參數(shù)資料
型號(hào)： ZPSD401A1
英文描述： Field Programmable Microcontroller Peripherals(可編程邏輯，零功耗，16K位SRAM,40個(gè)可編程I/O,通用PLD有37個(gè)輸入)
中文描述： 現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備（可編程邏輯，零功耗，16K的位的SRAM，40余個(gè)可編程輸入/輸出，通用PLD的有37個(gè)輸入）
文件頁(yè)數(shù)： 67/108頁(yè)
文件大?。?/td> 626K
代理商： ZPSD401A1
ZPSD4XX Famly
5-67
Page
Register
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 36 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.
The ZPSD4XX has a programmable security bit which offers protection from unauthorized
duplication. When the security bit is set, the contents of the EPROM, the ZPSD4XX
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.
Security
Protection
Figure 36. 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
相關(guān)PDF資料
PDF描述
ZPSD401A2 Field Programmable Microcontroller Peripherals(可編程邏輯，零功耗，16K位SRAM,40個(gè)可編程I/O,通用PLD有59個(gè)輸入)
ZPSD403A1 Field Programmable Microcontroller Peripherals(可編程邏輯，零功耗，16K位SRAM,40個(gè)可編程I/O,通用PLD有37個(gè)輸入)
ZPSD403A2 Field Programmable Microcontroller Peripherals(可編程邏輯，零功耗，16K位SRAM,40個(gè)可編程I/O,通用PLD有59個(gè)輸入)
ZPSD412A1 Field Programmable Microcontroller Peripherals(可編程邏輯，零功耗，16K位SRAM,40個(gè)可編程I/O,通用PLD有37個(gè)輸入)
ZPSD412A2 Field Programmable Microcontroller Peripherals(可編程邏輯，零功耗，16K位SRAM,40個(gè)可編程I/O,通用PLD有59個(gè)輸入)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZPSD401A1-12J 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
ZPSD401A1-12JI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
ZPSD401A1-12LI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
ZPSD401A1-12U 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
ZPSD401A1-12UI 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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