TEF6686A, TEF6687A, TEF6688A and TEF6689A, /V205
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2016. All rights reserved.
Rev. 1.6 — 18 August 2016
1. Introduction
TEF668XA (‘Lithio’) is a series of unparalleled single-chip car radio devices with an upper
mainstream to high-end performance and feature set. The Lithio series consists of four
variants; TEF6686A, TEF6687A, TEF6688A and TEF6689A.
All Lithio variants offer worldwide FM band reception as well as full AM band reception up
to 27 MHz. In addition to the TEF6686A feature set the variants TEF6687A and
TEF6689A (Lithio FMSI and Lithio FMSI DR) offer the added performance of extended
FM stereo reception and the new improved ‘FULL SEARCH’ RDS data reception. The
variants TEF6688A and TEF6689A (Lithio DR and Lithio FMSI DR) offer connectivity and
support for digital radio reception in the AM and FM bands.
This user manual describes the TEF668XA series control interface or API (Application
Programming Interface). The document describes the available write and read
commands with parameter and data definitions.
This document version contains limited background information regarding the feature
functionality and the offered control options so some general knowledge of car radio
functions is required.
This user manual describes the functionality and control of the TEF668XA device version
V205 specifically (TEF668XA/V205).
2. Control interface
2.1 Overview
The TEF668XA devices are equipped with an I²C bus interface for control of the device.
Full control of the device functions and features is available using this single interface.
The I²C bus supports bit rates of up to 400 kbit/s in accordance with the ‘fast mode’ I²C
bus specification.
The control interface is described in this document on an abstract ‘application’ level as
well as on I²C protocol level.
TEF668XA device variants are fully control compatible, although differing in available
features. Future derivatives of these devices will remain compatible also but possibly with
a different variation and extension in supported functions and features.
The TEF668XA interface definition is compatible also with the TEF665XA (Atomic-2) and
TEF701XA (Sabre) series of devices, although differing in available commands reflecting
the available functionality. The interface is compatible with the TEA685XA (Tiger-2)
series as well.
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2023-02-07
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m0_681546212023-05-01Perfect, thank you very much, please also upload older versions (1.4 20160414) of this document if you have it, I will buy it as I require patch p5.09
