Atmel ATtiny26 Manuals

Atmel ATtiny26 Manuals

Manuals and User Guides for Atmel ATtiny26. We have 1 Atmel ATtiny26 manual available for free PDF download: Manual

Atmel ATtiny26 Manual

Atmel ATtiny26 Manual (182 pages)

8-bit AVR Microcontroller with 2K Bytes Flash

Brand: Atmel | Category: Microcontrollers | Size: 1 MB

Table of Contents

Table of Contents Features

1
Pin Configuration

2
Description

3
- Block Diagram
  4
- Pin Descriptions
  5
About Code Examples

5
AVR CPU Core

6
Memories

15
- In-System Programmable Flash Program Memory
  16
- SRAM Data Memory
  16
- EEPROM Data Memory
  17
- I/O Memory
  20
System Clock and Clock Options

22
- Clock Systems and Their Distribution
  22
- Clock Sources
  24
- Default Clock Source
  25
- Crystal Oscillator
  25
- Low-Frequency Crystal Oscillator
  26
- External RC Oscillator
  27
- Calibrated Internal RC Oscillator
  28
- External Clock
  29
- High Frequency PLL Clock - PLLCLK
  30
System Control and Reset

31
- Power-On Reset
  32
- External Reset
  33
- Brown-Out Detection
  34
- Watchdog Reset
  34
- MCU Status Register - MCUSR
  35
Power Management and Sleep Modes

36
- MCU Control Register - MCUCR
  36
- Idle Mode
  37
- ADC Noise Reduction Mode
  37
- Power-Down Mode
  37
- Standby Mode
  38
- Minimizing Power Consumption
  39
I/O Ports

41
- Introduction
  41
- Ports as General Digital I/O
  42
- Alternate Port Functions
  46
- Register Description for I/O Ports
  56
Interrupts

57
- Interrupt Vectors
  57
- Interrupt Handling
  58
External Interrupt

62
- Pin Change Interrupt
  62
Timer/Counters

64
- Timer/Counter0 Prescaler
  64
- Timer/Counter1 Prescaler
  65
- 8-Bit Timer/Counter0
  65
- 8-Bit Timer/Counter1
  67
Watchdog Timer

78
Universal Serial Interface - USI

80
- Overview
  80
- Register Descriptions
  81
- Functional Descriptions
  85
- Alternative USI Usage
  90
Analog Comparator

91
Analog to Digital Converter

94
- Features
  94
- Operation
  95
- Prescaling and Conversion Timing
  96
- Changing Channel or Reference Selection
  98
- ADC Noise Canceler Function
  99
- ADC Conversion Result
  99
- Scanning Multiple Channels
  105
- ADC Noise Canceling Techniques
  105
- Offset Compensation Schemes
  105
Memory Programming

107
- Program and Data Memory Lock Bits
  107
- Fuse Bits
  108
- Signature Bytes
  109
- Calibration Byte
  109
- Page Size
  109
- Parallel Programming Parameters, Pin Mapping, and Commands
  109
- Parallel Programming
  112
- Serial Downloading
  121
- Serial Programming Pin Mapping
  121
Electrical Characteristics

126
- Absolute Maximum Ratings
  126
- DC Characteristics
  126
- External Clock Drive Waveforms
  128
- External Clock Drive
  128
- ADC Characteristics
  129
Attiny26 Typical Characteristics

131
Register Summary

168
Instruction Set Summary

169
Ordering Information

171
Packaging Information

172
- 20P3
  172
- 173
  173
- 32M1-A
  174
Errata

175
- Attiny26, All Revisions
  175
Datasheet Revision History

176

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