ST92195D datasheet(119/249 Pages) STMICROELECTRONICS

Part #	ST92195D

Description	48-96 Kbyte ROM HCMOS MCU WITH ON-SCREEN DISPLAY AND TELETEXT DATA SLICER

PDF	249 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

119 / 249 page

119/249

ST92195C/D - ON SCREEN DISPLAY (OSD)

ON SCREEN DISPLAY (Cont’d)

7.4.6.5 Building a Serial Mode, 80 Char, Full

Page Display

Half-Page Location

The pair of adjacent 1 Kbyte blocks of page con-

tent is stored in the TDSRAM location pointed to

by the PG3..PG0 bits. The first block contains the

left side of the page, the second block contains the

right side of the page.

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.

Row Scrolling Buffer Location

The scrolling buffer corresponds to the 40 bytes

following the Row 23 when the scrolling feature is

used.

Figure 75. Serial Mode (80 Characters) - Page Mapping

See Figure 70 on page 115 for Ad-

1K TDSRAM

Row 1 Left

Row 23

Resolution 2K bytes

1K TDSRAM

Row 1 Right

See Figure 71 on page 116 for Ad-

Row 23

0.5K TDSRAM

Header

Resolution 0.5K bytes

Status Row 0

Status Row 1

Free Space

Scrolling Buffer

ST92195D Datasheet(PDF) 119 Page - STMicroelectronics