ATTINY25V-15ST Atmel, ATTINY25V-15ST Datasheet - Page 192

• Manufacturer Part Number: ATTINY25V-15ST
• Description: MCU AVR 2K FLASH 4MHZ 8-SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY25V-15ST

• Package / Case: 8-SOIC (3.9mm Width)
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 8MHz
• Number Of I /o: 6
• Eeprom Size: 128 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Program Memory Size: 2KB (2K x 8)
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: USI
• Core Size: 8-Bit
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

192
ATtiny25/45/85
7
8
9
10 I/O Ports .................................................................................................. 46
11 External Interrupts ................................................................................. 58
12 8-bit Timer/Counter0 with PWM ............................................................ 61
Power Management and Sleep Modes ................................................. 31
System Control and Reset .................................................................... 35
Interrupts ................................................................................................ 45
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
9.1
10.1
10.2
10.3
10.4
11.1
11.2
11.3
11.4
12.1
12.2
MCU Control Register – MCUCR ....................................................................31
Idle Mode .........................................................................................................32
ADC Noise Reduction Mode ............................................................................32
Power-down Mode ...........................................................................................32
Limitations .......................................................................................................33
Power Reduction Register ...............................................................................33
Minimizing Power Consumption ......................................................................34
Resetting the AVR ...........................................................................................35
Reset Sources .................................................................................................35
Power-on Reset ...............................................................................................36
External Reset .................................................................................................37
Brown-out Detection ........................................................................................38
Watchdog Reset ..............................................................................................39
MCU Status Register – MCUSR ......................................................................40
Internal Voltage Reference ..............................................................................40
Watchdog Timer ..............................................................................................41
Timed Sequences for Changing the Configuration of the Watchdog Timer ....44
Interrupt Vectors in ATtiny25/45/85 .................................................................45
Introduction ......................................................................................................46
Ports as General Digital I/O .............................................................................47
Alternate Port Functions ..................................................................................52
Register Description for I/O-Ports ....................................................................58
MCU Control Register – MCUCR ....................................................................59
General Interrupt Mask Register – GIMSK ......................................................59
General Interrupt Flag Register – GIFR ..........................................................60
Pin Change Mask Register – PCMSK .............................................................60
Overview ..........................................................................................................61
Timer/Counter Clock Sources .........................................................................62
7598H–AVR–07/09