PAC7366 Datasheet, PDF (19/23 Pages) Pixart Imaging Inc. – NTSC/PAL DIGITAL IMAGE SOC

PAC7366
12. Flash and On-Screen-Dispay
z Flash Devices
Registers can be loaded by Serial Flash or I²C interface.
NTSC/PAL Digital Image SOC
Fig.12.1 I²C and Flash Block Diagram
Table below lists Flash devices, which can support both read and write functions.
Flash Type Density
Mfg
Device
SPI
1 Mbit NUMONYX M25P10-A
SPI
8 Mbit ATMEL AT26DF081A
Speed
50 Mhz
70 Mhz
Temp. Range (℃) Supply Voltage (V)
-40~85
2.3~3.6
-40~85
2.7~3.6
z On-Screen-Display
Up to four overlays may be mixed on each layer simultaneously, and a fifth layer can exist for a number
character overlay. The host can modify image’s size, position, color, transparency and flicker time by
programming register setting.
compressed Images
layer1
layer2
PAC7366
overlay buffers:
2KB each layer
decompress
layer3
flash
layer4
double Buffers
overlay
Fig.12.2 Overlay Channels
layer1 layer2
layer3 layer4
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PixArt Imaging Inc.
E-mail: [e-mail]
V1.10
19
Dec. 2012