TUA6120 Datasheet, PDF (47/70 Pages) Infineon Technologies AG – Gain controlled I/Q Mixer for Digital QPSK or 8PSK Sat Signals

TUA6120 ’TORNADO’
Version 2.01
Reference
Table 4-11 I²C Short Read Bus Data Format
I²C-bus Read Mode
The first read must have the same
first read
format as a single read :
Bit Function
STA
1 MSB
1
- Write chip address (write)
- Sub address (write)
- Read chip address (write)
- Data (read)
0
0 _{chip address}
0 ^(Write)
all following read calls to the same
register may have the following
short read format :
MA0
MA1
- Read chip address (write)
- Data (read)
0 LSB
ACK
S7 MSB
This mode will only be terminated
by a new write operation with
- Write chip address (write)
S6
S5
S4 ^{sub address}
(Read)
S3 _80H...82H
S2
repeated short read
to the same register as first
read
S1
S0 LSB
ACK
STA restart
STA restart
1 MSB
1 MSB
1
1
0
0 ^{chip address}
(Read)
0
0
0
chip address
(Read)
0
MA0
MA0
MA1
MA1
1 LSB
1 LSB
ACK
ACK
DX MSB
DX MSB
...
...
D5
D5
D4 _{data out X...0}
D3 ^(X=7)
D4 _{data out X...0}
D3 ^(X=7)
D2
D2
D1
D1
D0 LSB
D0 LSB
1
1
STO
STO
Specification
47
2004-02-05