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

Table 1.2 SO28 and DIP28 Pin Configuration - ST52x400

PIN SO28/DIP28

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

NAME

OSCOUT

OSCIN

Vpp

PC4

PC3

PB7

PB6

PB5

PB4

PB3

PB2

PB1

PB0

Vss

PA0/TROUT

PA1/MAIN1

Programming Phase

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)

I/O EPROM Data

I/O EPROM Data

PA2/MAIN2/

TOUTN

PA3

PA4/TSTRT

PA5/TCLK

PA6/TRES/TOUT

I/O EPROM Data

I/O EPROM Data

I/O EPROM Data

I/O EPROM Data

I/O EPROM Data

PA7/INT

PC2

PC1

PC0

RESET

VSS

VDD

I/O EPROM Data

General Reset

Digital Ground

Digital Power Supply

Working Phase

Oscillator Output

Oscillator Input

EPROM VDD or Vss

Digital I/O

Digital I/O

Digital I/O

Digital I/O

Digital I/O

Digital I/O

Digital I/O

Digital I/O

Digital I/O

Digital I/O

This pin must be tied to Digital 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

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

Digital I/O

Digital I/O

Digital I/O

General Reset

Digital Ground

Digital Power Supply

14/94

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