tda9950 NXP Semiconductors, tda9950 Datasheet - Page 24

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tda9950

Manufacturer Part Number
tda9950
Description
Tda9950 Cec/i?c-bus Translator
Manufacturer
NXP Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
tda9950TT
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
tda9950TT/C22
Manufacturer:
DIODES
Quantity:
1 200
Part Number:
tda9950TT/C3+518
Manufacturer:
NXP/恩智浦
Quantity:
20 000
NXP Semiconductors
19. Contents
1
2
2.1
2.2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.4
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.6
8.6.1
8.6.2
8.7
8.7.1
8.7.2
8.7.3
9
10
11
12
13
14
15
15.1
15.2
15.3
15.4
16
17
18
19
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 5
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 15
Static characteristics. . . . . . . . . . . . . . . . . . . . 16
Dynamic characteristics . . . . . . . . . . . . . . . . . 17
Application information. . . . . . . . . . . . . . . . . . 18
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 19
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 20
Legal information. . . . . . . . . . . . . . . . . . . . . . . 21
Contact information. . . . . . . . . . . . . . . . . . . . . 21
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Principal features . . . . . . . . . . . . . . . . . . . . . . . 1
Additional features . . . . . . . . . . . . . . . . . . . . . . 1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Device addressing . . . . . . . . . . . . . . . . . . . . . . 5
Configuring the TDA9950 . . . . . . . . . . . . . . . . . 5
Use of the INT line . . . . . . . . . . . . . . . . . . . . . . 6
Register descriptions . . . . . . . . . . . . . . . . . . . . 6
Data register protocol . . . . . . . . . . . . . . . . . . . . 8
CECData.req service . . . . . . . . . . . . . . . . . . . . 9
CECData.cnf service . . . . . . . . . . . . . . . . . . . . 9
CECData.ind service . . . . . . . . . . . . . . . . . . . 10
CECData.err service. . . . . . . . . . . . . . . . . . . . 10
CECData.ier service . . . . . . . . . . . . . . . . . . . . 10
Example communication sequences . . . . . . . 11
Notes on writing the CEC Data Registers. . . . 12
Notes on reading the CEC Data Registers . . . 13
Using the TDA9950 . . . . . . . . . . . . . . . . . . . . 13
Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Sending a CEC message . . . . . . . . . . . . . . . . 14
Receiving a CEC message. . . . . . . . . . . . . . . 14
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 21
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2007.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
CEC/I
Date of release: 16 November 2007
Document identifier: TDA9950_1
TDA9950
2
C-bus translator
All rights reserved.

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