參數(shù)資料
型號: TDA9989ET
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA64
封裝: 4.50 X 4.50 MM, 0.80 MM HEIGHT, PLASTIC, SOT-962-3, TFBGA-64
文件頁數(shù): 11/48頁
文件大?。?/td> 226K
代理商: TDA9989ET
TDA9989_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 11 June 2009
19 of 48
NXP Semiconductors
TDA9989
HDMI 1.3a transmitter with CEC support
7.2.3.8
YCbCr 4:2:2 semi-planar embedded synchronization (rising edge)
7.2.4 Synchronization
The TDA9989 can be synchronized with HSYNC/VSYNC external inputs or with extraction
of the sync information from embedded sync (SAV/EAV) codes inside the video stream.
7.2.4.1
Timing extraction generator
This block can extract the synchronization signals HREF, VREF and FREF from Start
Active Video (SAV) and End Active Video (EAV) in case of embedded synchronization in
the data stream.
Synchronization signals can be embedded in YCbCr 4 :2:2 ITU656 (up to 1
× 12-bit)
and YCbCr 4:2:2 semi-planar (up to 2
× 12-bit).
7.2.4.2
Data enable generator
TDA9989 contains a Data Enable (DE) generator; this can generate an internal DE signal
for a system which does not provide one.
Table 14.
YCbCr 4 : 2 : 2 semi-planar embedded synchronization input (rising edge) mapping
Register VIP_CNTRL_0 = 23h; VIP_CNTRL_1 = 50h; VIP_CNTRL_2 = 14h.
Video port A
Video port B
Video port C
Control
Pin
YCbCr 4:2:2
semi-planar
Pin
YCbCr 4 : 2 : 2
semi-planar
Pin
YCbCr 4 :2:2
semi-planar
Pin
YCbCr 4 : 2 : 2
VPA[0]
Y0[0]
Y1[0]
VPB[0]
Y0[4]
Y1[4]
VPC[0]
Cb[4]
Cr[4]
HSYNC/HREF
not used
VPA[1]
Y0[1]
Y1[1]
VPB[1]
Y0[5]
Y1[5]
VPC[1]
Cb[5]
Cr[5]
VSYNC/VREF
not used
VPA[2]
Y0[2]
Y1[2]
VPB[2]
Y0[6]
Y1[6]
VPC[2]
Cb[6]
Cr[6]
DE/FREF
not used
VPA[3]
Y0[3]
Y1[3]
VPB[3]
Y0[7]
Y1[7]
VPC[3]
Cb[7]
Cr[7]
VPA[4]
Cb[0]
Cr[0]
VPB[4]
Y0[8]
Y1[8]
VPC[4]
Cb[8]
Cr[8]
VPA[5]
Cb[1]
Cr[1]
VPB[5]
Y0[9]
Y1[9]
VPC[5]
Cb[9]
Cr[9]
VPA[6]
Cb[2]
Cr[2]
VPB[6]
Y0[10]
Y1[10]
VPC[6]
Cb[10]
Cr[10]
VPA[7]
Cb[3]
Cr[3]
VPB[7]
Y0[11]
Y1[11]
VPC[7]
Cb[11]
Cr[11]
Fig 12. Pixel encoding YCbCr 4 : 2 : 2 semi-planar embedded synchronization input (rising edge)
001aai450
Y5[11:0]
...
Y4[11:0]
Y3[11:0]
Y2[11:0]
Y1[11:0]
Y0[11:0]
Cr4[11:0]
...
Cb4[11:0]
Cr2[11:0]
Cb2[11:0]
Cr0[11:0]
Cb0[11:0]
VPB[7:0]; VPA[3:0]
VCLK
VPC[7:0]; VPA[7:4]
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