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ATmega8A Data Sheet

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5 Pin Configurations

Introduction
Features
1 Description
2 Configuration Summary
3 Ordering Information
4 Block Diagram
5 Pin Configurations
- 5.1 Pin Descriptions
- 5.2 Accessing 16-bit Registers
6 I/O Multiplexing
7 Resources
8 Data Retention
9 About Code Examples
10 Capacitive Touch Sensing
11 AVR CPU Core
12 AVR Memories
13 System Clock and Clock Options
14 Power Management and Sleep Modes
15 System Control and Reset
16 Interrupts
17 External Interrupts
18 I/O Ports
19 8-bit Timer/Counter0
20 Timer/Counter0 and Timer/Counter1 Prescalers
21 16-bit Timer/Counter1
22 8-bit Timer/Counter2 with PWM and Asynchronous Operation
23 SPI – Serial Peripheral Interface
24 USART - Universal Synchronous and Asynchronous serial Receiver and Transmitter
25 TWI - Two-wire Serial Interface
26 AC - Analog Comparator
27 ADC - Analog to Digital Converter
28 BTLDR - Boot Loader Support – Read-While-Write Self-Programming
29 MEMPROG- Memory Programming
30 Electrical Characteristics – TA = -40°C to 85°C
31 Electrical Characteristics – TA = -40°C to 105°C
32 Typical Characteristics – TA = -40°C to 85°C
33 Typical Characteristics – TA = -40°C to 105°C
34 Register Summary
35 Instruction Set Summary
36 Packaging Information
37 Errata
38 Appendix A: Revision History
The Microchip Web Site
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Customer Support
Microchip Devices Code Protection Feature
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5 Pin Configurations

Figure 5-1. PDIP

Figure 5-2. TQFP Top View

Figure 5-3. MLF Top View

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.

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