VCT 38xxA
ADVANCE INFORMATION
Table 3–16: Command language, continued
Code
Function
Write Parameter
Read Parameter
Notes
Miscellaneous Data Commands
36
Read 8/30 Row
designation code
40 Byte row data
only format 1 and 2 are supported
1st byte of row data is already hamming
decoded
15
53
Read VPS
Read WSS
framing code
counter
13 Byte VPS data
= 51H
= incremented every VPS reception
= biphase decoded VPS bytes 3−15
framing code
counter
13 Byte WSS data
= 78H
= incremented every WSS reception
= 102 WSS elements from group 1 on
54
55
Read CAPTION 1
Read CAPTION 2
counter
6 Byte CAPTION data
= incremented every reception in field 1
= 3x oversampling
counter
6 Byte CAPTION data
= incremented every reception in field 2
= 3x oversampling
19
31
16
Read Rolling Header
Read Rolling Time
Read Quality
24 Byte rolling header
8 Byte rolling time
every row 0 in cycle
using time pointer
updated every VBI
text lines
hamming errors
parity errors
soft errors
18
Read Reset Source
reset source
reset source:
bit0 = clock supervision
bit1 = voltage supervision
bit2 = watchdog
all bits in reset source are reset after
read
46
47
Read Hamming
hamming (8,4) Byte
data
hamming Byte:
bit0−3 = data
bit6
= hamming error
Read Hamming 2
hamming (24,18) 1st Byte
hamming (24,18) 2nd Byte
hamming (24,18) 3rd Byte
address
mode
data
address:
bit0−5 = address
bit7
mode:
= hamming error
bit0−4 = mode
data:
bit0−6 = data
33
Copy Data
source dram bank
source dram high
source dram low
length
copy data from DRAM to DRAM
destination dram bank
destination dram high
destination dram low
Display Commands
17
Read Display Mode
display mode
character set
font mapping
display mode:
bit0 = forced boxing
bit1 = reveal
bit2 = box
bit3 = time hold
bit4 = page hold
bit5 = row 24 hold
bit6 = row 25 hold
bit7 = row 26 hold
08
Display Mode
display mode
character set
font mapping
(18)
(06)
(00)
display mode: see above
character set: 6,38,40,55,70,128
font mapping: 0=latin
1=cyrillic/greek
2=arabic/farsi/hebrew
128=user defined
09
10
Display TTX Pointer
Display Pointer
dram high
dram low
(20)
(00)
page memory is copied to TTX pointer
dram high
dram low
scroll counter
(20)
(00)
(00)
display starts at pointer using scroll
counter as line offset
11
Display Clear
dram high
dram low
clear display bank beginning at pointer
(26 rows * 86 Bytes)
74
Micronas
MICRONAS [ MICRONAS ]
