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參數(shù)資料
| 型號(hào)： | TDA19989AET |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | 150 MHz pixel rate HDMI 1.4 transmitter with 3 x 8-bit video inputs, HDCP and CEC support |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA64 |
| 封裝： | 4.50 X 4.50 MM, 0.95 MM HEIGHT, PLASTIC, SOT-962-3, TFBGA-64 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大小： | 61K |
| 代理商： | TDA19989AET |
AN10920_1
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Application note
Rev. 01 — 19 April 2010
4 of 8
NXP Semiconductors
AN10920
Using CEC with TDA19989
3. CEC data registers
CEC message data must be transferred contiguously and not in fragments. This requires
the CEC data registers in the TDA19989 to be written or read in one communication
sequence between a START bit and a STOP bit. The CEC data registers are located at
addresses 07h to 19h.
Message transfers
must
always start from the first CEC data register CDR[0] at address
07h.
The maximum CEC message length supported is 16 bytes.
Fig 1.
CEC internal clock calibration process
001aal816
Start
Power up
No
Yes
Host processor selects FRO as CEC clock instead
of external clock
Configure Host processor's interrupt pin connected
to INT_HDMI port of TDA19989AET as an output
Host processor configures TDA19989AET in
calibration mode
Host processor sends 10 ms
±
1 % LOW pulse(1) on
INT_HDMI signal
TDA19989AET automatically divides FRO clock to
12 MHz
Host processor deselects calibration mode on
TDA19989AET (INT_HDMI is now an output)
Host processor configures its interrupt pin connected
to INT_HDMI port of TDA19989AET as input
10 ms
End of calibration
(1)
t
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA19989AET/C181,5 | 功能描述:視頻 IC 150MHZ PIXEL HDMI 1.4 TRANSMITTER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TDA19989AET/C181’5 | 功能描述:視頻 IC 150MHZ PIXEL HDMI 1.4 TRANSMITTER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TDA19989AET/C185,5 | 功能描述:視頻 IC 150MHZ PIXEL RATE HDMI 1.3 TRANSMITTER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TDA19989AET/C185,518 | 制造商:NXP Semiconductors 功能描述: |
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