參數(shù)資料
型號(hào): SAA5532PS/NNNN
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
封裝: 0.600 INCH, PLASTIC, SDIP-52
文件頁(yè)數(shù): 25/100頁(yè)
文件大?。?/td> 412K
代理商: SAA5532PS/NNNN
2000 Feb 23
30
Philips Semiconductors
Preliminary specication
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
8.7
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.
8.7.1
AUXILIARY RAM PAGE SELECTION
The Auxiliary RAM page pointer is used to select one of
the 256 pages within the Auxiliary RAM, not all pages are
allocated; refer to Fig.11 for further detail. A page consists
of 256 consecutive bytes.
handbook, halfpage
GSA084
DISPLAY RAM
FOR
CLOSED CAPTION (3)
upper 32 kbytes
lower 32 kbytes
FFFFH
845FH
8000H
DYNAMICALLY
REDEFINABLE
CHARACTERS
DISPLAY REGISTERS
8BFFH
8C00H
8800H
87FFH
87F0H
CLUT
871FH
8700H
DISPLAY RAM
FOR
TEXT PAGES (2)
DATA RAM (1)
47FFH
4800H
7FFFH
2000H
07FFH
0000H
84FFH
8460H
ADDITIONAL DATA RAM
Fig.10 Auxiliary RAM allocation.
(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.
相關(guān)PDF資料
PDF描述
SAA5551PS/NNNN 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
SAA5500PS/NNNN 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
SAA6703AH CRT OR FLAT PNL GRPH DSPL CTLR, PQFP160
SAA7157T-T 29 MHz, VIDEO CLOCK GENERATOR, PDSO20
SAA7388GP-T 8-BIT, 50.4 MHz, MICROCONTROLLER, PQFP80
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