ATTINY25V-15ST Atmel, ATTINY25V-15ST Datasheet - Page 191

• 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

30. Table of Contents
7598H–AVR–07/09
1
2
3
4
5
6
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 2
About Code Examples ............................................................................. 5
AVR CPU Core .......................................................................................... 5
AVR ATtiny25/45/85 Memories ............................................................. 13
System Clock and Clock Options ......................................................... 21
2.1
2.2
2.3
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5.1
5.2
5.3
5.4
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
Block Diagram ...................................................................................................3
Automotive Quality Grade .................................................................................4
Pin Descriptions .................................................................................................5
Introduction ........................................................................................................5
Architectural Overview .......................................................................................6
ALU – Arithmetic Logic Unit ...............................................................................7
Status Register ..................................................................................................7
General Purpose Register File ..........................................................................9
Stack Pointer ...................................................................................................10
Instruction Execution Timing ...........................................................................11
Reset and Interrupt Handling ...........................................................................11
In-System Re-programmable Flash Program Memory ....................................13
SRAM Data Memory ........................................................................................14
EEPROM Data Memory ..................................................................................15
I/O Memory ......................................................................................................21
Clock Systems and their Distribution ...............................................................21
Clock Sources .................................................................................................23
Default Clock Source .......................................................................................24
Crystal Oscillator .............................................................................................24
Low-frequency Crystal Oscillator .....................................................................25
Calibrated Internal RC Oscillator .....................................................................26
External Clock .................................................................................................27
128 kHz Internal Oscillator ..............................................................................28
Clock Output Buffer .........................................................................................29
System Clock Prescaler ..................................................................................29
ATtiny25/45/85
191