U6220B Datasheet, PDF (8/14 Pages) TEMIC Semiconductors – 1.3 GHz PLL for TV- and VCR- Tuner

U6220B
I²C Bus Description (continued)
Band Switching Logic in I²C Bus Mode
(2 mixer EasyLink with MOSMIC gate1 switch off logic)
P0 P4 P2 P1 VHF VHF
Pin6 L/H
Pin 7
UHF
1
0
0
0
on
off
VHF high
0
0
1
0
off
on
VHF low (except chan- 0
0
0
1
off
off
nel 6)
VHF channel 6
0
1
0
1
off
off
– 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)
I²C Bus Pulse Diagram
UHF
Pin 8
off
on
on
FM
Trap
Pin 10
off
off
off
MS
Pin 11
4V
0V
0V
on
on
0V
ADDRESS BYTE
/ A / 1.BYTE / A / 2.BYTE / A / 3.BYTE / A / 4.BYTE / A /
SDA
SCL
START 1 2 3 4 5 6 7 8 9 1...
8 9 1...
8 9 1...
8 9 1...
8 9 STOP
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
ADR
PDB1
PDB2
CB1
CB2
STOP
= Start condition
= Address byte
= Programmable divider byte 1
= Programmable divider byte 2
= Control byte 1
= Control byte 2
= Stop condition
8 (14)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A2, 23-Sep-96