U6220B

TELEFUNKEN Semiconductors

Rev. A2, 23-Sep-96

Preliminary Information

8 (14)

(2 mixer EasyLink with MOSMIC gate1 switch off logic)

P0

P4

P2

P1

VHF

Pin6

VHF

L/H

Pin 7

UHF

Pin 8

FM

Trap

Pin 10

MS

Pin 11

UHF

1

0

0

0

on

off

off

off

4 V

VHF high

0

0

1

0

off

on

on

off

0 V

VHF low (except chan-

nel 6)

0

0

0

1

off

off

on

off

0 V

VHF channel 6

0

1

0

1

off

off

on

on

0 V

– Port VHF switches the VHF MOSMIC (inverse logic)

– Port VHF L/H switches the VHF switching-diode (high output current output)

– Port UHF switches the UHF MOSMIC (inverse logic)

– Port FM Trap switches the FM Trap in channel 6

– Port MS switches the MX band switch input (e.g. U2326B)

ADDRESS BYTE

/ A /

/ A /

1.BYTE

/ A /

2.BYTE

/ A /

3.BYTE

4.BYTE

/ A /

SDA

SCL

START

12

34

5

6

7

8

9

8

1...

98

1...

9

1...

8

9

1...

8

STOP

9

12428

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 - CB1 - CB2 - PDB1 - STOP

START - ADR - PDB1 - PSB2 - 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