AT90PWM3B-16SUR Atmel, AT90PWM3B-16SUR Datasheet - Page 354

• Manufacturer Part Number: AT90PWM3B-16SUR
• Description: MCU AVR 8K FLASH 16MHA 32SOIC
• Manufacturer: Atmel
• Series: AVR® 90PWM Lightingr

Specifications of AT90PWM3B-16SUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 27
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 32-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents
i
AT90PWM2/3/2B/3B
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 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
4317J–AVR–08/10