Table of Contents
Advertisement
18.1.2
Block Diagram
This section shows the OSDC block diagram.
■ Block Diagram
Figure 18.1-1 shows the block diagram of the OSDC and peripheral units.
FLASH
RAM
F-bus
RAM
RAM
Figure 18.1-1 Block Diagram
Font data
(MAIN/CC)
Font I/F
VRAM data
(MAIN)
VRAM I/F
OSDCM209
VRAM data
(CC)
VRAM I/F
OSDC register control
signal
Interrupt
To CPU
DAC
DAC control
signal
Digital RGB
Display period signal
PLLA
PLLA control
signal
PLLB
PLLB control
signal
PLLC
PLLC control
signal
CHAPTER 18 OSDC
VREF
VRO
VDDR
VSSR
VDDG
VSSG
VDDB
VSSB
ROUT
GOUT
BOUT
R[2:0]
G[2:0]
B[2:0]
VOB1
VOB2
DCKO
DOCKI
FH
SLYCLKA
SLYCLKB
VSYNC
HSYNCA
HSYNCB
HSYNCC
CPOA
VGSA
VDDIA (8: For PLL)
CPOB
VGSB
VDDIB (8: For PLL)
CPOC
VGSC
VDDIC (8: For PLL)
457
Advertisement
Table of Contents
