 212

• 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: -

ii
ATtiny40
8
9
10 I/O Ports .................................................................................................. 46
11 Timer/Counter0 ...................................................................................... 65
12 Timer/Counter1 ...................................................................................... 83
System Control and Reset .................................................................... 32
Interrupts ................................................................................................ 40
7.3
7.4
7.5
8.1
8.2
8.3
8.4
8.5
9.1
9.2
9.3
10.1
10.2
10.3
10.4
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
12.1
12.2
12.3
12.4
12.5
Power Reduction Register ...............................................................................28
Minimizing Power Consumption ......................................................................29
Register Description ........................................................................................30
Resetting the AVR ...........................................................................................32
Reset Sources .................................................................................................32
Internal Voltage Reference ..............................................................................35
Watchdog Timer ..............................................................................................35
Register Description ........................................................................................37
Interrupt Vectors ..............................................................................................40
External Interrupts ...........................................................................................41
Register Description ........................................................................................43
Overview ..........................................................................................................46
Ports as General Digital I/O .............................................................................47
Alternate Port Functions ..................................................................................52
Register Description ........................................................................................62
Features ..........................................................................................................65
Overview ..........................................................................................................65
Clock Sources .................................................................................................66
Counter Unit ....................................................................................................66
Output Compare Unit .......................................................................................67
Compare Match Output Unit ............................................................................69
Modes of Operation .........................................................................................70
Timer/Counter Timing Diagrams .....................................................................74
Register Description ........................................................................................76
Features ..........................................................................................................83
Overview ..........................................................................................................83
Clock Sources .................................................................................................84
Counter Unit ....................................................................................................84
Input Capture Unit ...........................................................................................85
8263A–AVR–08/10