參數(shù)資料
型號: PSD954F2V-90M
廠商: 意法半導體
英文描述: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
中文描述: Flash在系統(tǒng)可編程ISP的外設的8位微控制器
文件頁數(shù): 7/94頁
文件大?。?/td> 476K
代理商: PSD954F2V-90M
Preliminary Information
PSD9XX Family
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A simple interface to 8-bit microcontrollers that use either multiplexed or
non-multiplexed busses. The bus interface logic uses the control signals generated by
the microcontroller automatically when the address is decoded and a read or write is
performed. A partial list of the MCU families supported include:
Intel 8031, 80196, 80186, 80C251
Motorola 68HC11, 68HC16, 68HC12, and 683XX
Philips 8031 and 8051XA
Zilog Z80, Z8, and Z180
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Internal 1 or 2 Mbit flash memory. This is the main Flash memory. It is divided into
eight equal-sized blocks that can be accessed with user-specified addresses.
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Internal secondary 256 Kbit Flash memory. It is divided into four equal-sized
blocks that can be accessed with user-specified addresses. This secondary memory
brings the ability to execute code and update the main Flash
concurrently.
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16, 64 or 256 Kbit SRAM. The SRAM’s contents can be protected from a
power failure by connecting an external battery.
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General Purpose PLD (GPLD) with 19 outputs. The GPLD may be used to implement
external chip selects or combinatorial logic function.
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Decode PLD (DPLD) that decodes address for selection of internal memory blocks.
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27 individually configurable I/O port pins that can be used for the following functions:
MCU I/Os
PLD I/Os
Latched MCU address output
Special function I/Os.
16 of the I/O ports may be configured as open-drain outputs.
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Standby current as low as 50 μA for 5 V devices.
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Built-in JTAG compliant serial port allows full-chip In-System Programmability (ISP).
With it, you can program a blank device or reprogram a device in the factory or the
field.
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Internal page register that can be used to expand the microcontroller address space by
a factor of 256.
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Internal programmable Power Management Unit (PMU) that supports a low power
mode called Power Down Mode. The PMU can automatically detect a lack of
microcontroller activity and put the PSD9XX into Power Down Mode.
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Erase/Write cycles:
Flash memory – 100,000 minimum
PLD – 1,000 minimum
Data Retention: 15 years
2.0
Key Features
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相關PDF資料
PDF描述
PSD954F2V-12JI Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD934F2 Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD934F2-70J Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD934F2-70M Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD934F2-90J Flash In-System Programmable ISP Peripherals For 8-bit MCUs
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