ST52T400G2B6 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST52T400G2B6

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

STMicroelectronics 

ST52T400/T440/E440/T441

Table 1.5 SO20 and DIP20 Pin Configuration - ST52x440/441

PIN SO20/DIP20

1

2

3

4

5

6

7

8

9

10

11

12

NAME

VDD

OSCOUT

OSCIN

Vpp

PB7/CS

PB3/AC3

PB2/AC2

PB1/AC1

PB0/AC0

GNDA

PA0/TROUT

PA1/MAIN1

Programming Phase

Digital Power Supply

EPROM Programming

Power supply (12V±5%)

PHASE signal (PHASE)

Configuration INCREMENT

(INC_CONF)

Configuration RESET

(RST_CONF)

Address INCREMENT

(INC_ADD)

Address Reset

(RST_ADD)

Analog Ground

I/O EPROM Data

I/O EPROM Data

13

PA2/MAIN2/

TOUTN

I/O EPROM Data

14

PA3/ACSTRT

I/O EPROM Data

15

PA4/TSTRT

I/O EPROM Data

16

PA5/TCLK

I/O EPROM Data

17

PA6/TRES/TOUT

I/O EPROM Data

18

PA7/INT/

I/O EPROM Data

ACSYNC

19

RESET

General Reset

20

VSS

Digital Ground

Working Phase

Digital Power Supply

Oscillator Output

Oscillator Input

EPROM VDD or Vss

Digital I/O - Capacitor connection

Digital I/O

Analog Comparator Channel 3

Digital I/O

Analog Comparator Channel 2

Digital I/O

Analog Comparator Channel 1

Digital I/O

Analog Comparator Channel 0

Analog Ground

Digital I/O - TRIAC Driver Output

Digital I/O

Zero Crossing Detection pin 1

Digital I/O

Zero Crossing Detection pin 2

Complementary Timer Output

Digital I/O

Analog Comp. counter external start

Digital I/O - Timer external start

Digital I/O - Timer external clock

Digital I/O

Timer external reset - Timer output

Digital I/O - External Interrupt

Analog Comparator counter ready

General Reset

Digital Ground

17/94

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