This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

February 2013

Doc ID 024169 Rev 2

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10

STLUX385

Digital controller for lighting and power supply applications with 6

programmable PWM generators, 96 MHz PLL, DALI

Datasheet

Features

–Max f

CPU

: 16 MHz

–

Advanced STM8 core with Harvard

architecture and 3-stage pipeline

–

Extended instruction set

–

Flash and EEPROM with read while write

(RWW) and error correction code (ECC)

capability

–

Program memory: 32 Kbytes Flash; data

retention 15 years at 85 °C after 10 kcycles

at 25 °C

–

Data memory: 1 Kbyte true data EEPROM;

data retention: 15 years at 85 °C after 100

kcycles at 85 °C

–RAM: 2 Kbytes

–

Low power crystal resonator oscillator with

external clock input

–

Internal, user-trimmable 16 MHz RC and

low power 153.6 KHz RC oscillators

–

Internal 96 MHz PLL

–

Clock security system with clock monitor

–

Nested interrupt controller with 32 interrupt

vectors

–

Three interrupt priority levels

–

Up to 12 external interrupt request lines on

2 vectors

–

Programmable NMI interrupt sources

–

6 SMEDs (state machine event driven)

independent PWM programmable pulse

signal generators

–

UART asynchronous: sw flow-control

operating mode

–I

2

C master/slave fast-slow speed rate

–

DALI ballast target device interface

–

10-bit, 8 multiplexed channels, sequencing

functionality

–

Operational amplifier to extend dynamic

range and resolution to 12-bit equivalent

–

Independent channel gain value

configurations: x1.6 or x6.4

–

4 analog comparators with internal

programmable reference voltage

generated by 4 internal programmable 4-bit

DACs

–

1 analog comparator with additional

external reference voltage

–

Comparator cycle time: 50 ns max

–

Repetitive conversion

–

12 I/Os multifunction signals

–

Highly robust I/O design, immune against

current injection

–

-25 °C to 105 °C

Description

The STLUX385 is a digital controller for lighting

and power supply applications featuring 6

programmable PWM generators, 96 MHz PLL,

gain-programmable ADC and DALI interface.

TSSOP38

www.st.com