ST52T400 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST52T400

8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG

STMicroelectronics 

ST52T400/T440/E440/T441

Figure 10.10 Phase Angle Partialization Zero Crossing Circuit

VDD

A/C – D/C

Adaptor

J1

1

2

220 V

AC

220 kΩ

MAIN1

Figure 10.11 TRIAC/PWM Configuration Registers 10

REG_CONF10

TRIAC/PWM

D7 D6 D5 D4 D3 D2 D1 D0

POL: Pulses polarity

Not Used

MODE: Peripheral working mode

CKSL: Clock Selector

TCST: TRIAC Stop

IOSL: MAIN2 Selector

TCRST: TRIAC Set/Reset

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