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(2) 640 x 400 dots display mode
Option I
( 4 8 K b y t e )
# 4 0 0 0
16 bits structure
# 3 KKK
* 0 0 0 0
Option II
(96K byte)
16 bits s t r u c t u r e
(
B F F F
# 8 0 0 0
# 4 0 0 0
# 0 0 0 0
16K
16K
#3FFF
# 0 0 0 0
# 3 F F F
# 0 0 0 0
M Z 3500
B/W:
1 frame
Color: 1 frame
Color can be
i
designated for
sach character.
16K
B/W:
3 frames
Color: 1 frame
16bit
1 6 b i t
1 6 b i t
16K
16bit
5) Synchronize signal timing
(1)
For 640 x 200 dots display mode
fH = 15.87kHz
fV =
60 Hz
X : Y - 1 : 2
Dot clock (OD)
2XCCLK
Horizontal display time
HFP
HS
HBP
Vertical display time
VFP
VS
VBP
GDC-1 (80 digits)
Character display (40 digits)
(16MHz)
( 8MHz)
(4MHz)
<2MHz>
40MS
?A«
6>js
10/js
1 2.6ms
1.2ms
1 ms
1.8ms
GDC-2
8 bits
16MHz
4MHz
-
•^(14
Chr.)
(1?Chr )
(tREF-0.8ms)
- (20 Chr.)
-
-
-
-
graphic)
16 bits
16MHz
2MHz
-
10MS
5^s
( t R E F = 1.6ms)
8ns
-
j
-
-
Total rasters: 261 rasters
Display raster: 200 rasters
—-1
r~-
•—n.
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