TDA6650TT; TDA6651TT
NXP Semiconductors
5 V mixer/oscillator and low noise PLL synthesizer
Table 29. Sequence to change only the AGC data
Start
Address byte
Control byte 1[1]
Stop
S
C2
A
84
A
P
[1] 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.
Table 30. Sequence to program the main divider, the ALBC on and the test modes in normal
mode with XTOUT buffer off
Start Address
byte
Divider
byte 1
Divider
byte 2
Control
byte 1[1]
Control
byte 2
Control
byte 1
Stop
S
C2
A
12
A
C0
A
DA
A
00
A
C2
A
P
[1] 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.
TDA6650TT_6651TT_5
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 05 — 10 January 2007
47 of 54
NXP [ NXP ]
