參數(shù)資料
型號(hào): TDA935X
廠商: NXP Semiconductors N.V.
英文描述: TV signal processor-Teletext decoder with embedded m-Controller
中文描述: 電視信號(hào)處理器與嵌入式米圖文電視解碼器控制器
文件頁數(shù): 29/140頁
文件大小: 570K
代理商: TDA935X
Philips Semiconductors
Preliminary specification
1999 Sep 28
29
TV signal processor-Teletext decoder with
embedded
μ
-Controller
TDA 935X/6X/8X series
External (Auxiliary) Memory
The normal 80C51 external memory area has been mapped internally to the device, this means that the MOVX
instruction accesses memory internal to the device.
Figure 11 Auxiliary RAM allocation
Data RAM
(1)
0000H
2000H
7FFFH
8000H
845FH
Display RAM
for
Closed Caption
(3)
8700H
871FH
CLUT
87F0H
87FFH
Display Registers
8800H
8BFFH
Dynamically
Redefinable
Characters
Lower 32K bytes
Upper 32K bytes
FFFFH
(1) Amount of Data RAM depends on device
(2) Amount of Display RAM depends on the device
(3) Display RAM for Closed Caption and Text is shared
47FFH
Display RAM
for
TEXT PAGES
(2)
07FFH
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