M306V2 Mitsubishi, M306V2 Datasheet - Page 192

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

192
Figure 2.16.18 Relation between field determination flag and display font
When using the field determination flag, set bit 7 of the peripheral mode register (address 027D
Both H
V
V
control
signal
in microcom-
puter
Upper :
Lower :
V
V
signal in
micro-
computer
SYNC
SYNC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
SYNC
SYNC
Note : The field determination flag changes at a rising edge of the V
1
2
3
4
5
6
7
8
9
H
SYNC
SYNC
1
and
signal
control
the microcomputer.
2
signal and V
3
4
(n - 1) field
(Odd-numbered)
(n) field
(Even-numbered)
(n + 1) field
(Odd-numbered)
CC mode · CDOSD mode
5
6
SYNC
7
signal are negative-polarity input
8
9
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
10
11
T1
T2
T3
OSD ROM font configuration diagram
12
13
14
15
0.5 to 0.1 [ms] at
f(BCLK) = 10 MHz
16
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
SYNC
1
Even
Field
When the display dot line selection bit is “0,”
the “
“
I/O polarity control register can be read as the
field determination flag : “1” is read at odd field,
“0” is read at even field.
Odd
Odd
2
control signal (negative-polarity input) in
3
” font is displayed at odd field. Bit 7 of the
4
” font is displayed at even field, the
Field
determination
flag(Note)
0 (T2 > T1)
1 (T3 < T2)
5
6
and ON-SCREEN DISPLAY CONTROLLER
7
OSDS mode
16
8
MITSUBISHI MICROCOMPUTERS
) according to the main clock frequency.
9
Display dot line
selection bit
M306V2ME-XXXFP
10
11
0
1
0
1
12
13
M306V2EEFP
14
15
Display dot line
16
Dot line 1
Dot line 0
Dot line 0
Dot line 1
Rev. 1.0