AT90PWM3B-16SU Atmel, AT90PWM3B-16SU Datasheet - Page 350

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

Specifications of AT90PWM3B-16SU

• 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)
• Processor Series: AT90PWMx
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SPI/USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 27
• Number Of Timers: 2
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRFBKIT, ATAVRISP2
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 11-ch x 10-bit
• On-chip Dac: 1-chx10-bit
• Controller Family/series: AVR PWM
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 16MHz
• Rohs Compliant: Yes
• For Use With: ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRMC200 - KIT EVAL FOR AT90PWM3 ASYNCATAVRFBKIT - KIT DEMO BALLAST FOR AT90PWM2ATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK520 - ADAPTER KIT FOR 90PWM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents
4317H–AVR–12/06
1
2
3
4
5
6
7
History ....................................................................................................... 2
Disclaimer ................................................................................................. 2
Pin Configurations ................................................................................... 3
Overview ................................................................................................... 7
AVR CPU Core .........................................................................................11
Memories ................................................................................................ 19
System Clock ......................................................................................... 29
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 ...................................................................................................5
Block Diagram ......................................................................................................8
Pin Descriptions ...................................................................................................9
About Code Examples .......................................................................................10
Introduction ........................................................................................................11
Architectural Overview .......................................................................................11
ALU – Arithmetic Logic Unit ...............................................................................12
Status Register ..................................................................................................13
General Purpose Register File ...........................................................................14
Stack Pointer ......................................................................................................15
Instruction Execution Timing ..............................................................................15
Reset and Interrupt Handling .............................................................................16
In-System Reprogrammable Flash Program Memory .......................................19
SRAM Data Memory ..........................................................................................20
EEPROM Data Memory .....................................................................................21
I/O Memory ........................................................................................................27
General Purpose I/O Registers ..........................................................................27
Clock Systems and their Distribution .................................................................29
Clock Sources ....................................................................................................30
Default Clock Source .........................................................................................31
Low Power Crystal Oscillator .............................................................................31
Calibrated Internal RC Oscillator .......................................................................33
PLL .....................................................................................................................34
128 kHz Internal Oscillator .................................................................................36
External Clock ....................................................................................................36
AT90PWM2/2B/3/3B
349