U6239B 데이터 시트보기 (PDF) - Temic Semiconductors

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U6239B

2.9 GHz PLL for SAT TV Tuner with UNi-Bus

Temic Semiconductors 

U6239B

I2C Bus Description (continued)

Description

I2C Bus Read Data Format

ÁÁÁASÁÁÁtdadturÁÁÁessbsybÁÁÁteyteÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁMPÁÁÁO1SRBÁÁÁÁÁÁF1LÁÁÁÁÁÁI02ÁÁÁÁÁÁI01ÁÁÁÁÁÁI0ÁÁÁ0 ÁÁÁAAÁÁÁS21ÁÁÁAÁÁÁAS12ÁÁÁÁÁÁLAS10BÁÁÁÁÁÁA–ÁÁÁÁÁÁ

POR :

Power-on reset flag:

POR = 1 on power on

FL :

In-lock flag:

FL = 1, when loop is phase locked

I2, I1, I0 : Digital information of I/O-ports P7, P5 and P4 respectively

A2, A1, A0 : Digital data of the 5-level ADC.

see next table

A/D Converter Levels:

I2C Bus Pulse Diagram

Address byte

SDA

A2 A1

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 1 0

01

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 0 1

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 0 0

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 0 0

A0 Input voltage to ADC Pin 9

0 60% Vs to 13.2 V

1 45% to 60% Vs

0 30% to 45% Vs

1 15% to 30% Vs

0 0 V to 15% Vs

/ A / 1.Byte

/ A / 2.Byte

/ A / 3.Byte

/ A / 4.Byte

/A/

9611811

SCL

START 1 2 3 4 5 6 7 8 9 1...

8 9 1...

8 9 1...

8 9 1...

8 9 STOP

Data transfer examples

START – ADR – PDB1 – PDB2 – CB1 – CB2 – STOP

START – ADR – CB1 – CB2 – PDB1 – PDB2 – STOP

START – ADR – PDB1 – PDB2 – CB1 – STOP

START – ADR – PDB1 – PDB2 – STOP

START – ADR – CB1 – CB2 – STOP

START – ADR – CB1 – STOP

Description

START

= Start condition

ADR

= Address byte

PDB1

= Programmable divider byte 1

PDB2

= Programmable divider byte 2

CB1

= Control byte 1

CB2

= Control byte 2

STOP

= Stop condition

8 (15)

TELEFUNKEN Semiconductors

Rev. A3, 28-May-97

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