PAC7366

NTSC/PAL Digital Image SOC

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

19

PixArt Imaging Inc.

V1.10

Dec. 2012

12. Flash and On-Screen-Dispay

Flash Devices

Table below lists Flash devices, which can support both read and write functions.

Flash Type

Density

Mfg

Device

Speed

Temp. Range (℃)

Supply Voltage (V)

SPI

1 Mbit

NUMONYX

M25P10-A

50 Mhz

-40~85

2.3~3.6

SPI

8 Mbit

ATMEL

AT26DF081A

70 Mhz

-40~85

2.7~3.6

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

layer4

layer3

layer2

flash

double Buffers

overlay buffers:

2KB each layer

decompress

overlay

PAC7366

layer1

layer2

layer3

layer4

Fig.12.2 Overlay Channels