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AT90PWM2B
Atmel AT90PWM2B Manuals
Manuals and User Guides for Atmel AT90PWM2B. We have
1
Atmel AT90PWM2B manual available for free PDF download: Manual
Atmel AT90PWM2B Manual (361 pages)
8-bit AVR Microcontroller with 8K Bytes In-System Programmable Flash
Brand:
Atmel
| Category:
Microcontrollers
| Size: 4.9 MB
Table of Contents
1 History
2
2 Disclaimer
2
3 Pin Configurations
3
Pin Descriptions
4
4 Overview
6
Block Diagram
7
Pin Descriptions
8
About Code Examples
9
5 AVR CPU Core
10
Introduction
10
Architectural Overview
10
ALU - Arithmetic Logic Unit
11
Status Register
12
General Purpose Register File
13
Stack Pointer
14
Instruction Execution Timing
14
Reset and Interrupt Handling
15
6 Memories
18
In-System Reprogrammable Flash Program Memory
18
SRAM Data Memory
18
EEPROM Data Memory
20
I/O Memory
26
General Purpose I/O Registers
26
7 System Clock
28
Clock Systems and Their Distribution
28
Clock Sources
30
Default Clock Source
31
Low Power Crystal Oscillator
31
Calibrated Internal RC Oscillator
32
Pll
34
128 Khz Internal Oscillator
36
External Clock
36
Clock Output Buffer
37
System Clock Prescaler
37
8 Power Management and Sleep Modes
40
Idle Mode
41
ADC Noise Reduction Mode
41
Power-Down Mode
41
Standby Mode
41
Power Reduction Register
42
Minimizing Power Consumption
43
9 System Control and Reset
45
Internal Voltage Reference
50
Watchdog Timer
51
10 Interrupts
56
Interrupt Vectors in AT90PWM2/2B/3/3B
56
11 O-Ports
61
Introduction
61
Ports as General Digital I/O
62
Alternate Port Functions
66
Register Description for I/O-Ports
77
12 External Interrupts
80
13 Timer/Counter0 and Timer/Counter1 Prescalers
82
14 8-Bit Timer/Counter0 with PWM
85
Overview
85
Timer/Counter Clock Sources
86
Counter Unit
86
Output Compare Unit
87
Compare Match Output Unit
89
Modes of Operation
90
Timer/Counter Timing Diagrams
94
8-Bit Timer/Counter Register Description
95
16 Bit Timer/Counter1 with PWM
102
Overview
102
Accessing 16-Bit Registers
104
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