BBK DK2810HD, Service Manual

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Support input & output maximum size: 4096x4096
JPEG case
Input memory layout of source images must be scan line based
Deal with one block line (height:8 / 16) each round
Input maximum size: 65535x65535
Output maximum size: 4096x4096
Support a output scaling window at arbitrary location in an output frame buffer
Y / Cb / Cr separated
(17) External Interface
USB2.0 High Speed (Host/Device)
Memory-Stick, Secure Digital Memory Card, and Multimedia Card Interface
(18) Outline
256-pin LQFP package
3.3/1.8-Volt. Dual operating voltages
3. PIN DESCRIPTION
Pin Main Alt. Type Description
RF Interface ( 21 )
236 RFGND18 Ground Analog ground
237 RFVDD18 Power Analog power 1.8V
256 OSP Analog output RF Offset cancellation capacitor connecting
1 OSN Analog output RF Offset cancellation capacitor connecting
2 RFGC Analog output RF AGC loop capacitor connecting for DVD-ROM
3 IREF Analog Input
Current reference input. It generates reference current for RF
path. Connect an external 15K resistor to this pin and AVSS.
4 AVDD3 Power Analog power 3.3V
5 AGND Ground Analog ground
6 DVDA Analog Input AC coupled input path A
7 DVDB Analog Input AC coupled input path B
8 DVDC Analog Input AC coupled input path C
9 DVDD Analog Input AC coupled input path D
10 DVDRFIP Analog Input AC coupled DVD RF signal input RFIP
11 MA Analog Input DC coupled main-beam RF signal input A
12 MB Analog Input DC coupled main-beam RF signal input B
13 MC Analog Input DC coupled main-beam RF signal input C
14 MD Analog Input DC coupled main-beam RF signal input D