X1000&S900 Series Memory Structure - Sony VPL-S900U Service Manual

3-3. X1000&S900 SERIES MEMORY STRUCTURE
ROM in CPU: 128 kbyte Flash Memory
RAM in CPU: 4 kbyte
External NVM Memory: 2 kbyte FRAM Memory × 2
CPU ROM
Set Memory
Status Memory (Video 60)
(Video 50)
Status Memory (Input-A Preset Memory)
3
50
Status Memory (Input-A User Memory)
51
70
Ch Memory (Video)
(S-Video)
(Input-B)
(Input-A)
Video Memory (NTSC)
(PAL/SECAM)
(15 k Component)
Gamma Memory (Graphics)
(Text)
W/B Memory (Video/High)
(Video/Low)
(Input-A/High)
(Input-A/Low)
Reso Memory (VIDEO 60 Hz)
(VIDEO 50 Hz)
(15 k 60 Hz)
(15 k 50 Hz)
(HDTV)
(640 X 350)
(640 X 400)
(640 X 480)
(800 X 600)
(832 X 624)
(1024 X 768)
(1024 X 750)
(1152 X 864)
(1152 X 870)
(1152 X 900)
(1280 X 960)
(1280 X 1024)
The memory structure of X1000 & S900 Series basically
follows 600 Series and is divided into the following
memory blocks:
1. Set memory
2. Status memory
3. Channel memory
4. Video memory
5. Gamma memory
6. W/B memory
7. Reso Memory
VPL-S900E, VPL-S900M, VPL-S900U
FRAM
Set Memory
Status Memory (Video 60)
(Video 50)
Status Memory (Input-A Preset Memory)
3
50
Status Memory (Input-A User Memory)
51
70
Ch Memory (Video)
(S-Video)
(Input-B)
(Input-A)
Video Memory (NTSC)
(PAL/SECAM)
(15 k Component)
Gamma Memory (Graphics)
(Text)
W/B Memory (Video/High)
(Video/Low)
(Input-A/High)
(Input-A/Low)
Reso Memory (VIDEO 60 Hz)
(VIDEO 50 Hz)
(15 k 60 Hz)
(15 k 50 Hz)
(HDTV)
(640 X 350)
(640 X 400)
(640 X 480)
(800 X 600)
(832 X 624)
(1024 X 768)
(1024 X 750)
(1152 X 864)
(1152 X 870)
(1152 X 900)
(1280 X 960)
(1280 X 1024)
Initialize
The X1000 & S900 Series differs from the 600 Series as
follows.
1. The memory is divided into the VIDEO system memory
(including 15 k Component/HDTV) system and the RGB
system memory in the "6. W/B Memory".
2. "7. Reso Memory" is added.
CPU RAM
Set Memory
Status Memory
Ch Memory
Video Memory
Gamma Memory
W/B Memory
Reso Memory
Memory
Active Memory Copy
3-3