ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 35

• Manufacturer Part Number: ak8825
• Description: Hd/sd Multi Format Video Encoder With 3ch Dac
• Manufacturer: AKM Semiconductor, Inc.

(1) YCbCr 8bit Data Input Format
(R/W) [Sub Address 0x00] or SD Block Control Register (R/W) [Sub Address 0x11]
Rev-E-00
In case of 525i / 625i Data Input, this forma is used. Data clock is 27MHz.
DATA7-DATA0 pins are used as Data Input pins. The order of YCbCr data should be fed Cb[7:0] / Y[7:0] / Cr[7:0] / Y[7:0].
Yn / Cbn / Crn means Y[n] / Cb[n] / Cr[n] in following table.
D17 - D0 corresponds to DATA17 - DATA0 pins
The Register setting is defined as following table.
[I/O Data Fromat Register] Setting
Output signal is set CONVMOD[1:0]-bit of I/O Data Format Register (R/W) [Sub Address 0x0B] and HD Mode Register
D17
DATA[7:0]
-
(27MHz)
CLKIN
INPFMT[1:0]-bit
D16
-
00
D15
-
Cb
D14
-
Y
･･･
D13
-
DTFMT-bit
･･･
D12
-
0
Cb
D11
n
-
Y
2n
D10
-
Cr
8bit YCbCr Data Input
n
D9
Fig. 25
Y
-
35
2n+1
Note
Cb
D8
-
n+1
Y
Cb7
Cr7
D7
2n+2
Y7
Cr
Cb6
Cr6
n+1
D6
Y6
Y
2n+3
Cb5
Cr5
D5
Y5
Cb
n+2
Cb4
Cr4
D4
Y4
Y
2n+4
Cb3
Cr3
D3
Y3
Cr
n+2
Cb2
Cr2
･･･ ･･･
D2
Y2
Cb1
Cr1
D1
Y1
2008/03
[AK8825]
Cb0
Cr0
D0
Y0