Reference Guide

Purpose Buffer of video decoder
How is data input to this
memory?
Video is received by video decoder chip (CVBS
processor) and processed in SDRAM.
How is this memory write
protected?
No write protect mechanism
DDR2 SDRAM
H5XXXXXXXX
Size
32 x 16 Mbit
Type [e.g. Flash PROM,
EEPROM]
DDR2 SDRAM
Volatility Volatile
Can user programs or
operating system write data
to it during normal
operation?
No
Purpose
Buffer for video processing
How is data input to this
memory?
Video is received by monitor core chip and
processed in SDRAM.
How is this memory write
protected? No write protect mechanism
System EEPROM
ATXXXXXXX
Size 32 Kbit
Type [e.g. Flash PROM,
EEPROM]
EEPROM
Volatility
Non-volatile
Can user programs or
operating system write data
to it during normal
operation?
Yes
Purpose
Storage of system setting(OSD)
How is data input to this
memory?
Controls the OSD menu and changes the OSD
settings (ex. Brightness, contrast, color setting) and
the settings will be stored into system EEPROM
How is this memory write
protected?
Software write protected
VGA EDID EEPROM
M24XXXXXXXXX
Size
2Kbit
Type [e.g. Flash PROM,
EEPROM]
EEPROM
Volatility
Non-volatile