VCT38XXA Datasheet, PDF (75/172 Pages) Micronas – Video/Controller/Teletext IC Family

ADVANCE INFORMATION
VCT 38xxA
Table 3–16: Command language, continued
Code Function
13
Display Time Pointer
26
Display Page Request
Write Parameter
dram high
(20)
dram low
(20)
magazine number
page number
subpage number high
subpage number low
display delay
(1E)
Read Parameter
24
Read Display Page
magazine number
page number
subpage number high
subpage number low
48
Display Column
dram high
dram low
length
Byte list
...
49
Display Fill
dram high
dram low
length
character
56
OSD Font Pointer
font mode
(00)
font pointer high
font pointer low
extension font pointer high
extension font pointer low
57
Display Read Column
dram high
dram low
length
Byte list
...
58
User Character Set
language 000
(00)
language 001
(01)
language 010
(02)
language 011
(03)
language 100
(04)
language 101
(05)
language 110
(06)
language 111
(07)
59
User ESC Character Set
esc language 000 (00)
esc language 001 (00)
esc language 010 (00)
esc language 011 (00)
esc language 100 (00)
esc language 101 (00)
esc language 110 (00)
esc language 111 (00)
60
Full Row Attribute
full row attribute
number of rows
start row
61
User Mapping
32 Byte mapping data
Notes
8 Byte time string from packet x/00 is
copied to time pointer
magazine number:
bit0−3 = magazine number
bit4 = change display delay
bit5 = display clear (on update)
bit6−7 = not used
subpage number:
F0xx for rolling subpages
display delay:
delay after row 0 reception in steps
of 3.24ms (255 = no update)
only used if bit4 = 1
current page in display
write to dram with increment of 86 Bytes
= number of bytes in list
repeated write of 1 character to dram
= number of repeated writes
font mode:
bit0 = 0 = reset OSD font 2 pointer
bit0 = 1 = load OSD font 2 pointer
with following parameters
read from dram with increment of
86 Bytes
= number of Bytes to read
If character set 128 is selected via
command 08 “Display Mode”, these 8
languages will be selected by option bits
C14,C13,C12 when ESC code is
inactive.
If character set 128 is selected via
command 08 “Display Mode”, these 8
languages will be selected by option bits
C14,C13,C12 when ESC code is active.
set full row attribute of specified rows
without changing level 2 bit
32 Bytes are copied into mapping ram
via I/O page register 0276H
Micronas
75