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參數(shù)資料
| 型號： | PSD402A2-C-15L |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32K X 16 UVPROM, 40 I/O, PIA-GENERAL PURPOSE, CQCC68 |
| 封裝： | WINDOWED, CERAMIC, LCC-68 |
| 文件頁數(shù)： | 77/123頁 |
| 文件大?。?/td> | 755K |
| 代理商： | PSD402A2-C-15L |
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Obsolete
Product(s)
- Obsolete
Product(s)
PSD4XX Family
54
PSD4XX Family
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:
t Standard MCU I/O Mode
t PLD I/O
t Address Out – latched address lines A[0-7] are assigned to pins PA[0-7].
t Address In – input port for other address lines, inputs can be latched by ALE.
t 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:
t Standard MCU I/O Mode
t PLD I/O
t 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 :
t Data In Register as input in Standard MCU I/O Mode
or
t PB Macrocell as PLD input
The PSD4XX
Architecture
(cont.)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
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| PSD4235G2-A-20UI | 4M X 1 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80 |
| PSD813F2A-15JI | 128K X 8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQCC52 |
| PSD834F2VA-15MI | 256K X 8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP52 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD402A2-C-15U | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD402A2-C-70J | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD402A2-C-70L | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD402A2-C-70U | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD402A2-C-90JI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
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