tda6651tt/c3/s3 NXP Semiconductors, tda6651tt/c3/s3 Datasheet - Page 46

• Manufacturer Part Number: tda6651tt/c3/s3
• Description: 5 V Mixer/oscillator And Low Noise Pll Synthesizer For Hybrid Terrestrial Tuner Digital And Analog
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA6650TT_6651TT_5
Product data sheet
To fully program the device, either sequence of
arrangements of the bytes are also possible.
Table 23.
[1]
[2]
Table 24.
[1]
[2]
Table 25.
Table 26.
[1]
Table 27.
[1]
Table 28.
[1]
Start Address
S
Start Address
S
Start
S
Start
S
Start
S
Start
S
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
Control byte 1 with bit T/A = 0, to program AGC time constant bit ATC and AGC take-over point bits
AL2, AL1 and AL0.
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
Control byte 1 with bit T/A = 0, to program AGC time constant bit ATC and AGC take-over point bits
AL2, AL1 and AL0.
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
Control byte 1 with bit T/A = 1, to program test bits T2, T1 and T0 and reference divider ratio bits R2, R1
and R0.
Control byte 1 with bit T/A = 0, to program AGC time constant bit ATC and AGC take-over point bits
AL2, AL1 and AL0.
byte
C2
byte
C2
Complete sequence 1
Complete sequence 2
Sequence to program only the main divider ratio
Sequence to change the charge pump current, the ports and the test mode. If the
reference divider ratio is changed, it is necessary to send the DB1 and DB2 bytes
Sequence to change the test mode. If the reference divider ratio is changed, it is
necessary to send the DB1 and DB2 bytes
Sequence to change the charge pump current, the ports and the AGC data
Address byte
C2
Address byte
C2
Address byte
C2
A
A
Address byte
C2
Control
byte 1
CA
Divider
byte 1
12
Rev. 05 — 10 January 2007
A
A
A
[1]
A
A
A
Control
byte 2
A4
Divider
byte 2
C0
Divider byte 1
12
Control byte 1
CA
Control byte 1
82
5 V mixer/oscillator and low noise PLL synthesizer
TDA6650TT; TDA6651TT
A
A
Divider
byte 1
12
A
A
Control byte 1
CA
A
Control
byte 1
CA
Table 23
[1]
[1]
[1]
A
A
Divider byte 2
C0
Control byte 2
A4
Control byte 2
A4
or
Divider
byte 2
C0
Control
byte 2
A4
[1]
24
A
can be used, while other
A
A
A
A
A
Control
byte 1
84
Control
byte 1
84
© NXP B.V. 2007. All rights reserved.
Stop
P
[2]
[2]
A
A
Stop
P
Stop
P
Stop
P
46 of 54
Stop
P
Stop
P