AT90PWM81-16SF Atmel, AT90PWM81-16SF Datasheet - Page 147

IC MCU AVR 8K FLASH ISP 20SOIC

AT90PWM81-16SF

Manufacturer Part Number
AT90PWM81-16SF
Description
IC MCU AVR 8K FLASH ISP 20SOIC
Manufacturer
Atmel
Series
AVR® 90PWM Lightingr
Datasheet

Specifications of AT90PWM81-16SF

Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, PWM, WDT
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
20-SOIC (7.5mm Width)
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Part Number:
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13. Reduced Power Stage Controller – (PSCR)
13.1
13.2
7734P–AVR–08/10
Features
Overview
The Reduced Power Stage Controller is a high performance waveform controller.
Many register and bit references in this section are written in general form.
The purpose of a Power Stage Controller (PSC) is to control power modules on a board. It has two outputs
.
These outputs can be used in various ways:
The PSCR has two inputs the purpose of which is to provide means to act directly on the generated
waveforms:
• A lower case “r” (or “n” replaces the PSC number, in this case 0. However, when using the register or
• A lower case “x” replaces the PSCR part , in this case A or B. However, when using the register or bit
• “Two Outputs” to drive a half bridge (lighting, ...)
• “One Output” to drive single power transistor (DC/DC converter, PFC, ...)
• Current sensing regulation
• Zero crossing retriggering
• Demagnetization retriggering
• Fault input
PWM waveform generation function (2 complementary programmable outputs)
Dead time control
Standard mode up to 12 bit resolution
Enhanced resolution up to 16 bits
Frequency up to 64 Mhz
Conditional Waveform on External Events (Zero Crossing, Current Sensing ...)
ADC synchronization
Overload protection function
Abnormality protection function, emergency input to force all outputs to high impedance or in inactive state
(fuse configurable)
Fast emergency stop by hardware
bit defines in a program, the precise form must be used, i.e., PSOC0 for accessing PSCR 0 Synchro
and Output Configuration register and so on.
defines in a program, the precise form must be used, i.e., PFRC0A for accessing PSCR 0
Fault/Retrigger A Control register and so on.
AT90PWM81
147

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