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ATmega8A Data Sheet
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29
MEMPROG- Memory Programming
29.7
Parallel Programming
Introduction
Features
1
Description
2
Configuration Summary
3
Ordering Information
4
Block Diagram
5
Pin Configurations
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/Counter
0
20
Timer/Counter
0
and Timer/Counter1 Prescalers
21
16-bit Timer/Counter1
22
8-bit Timer/Counter
2
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
29.1
Program and Data Memory Lock Bits
29.2
Fuse Bits
29.3
Signature Bytes
29.4
Calibration Byte
29.5
Page Size
29.6
Parallel Programming Parameters, Pin Mapping, and Commands
29.7
Parallel Programming
29.7.1
Enter Programming Mode
29.7.2
Considerations for Efficient Programming
29.7.3
Chip Erase
29.7.4
Programming the Flash
29.7.5
Programming the EEPROM
29.7.6
Reading the Flash
29.7.7
Reading the EEPROM
29.7.8
Programming the Fuse Low Bits
29.7.9
Programming the Fuse High Bits
29.7.10
Programming the Lock Bits
29.7.11
Reading the Fuse and Lock Bits
29.7.12
Reading the Signature Bytes
29.7.13
Reading the Calibration Byte
29.7.14
Parallel Programming Characteristics
29.8
Serial Downloading
29.9
Serial Programming Pin Mapping
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
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29.7 Parallel Programming
