參數(shù)資料
型號(hào)： PSD834F2
英文描述： Flash In-System Programmable (ISP) Peripherals For 8-bit MCUs(用于8位MCUs的閃速I(mǎi)SP外圍)
中文描述： Flash在系統(tǒng)可編程（ISP）為周邊8位微控制器（用于8位微控制器的閃速的ISP外圍）
文件頁(yè)數(shù)： 9/98頁(yè)
文件大?。?/td> 595K
代理商： PSD834F2
9/98
PSD8XXF2/3/4/5
plexed with other functions on Port C. Table 3 in-
dicates the JTAG pin assignments.
In-System Programming (ISP)
Using the JTAG signals on Port C, the entire
PSD8xxF2/3/4/5 device can be programmed or
erased without the use of the MCU. The primary
Flash memory can also be programmed in-system
by the MCU executing the programming algo-
rithms out of the secondary memory, or SRAM.
The secondary memory can be programmed the
same way by executing out of the primary Flash
memory. The PLD or other PSD8xxF2/3/4/5 Con-
figuration blocks can be programmed through the
JTAG port or a device programmer. Table 4 indi-
cates which programming methods can program
different functional blocks of the PSD8xxF2/3/4/5.
Table 4. Methods of Programming Different Functional Blocks of the PSD8xxF2/3/4/5
Power Management Unit (PMU)
The Power Management Unit (PMU) gives the
user controlof the power consumptionon selected
functional blocks based on system requirements.
The PMU includes an Automatic Power-down
(APD) Unit that turns off device functions during
MCU inactivity. The APD Unit has a Power-down
mode that helps reduce power consumption.
The PSD8xxF2/3/4/5 also has some bits that are
configured at run-time by the MCU to reduce pow-
er consumption of the CPLD. The Turbo bit in
PMMR0 canbereset to 0 and the CPLD latches its
outputs and goes to sleep until the next transition
on its inputs.
Additionally, bits in PMMR2 can be set by the
MCU to block signals from entering the CPLD to
reduce power consumption. Please see the sec-
tion entitled “Power Management” on page 55 for
more details.
Functional Block
JTAG Programming
Device Programmer
IAP
Primary Flash Memory
Yes
Yes
Yes
Secondary Flash Memory
Yes
Yes
Yes
PLD Array (DPLD and CPLD)
Yes
Yes
No
PSD8xxF2/3/4/5 Configuration
Yes
Yes
No
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PSD834F2-15M 制造商:STMicroelectronics 功能描述:Flash In-System Programmable Peripherals 52-Pin PQFP
PSD834F2-70J 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 2M 70ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
PSD834F2-70M 功能描述:SPLD - 簡(jiǎn)單可編程邏輯器件 5.0V 2M 70ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池?cái)?shù)量:10 最大工作頻率:66 MHz 延遲時(shí)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(fēng)格:Through Hole 封裝 / 箱體:DIP-24
PSD834F2-90J 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 2M 90ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
PSD834F2-90JI 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 2M 90ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
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