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| 型號： | PSD913F2 |
| 英文描述： | Configurable Memory System on a Chip for 8-Bit Microcontrollers(用于8位MCU的可配置存儲器系統(tǒng)) |
| 中文描述： | 在8片位微控制器可配置存儲系統(tǒng)（用于8位微控制器的可配置存儲器系統(tǒng)） |
| 文件頁數(shù)： | 55/94頁 |
| 文件大?。?/td> | 477K |
| 代理商： | PSD913F2 |
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Preliminary Information
PSD9XX Family
51
The
PSD9XX
Functional
Blocks
(cont.)
9.4.6 Port C – Functionality and Structure
Port C can be configured to perform one or more of the following functions (see Figure 21):
MCU I/O Mode
PLD Input – Input to the PLDs.
Address In – Additional high address inputs using the Input Micro
Cells.
In-System Programming – JTAG port can be enabled for programming/erase of the
PSD9XX device. (See Section 9.6 for more information on JTAG programming.)
Pins that are configured as JTAG pins in PSDsoft will not be available for other I/O
functions.
Open Drain – Port C pins can be configured in Open Drain Mode
Battery Backup features – PC2 can be configured as a Battery Input (Vstby) pin.
PC4 can be configured as a Battery On Indicator output
pin, indicating when Vcc is less than Vbat.
Port C does not support Address Out mode, and therefore no Control Register is required.
Pin PC7 may be configured as the DBE input in certain microcontroller interfaces.
9.4.7 Port D – Functionality and Structure
Port D has three I/O pins. See Figure 22. This port does not support Address Out mode,
and therefore no Control Register is required. Port D can be configured to perform one or
more of the following functions:
MCU I/O Mode
GPLD Output – Combinatorial PLD output (external chip selects)
PLD Input – direct input to PLDs
Slew rate – pins can be set up for fast slew rate
Port D pins can be configured in PSDsoft as input pins for other dedicated functions:
PD0 – ALE, as address strobe input
PD1 – CLKIN, as clock input to the PLD and APD counter
PD2 – CSI, as active low chip select input. A high input will disable the
Flash/SRAM and CSIOP.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PSD913F2-12B81 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD913F2-12B81I | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD913F2-12J | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD913F2-12JI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD913F2-12JIT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
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