Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6848H
CONTENTS
12
I2C-BUS PROTOCOL
12.1
I2C-bus specification
Data transfer
I2C-bus pull-up resistors
Frequency setting
Default settings
1
2
3
4
5
6
7
FEATURES
12.1.1
12.1.2
12.1.3
12.1.4
12.1.5
12.2
12.2.1
12.2.2
12.2.3
12.2.4
12.2.5
12.2.6
12.2.7
12.2.8
12.2.9
12.2.10
GENERAL DESCRIPTION
ORDERING INFORMATION
QUICK REFERENCE DATA
BLOCK DIAGRAM
Timing requirements
I2C-bus protocol
PINNING
Data transfer mode and IC address
Write mode: data byte 0
Write mode: data byte 1
Write mode: data byte 2
Write mode: data byte 3
Write mode: data byte 4
Write mode: data byte 5
Write mode: data byte 6
Write mode: data byte 7
Read mode: data byte 0
FUNCTIONAL DESCRIPTION
7.1
Oscillators
VCO
PLL
Crystal oscillator
DAA
FM signal channel
FM mixer 1
Buffer output for weather band flag
(pin WBFLAG)
FM keyed AGC
FM IF amplifier
FM mixer 2
FM IF2 dynamic selectivity
FM quadrature demodulator
Adjacent channel detector and threshold
extension
Bandwidth control ‘active’ flag (pin IFBWFLAG)
Bandwidth control monitor voltage (pin VIFBW
AM signal channel
7.1.1
7.1.2
7.1.3
7.2
7.3
7.3.1
7.3.2
13
TEST AND APPLICATION INFORMATION
INTERNAL CIRCUITRY
PACKAGE OUTLINE
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
14
15
16
SOLDERING
16.1
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
16.2
16.3
16.4
16.5
7.3.9
7.3.10
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.5
)
Suitability of surface mount IC packages for
wave and reflow soldering methods
AM tuner including mixer 1 and mixer 2
AM RF AGC
AM detector
17
18
19
20
DATA SHEET STATUS
DEFINITIONS
AM noise blanker
DISCLAIMERS
PURCHASE OF PHILIPS I2C COMPONENTS
FM and AM level detector
IF2 filter gain alignment
Frequency offset detector/alignment
7.6
7.7
8
LIMITING VALUES
9
THERMAL CHARACTERISTICS
DC CHARACTERISTICS
AC CHARACTERISTICS
10
11
2004 Nov 12
2
NXP [ NXP ]
