U6239B Datasheet, PDF (8/15 Pages) TEMIC Semiconductors – 2.9 GHz PLL for SAT TV Tuner with UNi-Bus

U6239B
I²C Bus Description (continued)
Description
I²C Bus Read Data Format
ÁÁÁ_ASÁÁÁ_tdadturÁÁÁ_essbsybÁÁÁ_teyteÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ^MPÁÁÁ_O1SRBÁÁÁÁÁÁ_F1LÁÁÁÁÁÁ_I02ÁÁÁÁÁÁ_I01ÁÁÁÁÁÁ_I0ÁÁÁ₀ ÁÁÁ_AAÁÁÁ_S21ÁÁÁ_AÁÁÁ_AS12ÁÁÁÁÁÁ^LAS10BÁÁÁÁÁÁ_A–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