參數(shù)資料
型號: ZPSD312V
廠商: 意法半導(dǎo)體
英文描述: PSD3XX/ZPSD3XX FAMILY LOW COST MICROCONTROLLER PERIPHERALS
中文描述: PSD3XX/ZPSD3XX家庭低的微控制器外設(shè)
文件頁數(shù): 29/85頁
文件大?。?/td> 691K
代理商: ZPSD312V
PSD3XX Famly
26
13.0
Program/Data
Space and the
8031
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:
J
The PSD3XX 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.
J
The SRAM and I/O Ports (including CSIOPORT) can not be placed in program space
only. By default, they are in data space only (Figure 10). However, the SRAM may
be placed in Program and Data Space, as shown in Figure 9.
Figure 9. Combined Address Space
INTERNAL
OE
OE
OE
CS
CS
CS
RD
ADDRESS
PSEN
I/O PORTS
PAD
SRAM
*
EPROM
INTERNAL
OE
OE
OE
CS
CS
CS
RD
ADDRESS
PSEN
I/O PORTS
PAD
SRAM
*
EPROM
Figure 10. 8031-Compatible Separate Code and Data Address Spaces
*
Not available on “R” versions.
*
Not available on “R” versions.
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ZPSD312V-15LI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
ZPSD312V-15LM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral