LNBH23PPR datasheet(16/32 Pages) STMICROELECTRONICS

部件名	LNBH23PPR

功能描述	LNBs supply and control IC with step-up and I²C interface

PDF	32 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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16 / 32 page

LNBH23 software description

LNBH23

16/32

LNBH23 software description

7.1

Interface protocol

The interface protocol comprises:

●

A start condition (S)

●

A chip address byte (the LSB bit determines read(=1)/write(=0) transmission)

●

A sequence of data (1 byte + acknowledge)

●

A stop condition (P)

ACK = Acknowledge

S = Start

P = Stop

R/W = 1/0, Read/Write bit

X = 0/1, two selectable addresses available through ADDR pin (see Address pin

characteristics Table 10)

7.2

System register (SR, 1 byte)

Write = control bits functions in write mode

Read= diagnostic bits in read mode.

All bits reset to 0 at power On

Chip address

Data

MSB

LSB

MSB

LSB

000101

R/W ACK

ACK

Mode

MSB

LSB

Write

PCL

TTX

TEN

LLC

VSEL

ITEST

AUX

Read

IMON

VMON

TMON

LLC

VSEL

OTF

OLF

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