參數(shù)資料
型號(hào)： 84C44X
廠商： NXP Semiconductors N.V.
英文描述： 8-bit microcontrollers with OSD and VST
中文描述： 8 - OSD和偉仕位微控制器
文件頁(yè)數(shù)： 26/38頁(yè)
文件大小： 265K
代理商： 84C44X
October 1994
27
Philips Semiconductors
Product specification
8-bit microcontrollers with OSD and VST
84C44X; 84C64X; 84C84X
12.7
OSD display position
12.7.1
V
ERTICAL POSITION
The line number of the vertical start position for:
Row 0 is 4
×
(VP00
→
VP05)
Row 1 is 4
×
(VP10
→
VP15).
Where:
(VP00
→
VP05) = the decimal value of VP00
→
VP05
(VP10
→
VP15) = the decimal value of VP10
→
VP15.
The character height in:
Row 0 is H0 and is a function of the number of dots per
character and the state of the size control bits
SZ00 and SZ01
Row 1 is H1 and is a function of the number of dots per
character and the state of the size control bits
SZ10 and SZ11.
Row 0 and Row 1 must not overlap each other and
therefore: VP1
≥
(VP0 + H0); see Fig.25.
The four possible character heights are shown in Table 23.
12.7.2
H
ORIZONTAL POSITION
The horizontal start position (HP) of,
Row 0:
Row 1:
Where:
(HP00
→
HP05) = the decimal value of HP00
→
HP05
and (HP00
→
HP05) > 10
(HP10
→
HP15) = the decimal value of HP10
→
HP15
and (HP10
→
HP15) > 10
t
OSCD
= one OSCD clock period.
Therefore for both Row 0 and Row 1,
HP0, HP1
≥
45
×
t
OSCD
.
HP0
4
HP00
HP05
→
(
)
×
5
t
OSCD
×
+
=
HP1
4
HP10
HP15
→
(
)
×
5
t
OSCD
×
+
=
ok, full pagewidth
ROW 0 CHARACTERS
VP0
HP0
H0
HP1
VP1
MCD183
ROW 1 CHARACTERS
Fig.25 Display position.
Fig.26 Background versus no background.
handbook, halfpage
with background
without background
MCD182
相關(guān)PDF資料
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