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參數(shù)資料
| 型號： | PSD403A1-20UI |
| 英文描述： | Field-Programmable Peripheral |
| 中文描述： | 現(xiàn)場可編程外圍 |
| 文件頁數(shù)： | 57/123頁 |
| 文件大?。?/td> | 657K |
| 代理商： | PSD403A1-20UI |
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PSD4XX Famly
54
9.3.10 Port A – Functionality and Structure
Port A is the most flexible of all the I/O ports. It can be configured to perform one or more
of the following functions:
J
Standard MCU I/O Mode
J
PLD I/O
J
Address Out – latched address lines A[0-7] are assigned to pins PA[0-7].
J
Address In – input port for other address lines, inputs can be latched by ALE.
J
Peripheral I/O
Figure 27 shows the structure of a Port A pin. If the pin is configured as an output port,
the multiplexer selects one of its three inputs as output. If the pin is configured as an input,
the input connects to :
1. Data In Register as input in Standard MCU I/O Mode
or
2. PA Macrocell as PLD input
or
3. PA Macrocell through a latch latched by ALE, as Address In input.
9.3.11 Port B – Functionality and Structure
Port B is similar to Port A in structure. It can be configured to perform one or more of the
following functions:
J
Standard MCU I/O Mode
J
PLD I/O
J
Address Out – address lines A[0-7] for 8-bit multiplexed bus or address lines
A[8-15] for 16-bit multiplexed bus are assigned to pins PB[0-7].
Figure 28 shows the structure of a Port B pin. If the pin is configured as an output port,
the multiplexer selects one of its three inputs as output. If the pin is configured as input,
the input connects to :
J
Data In Register as input in Standard MCU I/O Mode
or
J
PB Macrocell as PLD input
The PSD4XX
Architecture
(cont.)
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相關代理商/技術參數(shù) |
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| PSD403A1-90J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral |
| PSD403A1-90U | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral |
| PSD403A1-C-15J | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
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