TDA9950TT/C2 NXP Semiconductors, TDA9950TT/C2 Datasheet - Page 21

• Manufacturer Part Number: TDA9950TT/C2
• Manufacturer: NXP Semiconductors

Specifications of TDA9950TT/C2

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Package Type: TSSOP
• Pin Count: 20
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
17. Tables
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
18. Figures
Fig 1.
Fig 2.
Fig 3.
Fig 4.
Fig 5.
Fig 6.
Fig 7.
Fig 8.
Fig 9.
Fig 10. Package outline SOT360-1 (TSSOP20). . . . . . . .18
TDA9950_2
Product data sheet
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . .3
Frame format for the data register protocol . . . . . .8
Host reads TDA9950 Status Register - after
setting address pointer. . . . . . . . . . . . . . . . . . . . .11
Host reads TDA9950 Status Register -
without setting address pointer (was at 0) . . . . . .11
Host reads CEC Address ACK registers -
after setting address pointer . . . . . . . . . . . . . . . .12
Host writes CEC Configuration Register -
after setting address pointer . . . . . . . . . . . . . . . .12
Host writes last three CEC Data Registers . . . . .12
Application diagram . . . . . . . . . . . . . . . . . . . . . . .17
Principal features . . . . . . . . . . . . . . . . . . . . . . . 1
Additional features . . . . . . . . . . . . . . . . . . . . . . 1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Device addressing . . . . . . . . . . . . . . . . . . . . . . 4
Configuring the TDA9950 . . . . . . . . . . . . . . . . . 5
Use of the INT line . . . . . . . . . . . . . . . . . . . . . . 5
Register descriptions . . . . . . . . . . . . . . . . . . . . 6
Data register protocol . . . . . . . . . . . . . . . . . . . . 8
CECData.req service . . . . . . . . . . . . . . . . . . . . 9
CECData.cnf service . . . . . . . . . . . . . . . . . . . . 9
CECData.ind service . . . . . . . . . . . . . . . . . . . . 9
CECData.err service. . . . . . . . . . . . . . . . . . . . 10
CECData.ier service . . . . . . . . . . . . . . . . . . . . 10
Example communication sequences . . . . . . . 11
Rev. 02 — 22 October 2009
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
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 15
Static characteristics . . . . . . . . . . . . . . . . . . . 16
Dynamic characteristics . . . . . . . . . . . . . . . . . 17
Application information . . . . . . . . . . . . . . . . . 17
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18
Revision history . . . . . . . . . . . . . . . . . . . . . . . 19
Legal information . . . . . . . . . . . . . . . . . . . . . . 20
Contact information . . . . . . . . . . . . . . . . . . . . 20
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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 . . . . . . . . . . . . . . . . . . . . . . 20
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 20
CEC/I
TDA9950
© NXP B.V. 2009. All rights reserved.
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