參數(shù)資料
型號(hào)： PSD401A2-C-70L
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)： 75/123頁
文件大?。?/td> 657K
代理商： PSD401A2-C-70L
PSD4XX Famly
72
10.0
Page
Register
The PSD4XX has a programmable security bit which offers protection from unauthorized
duplication. When the security bit is set, the contents of the EPROM, the PSD4XX
non-volatile configuration bits and ZPLD data cannot be read by EPROM programmers.
The security bit is set through the PSDsoft Software and is embedded in the compiled
output file. The security bit is UV erasable and a secured part can be erased and then
re-programmed.
11.0
Security
Protection
Figure 35. Page Register
DPLD
RS0
GPLD
ZPLD
ES0 – 3
PGR0
PGR1
PGR2
PGR3
R/W
D0
D0 – D3
D1
D2
D3
Q0
Q1
Q2
Q3
PAGE
REG.
RESET
The Page Register is 4 bits wide and consists of four D flip flops.The outputs of the Register
(PGR0 – PGR3) are connected to the input bus of the ZPLD. By including the four outputs
as inputs to the DPLD, the addressing capability of the microcontroller is increased by a
factor of 16.
Figure 37 shows the Page Register block diagram. Inputs to the four flip flops are connected
to data bus D0-D3. The output of the Register can be read by the microcontroller. The
Register can operate as an independent register to the microcontroller if page mode is not
implemented.
相關(guān)PDF資料
PDF描述
PSD401A2-C-70U Low Cost Field Programmable Microcontroller Peripherals
PSD401A2-C-90JI Low Cost Field Programmable Microcontroller Peripherals
PSD401A2-C-90UI Low Cost Field Programmable Microcontroller Peripherals
PSD413A1-C-15J BBG ECL OR DUAL 3INPUT; Package: 20 LEAD PLLC; No of Pins: 20; Container: Tape and Reel; Qty per Container: 500
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PSD401A2-C-70U 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals
PSD401A2-C-90JI 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals
PSD401A2-C-90UI 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals
PSD402A1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals
PSD402A1-12J 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
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