參數(shù)資料
型號： PSD403A1
英文描述： Field Programmable Microcontroller Peripherals(可編程邏輯，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)場可編程微控制器外圍設(shè)備（可編程邏輯，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）
文件頁數(shù)： 9/97頁
文件大?。?/td> 309K
代理商： PSD403A1
PSD4XX Famly
4-9
General Description
The ZPLD block has 2 embedded PLD devices:
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DPLD
The Address Decoding PLD, generating select signals to internal I/O or memory blocks.
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GPLD
The General Purpose PLD provides 8 registered and combinatorial programmable
macrocells for general or complex logic implementation; dedicated to user application.
Figure 3 shows the architecture of the ZPLD. The PLD devices all share the same input
bus. The true or complement of the 37 input signals are fed to the programmable
AND-ARRAY. Names and sources of the input signals are shown in Table 3. The PB
signals, depending on user configuration, can either be macrocell feedbacks or inputs
from Port B.
Key Features
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2 Embedded ZPLD devices
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8 registered and 8 combinatorial macrocells
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Combinatorial/registered outputs
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Maximum 113 product terms
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Programmable output polarity
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User configured register clear/preset
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User configured register clock input
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37 Inputs
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Accessible via 16 I/O pins
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Power Saving Mode
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UV-Erasable
The PSD4XXA1
ZPLDBlock
The PSD4XX
Architecture
PSD4XX consists of five major functional blocks:
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ZPLDBlock
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Bus Interface
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I/OPorts
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Memory Block
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Power Management Unit
The functions of each block are described in the following sections. Many of the blocks
perform multiple functions, and are user configurable. The chip configurations are specified
by the user in the PSDsoft Development Software. Other configurations are specified by
setting up the appropriate bits in the configuration registers during run time.
The ZPLD
Block
The PSD4XX series devices provide two ZPLD configurations. The ZPLD in the
PSD4XXA1
devices has 8 registered macrocells, 8 combinatorial macrocells, and up to 113 product
terms.
The
PSD4XXA2
has a full function ZPLD with 24 registered macrocells and up to 126
product terms.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PSD403A1-12J 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
PSD403A1-12JI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
PSD403A1-12LI 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
PSD403A1-12U 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral
PSD403A1-12UI 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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