tda6403a NXP Semiconductors, tda6403a Datasheet - Page 29

• Manufacturer Part Number: tda6403a
• Description: 5 V Mixers/oscillators And Synthesizers For Cable Tv And Vcr 2-band Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 26 Two status bytes acquisition
Notes
1. XX = Read status byte.
2. X = No acknowledge from the master means end of sequence.
Other I
Examples of 3-wire bus sequences (SW = OPEN)
Table 27 18-bit sequence (f
The reference divider is automatically set to 512 assuming that RSB has been set to logic 1 at power-on. If RSB has been
set to logic 0, in a previous 27-bit sequence, the reference divider will still be set at 640. In that event, the 18-bit sequence
has to be adapted to the 640 divider ratio.
Table 28 19-bit sequence (f
The reference divider is automatically set to 512 assuming that RSB has been set to logic 1 at power-on. If RSB has been
set to logic 0 in a previous 27-bit sequence, the reference divider will still be set at 640. In that event, the 19-bit sequence
has to be adapted to the 640 divider ratio.
Table 29 27-bit sequence (f
Table 30 19-bit sequence
This sequence will program f
Table 31 18-bit sequence
This sequence will program f
2000 Jan 24
1
1
1
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
S
1
1
0
2
C-bus addresses may be selected by applying an appropriate voltage to the CE input.
0
0
C3
0
0
0
0
0
0
0
0
A
0
0
0
XX
0
0
1
(1)
0
0
OSC
OSC
OSC
1
OSC
OSC
1
1
A
= 800 MHz; PUHF = ON)
= 650 MHz; PUHF = ON)
= 750 MHz; PUHF = ON; N = 640; I
1
to 600 MHz in 50 kHz steps; I
to 600 MHz in 50 kHz steps; I
1
1
1
0
XX
0
(1)
0
0
1
0
1
X
0
1
1
(2)
0
1
1
0
1
P
0
1
1
29
0
0
1
0
0
CP
CP
1
0
0
remains at 60 A.
remains at 60 A.
1
CP
0
1
= 60 A; no test function)
1
1
0
0
1
0
0
1
0
0
1
TDA6402; TDA6402A;
TDA6403; TDA6403A
1
1
1
0
0
0
0
0
0
0
0
0
0
Product specification
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0