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ST92185B 数据表(PDF) 84 Page - STMicroelectronics

部件名 ST92185B
功能描述  16K/24K/32K ROM HCMOS MCU WITH ON-SCREEN-DISPLAY
PDF  178 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST92185B 数据表(HTML) 84 Page - STMicroelectronics

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ST92185B - DISPLAY STORAGE RAM INTERFACE
7.3 DISPLAY STORAGE RAM INTERFACE
7.3.1 Introduction
The Display RAM (TDSRAM) is used to hold the
OSD data for display.
It can be shared by the following units:
– Display Unit (DIS). This OSD generator is de-
scribed in a separate chapter.
– CPU accesses for control.
The necessary time slots are provided to each unit
for realtime response.
FEATURES:
s
Memory mapped in CPU Memory Space
s
Direct CPU access without significant slowdown
Figure 48. General Block Diagram
VR02094B



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