QUARTUS_II LPM模塊功能介紹中文版——轉載

 

Megafunctions/LPM

The Quartus II software offers a variety of megafunctions, including the library of parameterized modules (LPM) functions and other parameterized functions. Megafunctions are listed below by function. Functions indicated by an asterisk (*) are provided for backward compatibility only.

  Arithmetic MegaWizards and Megafunctions:

Arithmetic components include accumulators, adders, multipliers, and LPM arithmetic functions.

MegaWizard	Megafunction(s)	Comments
ALTACCUMULATE	altaccumulate	Parameterized accumulator megafunction. 參數化的寄存器模塊
ALTECC	altecc_decoder	Error correction code (ECC) megafunction. 數據代碼糾正模塊
	altecc_encoder	Error correction code (ECC) megafunction. 數據代碼糾正模塊
ALTFP_ADD_SUB	altfp_add_sub	Floating-point adder/subtractor megafunction. 浮點、加法器/減法器模塊
ALTFP_COMPARE	altfp_compare	Parameterized floating-point comparator megafunction. 參數化的浮點比較器模塊
ALTFP_CONVERT	altfp_convert	Parameterized floating-point conversion megafunction. 參數化的浮點轉換器模塊
ALTFP_DIV	altfp_div	Parameterized floating-point divider megafunction. 參數化的浮點分配器模塊
ALTFP_MULT	altfp_mult	Parameterized floating-point multiplier megafunction. 參數化的浮點乘法器模塊
ALTFP_SQRT	altfp_sqrt	Parameterized floating-point square root megafunction. 參數化的浮點平方根模塊
ALTMEMMULT	altmemmult	Parameterized memory multiplier megafunction. 數化的記憶乘法器模塊
ALTMULT_ACCUM (MAC)	altmult_accum	Parameterized multiply-accumulate megafunction. 參數化的乘-累積模塊
ALTMULT_ADD	altmult_add	Parameterized multiplier/adder megafunction. 參數化的乘法器/加法器模塊
ALMULT_COMPLEX	altmult_complex	Parameterized complex multiplier megafunction. 參數化的綜合乘法器模塊
ALTSQRT	altsqrt	Parameterized integer square root megafunction. 參數化的整數平方根模塊
LPM_ABS	lpm_abs	Parameterized absolute value megafunction. 參數化的絕對值模塊
LPM_ADD_SUB	lpm_add_sub	Parameterized adder/subtractor megafunction. 參數化的加法器/減法器模塊
LPM_COMPARE	lpm_compare	Parameterized comparator megafunction. 參數化的比較器模塊
LPM_COUNTER	lpm_counter	Parameterized counter megafunction. 參數化的計數器模塊
LPM_DIVIDE	lpm_divide	Parameterized divider megafunction. 參數化的分配器模塊
	divide*	Parameterized divider megafunction. 參數化的分配器模塊  Use the divide megafunction with mature device families. For newer device families, use the lpm_divide megafunction.
LPM_MULT	lpm_mult	Parameterized multiplier megafunction. 參數化的乘法器模塊
	altsquare	Parameterized squarer megafunction. 參數化的 squarer 模塊
PARALLEL_ADD	parallel_add	Parallel adder megafunction. 參數化的並聯加法器模塊

Gates MegaWizards and Megafunctions:

Gates include multiplexers and LPM gate functions.

MegaWizard	Megafunction(s)	Comments
LPM_AND	lpm_and	Parameterized AND gate megafunction. 參數化的與門模塊
LPM_BUSTRI	lpm_bustri	Parameterized tri-state buffer megafunction. 參數化的三態緩衝器模塊
LPM_CLSHIFT	lpm_clshift	Parameterized combinational logic shifter or barrel shifter megafunction. 參數化的組合邏輯轉換模塊
LPM_CONSTANT	lpm_constant	Parameterized constant generator megafunction. 參數化的常數發生器模塊
LPM_DECODE	lpm_decode	Decoder megafunction. 參數化的解碼器模塊
LPM_INV	lpm_inv	Parameterized inverter megafunction. 參數化的反相器模塊
LPM_MUX	lpm_mux	Parameterized multiplexer megafunctions. 參數化的多路轉換器模塊
LPM_OR	lpm_or	Parameterized OR gate megafunction. 參數化的或門模塊
LPM_XOR	lpm_xor	Parameterized XOR gate megafunction. 參數化的異或門模塊

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O MegaWizards and Megafunctions:

I/O components include Clock Data Recovery (CDR), phase locked loop (PLL), double data rate (DDR), gigabit transceiver block (GXB), LVDS receiver, LVDS transmitter,

PLL reconfiguration, and remote update megafunctions.

 

 

