TEF6730 NXP Semiconductors, TEF6730 Datasheet - Page 22

• Manufacturer Part Number: TEF6730
• Description: Tef6730 Front-end For Digital-if Car Radio
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEF6730_1
Product data sheet
8.2.2 Write mode: data byte CONTROL
Table 14.
Table 15.
Bit
7
6
5
4
3 and 2
Fig 18. End mode
RFGAIN
7
0
quality detectors
WS processing
AFSAMPLE
tuning mute
Symbol
RFGAIN
-
FLAG
IFGAIN
NBAGC[1:0]
TAS read
CONTROL - data byte 0h bit allocation with default setting
CONTROL - data byte 0h bit description
AFHOLD
I
2
C-bus
time
6
0
'11'
Rev. 01 — 10 July 2006
FLAG
Description
FM RF gain
not used, must be set to logic 0
software port output open-collector
IF gain
RF AGC start level; setting of narrow band (IF) detection
P
5
0
0 = standard gain
1 = +6 dB added gain
0 = SWPORT pin inactive (high-impedance)
1 = SWPORT pin active (pull-down to ground)
0 = standard IF gain
1 = increased IF gain (6 dB)
00 = 700 mV (peak value)
01 = 560 mV (peak value)
10 = 450 mV (peak value)
11 = 350 mV (peak value)
'00'
IFGAIN
4
0
suggested IF DSP signal control
NBAGC1
3
0
Front-end for digital-IF car radio
NBAGC0
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
2
1
DAASW
TEF6730
1
0
001aae107
'00'
CFSW
22 of 56
0
0