ST7580 datasheet(7/33 Pages) STMICROELECTRONICS

部品番号	ST7580

部品情報	FSK, PSK multi-mode power line networking system-on-chip

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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7 / 33 page

ST7580

Pin connection

Doc ID 022644 Rev 1

7/33

27

VDD_REG_1V8

Power

-

1.8 V digital supply / internal regulator output.

Externally accessible for filtering purposes only

28

VDDIO

Power

-

3.3 V - 5 V I/O supply

29

NC

-

Not used, leave floating

30

NC

-

Not used, leave floating

31

RESERVED0

Power

-

Pull-up to VDDIO.

32

NC

-

Not used, leave floating

33

GND

Power

-

Digital ground

34

VDDIO

Power

-

3.3 V – 5 V I/O supply

35

VSSA

Power

-

Analog ground

36

CL_SEL

Digital output

High Z

Disabled Current limit resistor selection output

37

PL_RX_ON

Digital output

High Z

Disabled Reception in progress output

38

T_REQ

Digital input

High Z

Disabled UART communication control line

39

BR1

Digital input

High Z

Disabled UART baud rate selection (sampled after each reset

event) see Table 3.

40

BR0

Digital Input

High Z

Disabled

41

PL_TX_ON

Digital output

High Z

Disabled Transmission in progress output

42

RESERVED1

-

Pull up to VDDIO

43

RESERVED2

-

Pull up to VDDIO

44

RESERVED3

-

Pull up to VDDIO

45

GND

Power

-

Digital ground

46

VDD

Power

-

1.8 V digital supply

47

RESERVED4

-

Connect to VDDIO

48

RESERVED5

-

Pull up to VDDIO

-

Exposed pad

-

Electrically connected to VSSA. It is recommended

that the exposed pad be thermally connected to a

copper ground plane for enhanced electrical and

thermal performance.

Table 2.

Pin description (continued)

Name

Type

Reset state

Internal

Pull-up

Description

Table 3.

UART baud rate selection

BR0

BR1

Baud rate

0

9600

0

1

19200

1

0

38400

1

57600

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