參數(shù)資料
型號(hào)： PSD211RL
廠商： 意法半導(dǎo)體
英文描述： Low Cost Field Programmable Microcontroller Peripherals
中文描述： 低成本現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備
文件頁數(shù)： 23/51頁
文件大?。?/td> 348K
代理商： PSD211RL
PSD211R Famly
20
13.0
Program/Data
Space and the
8031
Figure 9. Combined Address Space
INTERNAL
OE
EPROM
OE
CS
CS
I/O PORTS
RD
ADDRESS
PSEN
PAD
Figure 10. 8031-Compatible Separate Code and Data Address Spaces
INTERNAL
OE
OE
CS
CS
RD
ADDRESS
PSEN
I/O PORTS
PAD
EPROM
This section only applies to users who have an 8031 or compatible MCU that outputs a
signal such as PSEN when accessing program space. If this applies to you, be aware of the
following: the PSD211R can be configured using PSDsoft such that the EPROM is either 1)
accessed by PSEN only (Figure 10); or 2) accessed by PSEN or RD (Figure 9). The default
is PSEN only unless changed in PSDsoft.
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