PSD501B1-C-90UI 查看數據表（PDF） - STMicroelectronics
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PSD501B1-C-90UI Datasheet PDF : 153 Pages
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Memory
Block
(Cont.)
Figure 27a. 8031 Memory Modes
DPLD
PSEN
SRCODE – EN
ES0
ES1
ES2
ES3
EPROM
RS0
OE
RD
SEPARATE SPACE MODE
PSD5XX Family
SRAM
OE
Figure 27b. 8031 Memory Modes
RD
PSEN
DPLD
RD
PSEN
SRCODE – EN
ES0
ES1
ES2
ES3
EPROM
RS0
OE
RD
COMBINED SPACE MODE
SRAM
OE
55
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