STLUX385ATR datasheet(3/99 Pages) STMICROELECTRONICS

Part #	STLUX385ATR

Description	Digital controller for lighting and power conversion applications

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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3 / 99 page

DocID024387 Rev 2

3/98

STLUX385A

Contents

3.7.2

Universal asynchronous receiver/transmitter (UART)

. . . . . . . . . . . . . . 20

3.7.3

Inter-integrated circuit interface (I

2

C) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.8

Analog to digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

3.9

Analog comparators

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

4

Pinout and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.1

Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

4.2

Pin description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

4.3

Input/output specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25

5

I/O multifunction signal configuration . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.1

Multifunction configuration policy

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26

5.2

Port P0 I/O multifunction configuration signal

. . . . . . . . . . . . . . . . . . . . .

26

5.2.1

Alternate function P0 configuration signals

. . . . . . . . . . . . . . . . . . . . . . 27

5.2.2

Port P0 diagnostic signals

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.2.3

Port P0 I/O functional multiplexing signal

. . . . . . . . . . . . . . . . . . . . . . . 28

5.2.4

P0 programmable pull-up and speed feature

. . . . . . . . . . . . . . . . . . . . 28

5.3

Port P1 I/O multifunction configuration signal

. . . . . . . . . . . . . . . . . . . . .

28

5.3.1

Port P1 I/O multiplexing signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.3.2

P1 programmable pull-up feature

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.4

Port P2 I/O multifunction configuration signal

. . . . . . . . . . . . . . . . . . . . .

30

5.4.1

P2 programmable pull-up feature

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

5.5

Multifunction Port configuration registers . . . . . . . . . . . . . . . . . . . . . . . . .

31

6

Memory and register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6.1

Memory map overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34

6.2

Register map

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35

6.2.1

General purpose I/O GPIO0 register map

. . . . . . . . . . . . . . . . . . . . . . . 35

6.2.2

General purpose I/O GPIO1 register map

. . . . . . . . . . . . . . . . . . . . . . . 35

6.2.3

Miscellaneous registers

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.2.4

Flash and E

2

PROM non-volatile memories . . . . . . . . . . . . . . . . . . . . . . 37

6.2.5

Reset register

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.2.6

Clock and clock controller

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.2.7

WWDG timers

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.2.8

IWDG timers

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.2.9

AWU timers

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

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