AT90PWM216-16SE ATMEL [ATMEL Corporation], AT90PWM216-16SE Datasheet - Page 353

• Manufacturer Part Number: AT90PWM216-16SE
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable flash
• Manufacturer: ATMEL [ATMEL Corporation]

34. Table of Contents
7710D–AVR–08/09
1
2
3
4
5
6
7
History ....................................................................................................... 2
Disclaimer ................................................................................................. 2
Pin Configurations ................................................................................... 3
Overview ................................................................................................... 6
AVR CPU Core ........................................................................................ 10
Memories ................................................................................................ 18
System Clock ......................................................................................... 28
3.1
4.1
4.2
4.3
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
6.1
6.2
6.3
6.4
6.5
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
Pin Descriptions .................................................................................................4
Block Diagram ...................................................................................................7
Pin Descriptions .................................................................................................8
About Code Examples .......................................................................................9
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
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
Clock Systems and their Distribution ...............................................................28
Clock Sources .................................................................................................29
Default Clock Source .......................................................................................30
Low Power Crystal Oscillator ...........................................................................30
Calibrated Internal RC Oscillator .....................................................................32
PLL ..................................................................................................................34
128 kHz Internal Oscillator ..............................................................................36
External Clock .................................................................................................36
AT90PWM216/316
353