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參數(shù)資料
| 型號： | ADV7344BSTZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | Multiformat Video Encoder Six 14-Bit Noise Shaped Video DACs |
| 中文描述： | SERIAL INPUT LOADING, 14-BIT DAC, PQFP64 |
| 封裝： | ROHS COMPLIANT, MS-026BCD, LQFP-64 |
| 文件頁數(shù)： | 45/88頁 |
| 文件大?。?/td> | 1078K |
| 代理商： | ADV7344BSTZ |
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ADV7344
ENHANCED DEFINITION/HIGH DEFINITION ONLY
Subaddress 0x01, Bits[6:4] = 001 or 010
Enhanced definition (ED) or high definition (HD) YCrCb data
can be input in either 4:2:2 or 4:4:4 formats. If desired, dual data
rate (DDR) pixel data inputs can be employed (4:2:2 format only).
Enhanced definition (ED) or high definition (HD) RGB data
can be input in 4:4:4 format (single data rate only).
The clock signal must be provided on the CLKIN_A pin. Input
synchronization signals are provided on the P_HSYNC,
P_VSYNC and P_BLANK pins.
16-/20-Bit 4:2:2 YCrCb Mode (SDR)
Subaddress 0x35, Bit 1 = 0; Subaddress 0x33, Bit 6 = 1
In 16-/20-bit 4:2:2 YCrCb input mode, the Y pixel data is input on
Pin Y9 to Pin Y2/Y0, with Y0 being the LSB in 20-bit input mode.
The CrCb pixel data is input on Pin C9 to Pin C2/C0, with C0
being the LSB in 20-bit input mode.
8-/10-Bit 4:2:2 YCrCb Mode (DDR)
Subaddress 0x35, Bit 1 = 0; Subaddress 0x33, Bit 6 = 1
In 8-/10-bit DDR 4:2:2 YCrCb input mode, the Y pixel data is
input on Pin Y9 to Pin Y2/Y0 upon either the rising or falling
edge of CLKIN_A. Y0 is the LSB in 10-bit input mode.
The CrCb pixel data is also input on Pin Y9 to Pin Y2/Y0 upon the
opposite edge of CLKIN_A. Y0 is the LSB in 10-bit input mode.
Whether the Y data is clocked in upon the rising or falling edge
of CLKIN_A is determined by Subaddress 0x01, Bits[2:1] (see
Figure 52 and Figure 53).
Rev. 0 | Page 45 of 88
3FF
00
00
XY
Y0
Y1
Cr0
CLKIN_A
NOTES
1. SUBADDRESS 0x01 [2:1] SHOULD BE SET TO 00 IN THIS CASE.
Figure 52. ED/HD-DDR Input Sequence (EAV/SAV)—Option A
Y[9:0]
Cb0
0
3FF
00
00
XY
Cb0
Cr0
Y1
CLKIN_
A
Y[9:0]
Y0
NOTES
1. SUBADDRESS 0x01 [2:1] SHOULD BE SET TO 11 IN THIS CASE.
0
Figure 53. ED/HD-DDR Input Sequence (EAV/SAV)—Option B
24-/30-Bit 4:4:4 YCrCb Mode
Subaddress 0x35, Bit 1 = 0; Subaddress 0x33, Bit 6 = 0
In 24-/30-bit 4:4:4 YCrCb input mode, the Y pixel data is input on
Pin Y9 to Pin Y2/Y0, with Y0 being the LSB in 30-bit input mode.
The Cr pixel data is input on Pin S9 to Pin S2/S0, with S0 being
the LSB in 30-bit input mode.
The Cb pixel data is input on Pin C9 to Pin C2/C0, with C0
being the LSB in 30-bit input mode.
24-/30-Bit 4:4:4 RGB Mode
Subaddress 0x35, Bit 1 = 1
In 24-/30-bit 4:4:4 RGB input mode, the red pixel data is input
on Pin S9 to Pin S2/S0, the green pixel data is input on Pin Y9 to
Pin Y2/Y0, and the blue pixel data is input on Pin C9 to Pin C2/C0.
S0, Y0, and C0 are the respective bus LSBs in 30-bit input mode.
MPEG2
DECODER
CLKIN_
A
C[9:0]
S[9:0]
Y[9:0]
INTERLACED TO
PROGRESSIVE
YCrCb
ADV7344
P_VSYNC,
P_HSYNC,
P_BLANK
10
Cb
10
Cr
10
Y
3
0
Figure 54. ED/HD Only Example Application
SIMULTANEOUS STANDARD DEFINITION AND
ENHANCED DEFINITION/HIGH DEFINITION
Subaddress 0x01, Bits[6:4] = 011 or 100
The ADV7344 is able to simultaneously process SD 4:2:2 YCrCb
data and ED/HD 4:2:2 YCrCb data. The 27 MHz SD clock
signal must be provided on the CLKIN_A pin. The ED/HD
clock signal must be provided on the CLKIN_B pin. SD input
synchronization signals are provided on the S_HSYNC and
S_VSYNC pins. ED/HD input synchronization signals are
provided on the P_HSYNC, P_VSYNC and P_BLANK pins.
SD 8-/10-Bit 4:2:2 YCrCb and ED/HD-SDR 16-/20-Bit
4:2:2 YCrCb
The SD 8-/10-bit 4:2:2 YCrCb pixel data is input on Pin S9 to
Pin S2/S0, with S0 being the LSB in 10-bit input mode.
The ED/HD 16-/20-bit 4:2:2 Y pixel data is input on Pin Y9 to
Pin Y2/Y0, with Y0 being the LSB in 20-bit input mode.
The ED/HD 16-/20-bit 4:2:2 CrCb pixel data is input on Pin C9
to Pin C2/C0, with C0 being the LSB in 20-bit input mode.
SD 8-/10-Bit 4:2:2 YCrCb and ED/HD-DDR 8-/10-Bit
4:2:2 YCrCb
The SD 8-/10-bit 4:2:2 YCrCb pixel data is input on Pin S9 to
Pin S2/S0, with S0 being the LSB in 10-bit input mode.
The ED/HD-DDR 8-/10-bit 4:2:2 Y pixel data is input on Pin Y9
to Pin Y2/Y0 upon the rising or falling edge of CLKIN_B. Y0 is
the LSB in 10-bit input mode.
The ED/HD-DDR 8-/10-bit 4:2:2 CrCb pixel data is also input
on Pin Y9 to Pin Y2/Y0 upon the opposite edge of CLKIN_B.
Y0 is the LSB in 10-bit input mode.
Whether the ED/HD Y data is clocked in upon the rising or
falling edge of CLKIN_B is determined by Subaddress 0x01,
Bits[2:1] (See the input sequence shown in Figure 52 and
Figure 53).
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