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参数资料
| 型号： | ST6382B1/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, MICROCONTROLLER, PDIP42 |
| 封装： | PLASTIC, SDIP-42 |
| 文件页数： | 44/82页 |
| 文件大小： | 1651K |
| 代理商： | ST6382B1/XXX |
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Obsolete
Product(s)
- Obsolete
Product(s)
49/82
ST6388, ST63E88, ST63T88
4.8 ON-SCREEN DISPLAY (OSD)
The OSD macrocell is a CMOS LSI character gen-
erator which enables display of characters and
symbols on the TV screen. The character rounding
function enhances the readability of the charac-
ters. The OSD macrocell receives horizontal and
vertical synchronization signal and outputs screen
information via R, G, B and blanking pins.
The main characteristics of the macrocell are list-
ed below
– Number of display characters: 8 lines by 20 col-
umns.
– Number of character types: 192 characters in
one bank.
– Character size: Four character heights (18H,
36H, 54H, 72H), programmable by line.
– Character format: 14x18 dots with character
rounding function.
– Character colour: Eight colours available pro-
grammable by word.
– Display position: 63 horizontal positions pro-
grammable by 2/fOSC and 63 vertical positions
programmable by 4H
– Word spacing: 64 positions programmable from
2/fOSC to 128/fOSC
– Line spacing: 63 positions programmable from 4
to 252 H with two line spacing values per screen.
– Background: No background, square back-
ground or fringe background. The presence of
background is programmable by word, the mode
(fringe or square) being the same for the entire
screen.
– Background colour: Two types selected by word
from a palette of eight colours. The palette is pro-
grammable by screen.
– Display output: Three video signal output termi-
nals (R,G,B) and a blank output terminal.
– Display on/off: Display data may be programmed
on or off by word or entire screen. The entire
screen may be blanked.
– Full screen background: Background on the en-
tire TV screen, one of eight colours available,
with normal text display possible.
4.8.1 Format Specification
The entire display can be turned on or off through
the use of the global enable bit or the display may
be selectively turned on or off by word. To turn off
the entire display, the global enable bit (GE)
should be zero. If the global enable bit and the
OSD ram enable bit are one, the display is control-
led by the word enable bit (WE). The global enable
bit and the OSD ram enable bit are located in the
global enable register and the word enable bit is
located in the space character preceding the word.
Each line must begin with a format character
which describes the format of that line and of the
first word. This character is not displayed.
A space character defines the format of the subse-
quent word. A space character is denoted by a pair
of one in bits 7 (MSB) and 6 of the character regis-
ter in the display RAM. If bit 7 and 6 of a character
register are different from “11”, the 8 bits of the
character register are used as an index which se-
lects the desired character font from the 192 char-
acters ROM.
The character colour and background can be pro-
grammed by word. This information is encoded in
the space character between words or in the for-
mat character at the beginning of each line. Four
bits define the colour and background of the fol-
lowing word.
Characters are defined in a 14 x 18 dots format.
One dot is defined vertically as 1H (horizontal line)
per field (2H per frame) and horizontally as 1/fOSC
if the smallest character size is enabled. The
rounding function is not available for the smallest
character size. For the other sizes, the rounding
function could be disabled by the rounding disable
bit (RDIS). There is no space between characters
or lines if the vertical space enable (VSE) and hor-
izontal space enable (HSE) bits are both zero.
This allows the use of special graphic characters
(combination of two or more characters).
The normal alphanumeric character set is format-
ted to be 13 x 16 with one empty row at the top and
one at the bottom and one empty column at the
right. If VSE and HSE are both zero, then the
spacing between alphanumeric characters is 1 dot
and the spacing between lines of alphanumeric
characters is 4H per frame.
相关PDF资料 |
PDF描述 |
|---|---|
| ST6386B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6388B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6387B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6394B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
| ST6399B1 | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST6382B4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6383 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6383B1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6383B4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
| ST6385 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCUs WITH ON-SCREEN-DISPLAY FOR TV TUNING |
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