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ST92195D bảng dữ liệu(PDF) 117 Page - STMicroelectronics

tên linh kiện ST92195D
Giải thích chi tiết về linh kiện  48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER
PDF  249 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST92195D bảng dữ liệu(HTML) 117 Page - STMicroelectronics

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ST92195C/D - ON SCREEN DISPLAY (OSD)
ON SCREEN DISPLAY (Cont’d)
7.4.6.3 Building a Serial Mode, 40-Char, Line
Mode Display
Half-Page Location
The 0.5 Kbyte block of half-page content is stored
in the TDSRAM location pointed to by the
PG3..PG0 bits.
Header & Status Rows Location
The 0.5 Kbyte block containing the Header, Status
Row 0 and Status Row 1 is pointed to by the
HS3..HS0 bits. The Row attribute (row count) is
stored in this block at offset 100h and contains 12
bytes for line mode (see DCM1R register descrip-
tion).
Row Scrolling Buffer Location
The scrolling buffer corresponds to Row 12 when
the scrolling feature is used (in this case 11 rows
are scrolled).
Figure 73. Serial (40 Characters) Line Mode Mapping
0.5K TDSRAM
Row 1
Row 11
Row 12/ Scrolling Buffer
Free Space
Resolution 0.5K bytes
See Figure 70 on
page 115 for
Address Values
0.5K TDSRAM
Header Char.
Resolution 0.5K bytes
Status Row 0
Status Row 1
Free Space
Row Attr.
Free Space
100h
Block
Number
(0.5K)
TDSRAM
Address
(hex.)
TDPR
Value
(Hex.)
PG3..PG0
0
8000
0
1
8200
1
2
8400
2
3
8600
3
4
8800
4
5
8A00
5
6
8C00
6
7
8E00
7
8
9000
8
9
9200
9
10
9400
A
11
9600
B
12
9800
C
13
9A00
D
14
9C00
E
15
9E00
F
6K
2K
8K



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