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參數(shù)資料
| 型號(hào)： | PSD413A1 |
| 廠(chǎng)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(yè)數(shù)： | 52/123頁(yè) |
| 文件大?。?/td> | 657K |
| 代理商： | PSD413A1 |
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PSD4XX Famly
49
9.3.3 Address Out
For microcontrollers with a multiplexed address/data bus, the I/O ports in Address-Out
mode are able to provide latched address outputs (A0 – A15) to external devices. This
mode of operation requires the user to:
J
Configuration
1.Declare the pins used as address line outputs in the ABEL file (PSDsoft).
2.Write “0” to the corresponding bit in the Control Register associated with each
I/O port.
3.Set the Direction Register to Output Mode.
9.3.4 Address In
There are two Address In modes:
1. For Port A - as other address line (A2-A7 and A16-A23) inputs to the DPLD. Additional
address inputs included in the EPROM decoding must come from Port A. The address
inputs are latched internally by ALE/AS if Multiplexed Bus is specified in PSDsoft.
2. For Ports C and D – as address inputs to the ZPLD for general decoding,
should not be used in EPROM decoding.
J
Configuration
1.Declare pins or signals used as Address In in the ABEL file (PSDsoft).
2.Write latch equations in the .ABL file, e.g., A16.LE = ALE.
3.Include latched address in logic equations.
9.3.5 Data Port
In this mode, the port is acting as a data bus port for a microcontroller which has a
non-multiplexed address/data bus. The Data Port is connected to the data bus of the
microcontroller and the ADIO port is connected to the address bus.
J
Configuration
Select the non-multiplexed bus option in PSD configuration (PSDsoft).
9.3.6 Alternate Function In
This mode is per-pin configurable and enables the user to define pin PE7 of Port E as
Automatic Power Down (APD) CLK input.
J
Configuration
1.Select input functions in PSD configuration.
2.PSD Compiler assigns pins for the selected options.
The PSD4XX
Architecture
(cont.)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PSD402A1 | Low Cost Field Programmable Microcontroller Peripherals |
| PSD411A2 | Low Cost Field Programmable Microcontroller Peripherals |
| PSD413A2 | Low Cost Field Programmable Microcontroller Peripherals |
| PSD412A1-C-70U | Low Cost Field Programmable Microcontroller Peripherals |
| PSD402A1-C-90JI | Low Cost Field Programmable Microcontroller Peripherals |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD413A2-C-70L | 制造商:WSI 功能描述: |
| PSD4-16 | 制造商:Tamura Corporation of America 功能描述: |
| PSD4-20 | 制造商:MICROTRAN 功能描述:POWER TRANSFORMER, 6 VA |
| PSD4235G2-70U | 功能描述:SPLD - 簡(jiǎn)單可編程邏輯器件 5.0V 4M 70ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池?cái)?shù)量:10 最大工作頻率:66 MHz 延遲時(shí)間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:DIP-24 |
| PSD4235G2-90U | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 4M 90ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
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