MB87P2020 Datasheet, PDF (327/356 Pages) Fujitsu Component Limited. – Colour LCD/CRT/TV Controller

Command Description
Table 3-1: Command List
Mnemonic Code Device
PutPxFC 09h MAU
Function
Set fixed coloured pixels in Video RAM at
appropriate adresses (infinite command).
Colour is defined by PIXCOL register.
Source:
IFIFO with pixel adresses
n*([L,X,Y]), n = number of pixels
Registers
PIXCOL
PPCMD_EN
IFIFO
Target:
Addressed pixels in Video RAM.
GetPixel
0Ah MAU
Note:
Only the relevant bits of PIXCOL register
are used (depends on the colour depth).
Read pixel data from Video RAM (infinite
command).
Source:
IFIFO with pixel addresses,
n*([L,X,Y]), n = number of pixels.
Video RAM with pixel data from pixel
address.
IFIFO
OFIFO
XChPixel 0Bh MAU
Target:
OFIFO, n*([single colour data]).
Transfer single pixel data into Video RAM
and read the old value from Video RAM
(infinite command).
IFIFO
OFIFO
Source:
IFIFO with pixel address/data pairs,
n*([L,X,Y],[single colour data]),
n = number of pixels.
Old pixel data from Video RAM.
Target:
Video RAM for new pixel from IFIFO.
OFIFO for old pixel from Video RAM.
Command Description
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