參數資料
型號： PSD954F2
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： 50/94頁
文件大?。?/td> 476K
代理商： PSD954F2
PSD9XX Family
Preliminary Information
46
The
PSD9XX
Functional
Blocks
(cont.)
9.4.2.4 Address In Mode
For microcontrollers that have more than 16 address lines, the higher addresses can be
connected to Port A, B, C, and D. The address input can be latched by the address strobe
(ALE/AS). Any input that is included in the DPLD equations for the Main Flash, Secondary
Flash, or SRAM is considered to be an address input.
9.4.2.5 Data Port Mode
Port A can be used as a data bus port for a microcontroller with a non-multiplexed
address/data bus. The Data Port is connected to the data bus of the microcontroller. The
general I/O functions are disabled in Port A if the port is configured as a Data Port.
9.4.2.6 JTAG ISP
Port C is JTAG compliant, and can be used for In-System Programming (ISP). For more
information on the JTAG Port, refer to section 9.6.
9.4.2.3 Address Out Mode
For microcontrollers with a multiplexed address/data bus, Address Out Mode can be used
to drive latched addresses onto the port pins. These port pins can, in turn, drive external
devices. Either the output enable or the corresponding bits of both the Direction Register
and Control Register must be set to a ‘1’ for pins to use Address Out Mode. This must be
done by the MCU at run-time. See Table 22 for the address output pin assignments on
Ports A and B for various MCUs.
For non-multiplexed 8 bit bus mode, address lines A[7:0] are available to Port B in
Address Out Mode.
Note:
Do not drive address lines with Address Out Mode to an external memory device if
it is intended for the MCU to boot from the external device. The MCU must first boot from
PSD memory so the Direction and Control register bits can be set.
Microcontroller
Port A (3:0)
Port A (7:4)
Port B (3:0)
Port B (7:4)
8051XA (8-Bit)
80C251
(Page Mode)
N/A*
N/A
Address (7:4)
N/A
Address (11:8)
Address (11:8)
N/A
Address (15:12)
All Other
8-Bit Multiplexed
8-Bit
Non-Multiplexed Bus
Address (3:0)
Address (7:4)
Address (3:0)
Address (7:4)
N/A
N/A
Address [3:0]
Address [7:4]
Table 22. I/OPort Latched Address Output Assignments
N/A = Not Applicable.
相關PDF資料
PDF描述
PSD954F2V Advanced PFC/PWM Combination Controllers 20-PDIP -40 to 105
PSD954F2V-12MI Advanced PFC/PWM Combination Controllers 20-PDIP -40 to 105
PSD954F2V-90J Advanced PFC/PWM Combination Controllers 20-SOIC -40 to 105
PSD954F2V-90M Flash In-System Programmable ISP Peripherals For 8-bit MCUs
PSD954F2V-12JI Flash In-System Programmable ISP Peripherals For 8-bit MCUs
相關代理商/技術參數
參數描述
PSD954F2-90J 功能描述:SPLD - 簡單可編程邏輯器件 U 511-PSD854F2-90J RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數量:10 最大工作頻率:66 MHz 延遲時間: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 安裝風格:Through Hole 封裝 / 箱體:DIP-24
PSD954F2-90M 功能描述:SPLD - 簡單可編程邏輯器件 U 511-PSD854F2-90M RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數量:10 最大工作頻率:66 MHz 延遲時間: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 安裝風格:Through Hole 封裝 / 箱體:DIP-24
PSD954F2V-90J 功能描述:SPLD - 簡單可編程邏輯器件 5.0V 2M 90ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數量:10 最大工作頻率:66 MHz 延遲時間: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 安裝風格:Through Hole 封裝 / 箱體:DIP-24
PSD954F2V-90M 功能描述:SPLD - 簡單可編程邏輯器件 PQFP-52 3V 2M 90NS RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數量:10 最大工作頻率:66 MHz 延遲時間: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 安裝風格:Through Hole 封裝 / 箱體:DIP-24
PS-DA0104-01 制造商:POWER-SYSTEMS 制造商全稱:Power Systems GmbH+Co.KG 功能描述:DC-AC INVERTER UNIT 4 W SINGLE OUTPUTS
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