AT90PWM3B-16SU Atmel, AT90PWM3B-16SU Datasheet - Page 85

IC MCU AVR RISC 8K FLASH 32-SOIC

AT90PWM3B-16SU

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

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT90PWM3B-16SU
Manufacturer:
Atmel
Quantity:
4 000
Part Number:
AT90PWM3B-16SU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
14. 8-bit Timer/Counter0 with PWM
14.1
14.1.1
4317J–AVR–08/10
Overview
Definitions
Timer/Counter0 is a general purpose 8-bit Timer/Counter module, with two independent Output
Compare Units, and with PWM support. It allows accurate program execution timing (event man-
agement) and wave generation. The main features are:
A simplified block diagram of the 8-bit Timer/Counter is shown in
placement of I/O pins, refer to
including I/O bits and I/O pins, are shown in bold. The device-specific I/O Register and bit loca-
tions are listed in the
The PRTIM0 bit in
Timer/Counter0 module.
Figure 14-1. 8-bit Timer/Counter Block Diagram
Many register and bit references in this section are written in general form. A lower case “n”
replaces the Timer/Counter number, in this case 0. A lower case “x” replaces the Output Com-
pare Unit, in this case Compare Unit A or Compare Unit B. However, when using the register or
bit defines in a program, the precise form must be used, i.e., TCNT0 for accessing
Timer/Counter0 counter value and so on.
Two Independent Output Compare Units
Double Buffered Output Compare Registers
Clear Timer on Compare Match (Auto Reload)
Glitch Free, Phase Correct Pulse Width Modulator (PWM)
Variable PWM Period
Frequency Generator
Three Independent Interrupt Sources (TOV0, OCF0A, and OCF0B)
Timer/Counter
OCRnx
TCCRnA
OCRnx
TCNTn
=
=
“Power Reduction Register” on page 42
“8-bit Timer/Counter Register Description” on page
direction
count
clear
“Pin Descriptions” on page
TOP
=
TCCRnB
Control Logic
Values
BOTTOM
Fixed
TOP
=
0
clk
Tn
Generation
Waveform
Generation
Waveform
AT90PWM2/3/2B/3B
Clock Select
( From Prescaler )
Detector
Edge
8. CPU accessible I/O Registers,
must be written to zero to enable
Figure
95.
OCnB
(Int.Req.)
14-1. For the actual
OCnB
OCnA
(Int.Req.)
OCnA
TOVn
(Int.Req.)
Tn
85

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