MegaWizard	Megafunction(s)	Comments
ALT2GXB	alt2gxb	GXB megafunction. 千兆位收發器
ALT2GXB_RECONFIG	alt2gxb_reconfig	GXB dynamic reconfiguration megafunction. 千兆位動態配置收發器
ALTASMI_PARALLEL	altasmi_parallel	Active serial memory interface parallel megafunction. 並聯接口的串行存儲器
ALTCLKCTRL	altclkctrl	Clock control block megafunction. 時鐘控制模塊
ALTCLKLOCK	altclklock	Parameterized PLL megafunction. 參數化的鎖相環模塊
ALTDDIO_BIDIR	altddio_bidir	DDR bidirectional megafunction. 雙倍數雙向模塊
ALTDDIO_IN	altddio_in	DDR input megafunction. 雙倍數輸入模塊
ALTDDIO_OUT	altddio_out	DDR output megafunction. 雙倍數輸出模塊
ALTDLL	altdll	Delay locked loop (DDL) megafunction. 鎖相環模塊
ALTDQ	altdq	Data strobe megafunction. 數據濾波模塊
ATLDQS	altdqs	Parameterized bidirectional data strobe megafunction. 參數化的雙向數據濾波器
	atldq_dqs	Parameterized data strobe megafunction. 參數化的數據濾波器
ALTGX	alt4gxb	High-Speed Serial Interface (HSSI) GXBmegafunction. 高速串行千兆收發器
ALTGXB	altgxb	GXB megafunction. 千兆位收發器
ALTIOBUF	altiobuf_bidir	Bidirectional I/O buffer megafunction. 雙向I/O緩衝模塊
	altiobuf_in	Input I/O buffer megafunction. 輸入緩衝模塊
	altiobuf_out	Output I/O buffer megafunction. 輸出緩衝模塊
ALTLVDS	altlvds_rx	Low voltage differential signalling (LVDS) receiver megafunction. 低電壓差分信號接收器
	altlvds_tx	Low voltage differential signalling (LVDS) transmitter megafunction. 低電壓差分信號發送器
ALTMEMPHY	ALTMEMPHY	External DDR Memory PHY interface megafunction. PHY接口的外部的DDR存儲器
ALTOCT	alt_oct	On-chip termination (OCT) megafunction. 片上終端模塊
ALTPLL	altpll	Parameterized PLL megafunction. 參數化的鎖相環模塊
ALTPLL_RECONFIG	altpll_reconfig	Parameterized PLL reconfiguration megafunction. 參數化可重配置的鎖相環模塊
ALTREMOTE_UPDATE	altremote_update	Parameterized remote update megafunction. 參數化的遠程更新模塊
	altstratixii_oct	Parameterized OCT megafunction. 參數化的片上終端模塊
MAX II oscillator	altufm_osc	Oscillator megafunction. 震盪器模塊

JTAG-accessible Extensions MegaWizards and Megafunctions:

MegaWizard	Megafunction(s)	Comments
In-System Sources and Probes	altsource_probe	In-system debugging megafunction. 在系統調試模塊
Parallel Flash Loader	altparallel_flash_loader	Parallel flash loader (PFL) megafunction. 並行的快速載入模塊
Serial Flash Loader	altserial_flash_loader	Serial flash loader megafunction. 串行的快速載入模塊
SignalTap II Logic Analyzer	sld_signaltap	SignalTap II Logic Analyzer megafunction. SignalTap II邏輯分析模塊
Virtual JTAG	sld_virtual_jtag	Virtual JTAG Interface (VJI) megafunction. 虛擬的JTAG接口模塊

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory Compiler MegaWizards and Megafunctions:

Memory Compiler includes FIFO Partitioner, RAM, ROM, and memory functions.

MegaWizard	Megafunction(s)	Comments
Ram initializer	altmem_init	RAM initialization from ROM megafunction. ROM中載入數據初始化RAM
CAM	altcam	Content-addressable memory (CAM) megafunction. 可設地址的存儲器模塊
FIFO	dcfifo	Parameterized dual-clock FIFO megafunction. 參數化的雙時鐘先入先出模塊
	dcfifo_mixed_widths	Parameterized dual-clock mixed-widths FIFO megafunction. 參數化的雙時鐘混合寬度的先入先出模塊
	scfifo	Parameterized single-clock FIFO megafunction. 參數化的單時鐘先入先出模塊
FIFO partitioner	altcsmem	FIFO partitioner megafunction. 先入先出區分模塊
Flash Memory	altufm_i2c	User flash memory megafunction with the inter-integrated circuit (I2C) interface protocol. IIC接口的閃存模塊
	altufm_none	User flash memory megafunction (no interface protocol). 無接口協議的閃存模塊
	altufm_parallel	User flash memory megafunction with the parallel interface protocol. 並行接口的閃存模塊
	altufm_spi	User flash memory megafunction with the serial peripheral interface (SPI) protocol. SPI接口的閃存模塊
RAM: 1-PORT	altdpram*	Parameterized dual-port RAM megafunction. 參數化的雙端口RAM模塊
	altram*	Parameterized RAM megafunction. 參數化的RAM模塊
	altsyncram	Parameterized true dual-port RAM megafunction. 參數化的真實雙端口RAM模塊
RAM: 2-PORT	altdpram*	Parameterized dual-port RAM megafunction. 參數化的雙端口RAM模塊
	altsyncram	Parameterized true dual-port RAM megafunction. 參數化的真實雙端口RAM模塊
	lpm_ram_dq*	Parameterized RAM with separate input and output ports megafunction. 參數化的輸入/輸出接口分開的RAM模塊
RAM: 3-PORT	alt3pram	Parameterized triple-port RAM megafunction. 參數化的三倍端口RAM模塊
ROM: 1-PORT	altrom*	Parameterized ROM megafunction. 參數化的ROM模塊
	altsyncram	Parameterized true dual-port synchronous RAM megafunction. 參數化的真實雙端口同步RAM模塊
	lpm_rom*	Parameterized ROM megafunction. 參數化的ROM模塊
ROM: 2-PORT	altsyncram	Parameterized true dual-port synchronous RAM megafunction. 參數化的真實雙端口同步RAM模塊
Shift register(RAM-based)	altshift_taps	Parameterized shift register with taps megafunction. 參數化的移位寄存器模塊

Storage MegaWizards and Megafunctions:

Storage includes LPM memory functions, parameterized flipflop, parameterized latch, and parameterized shift register functions.

 

MegaWizard	Megafunction(s)	Comments
ALTCAM	altcam	Content-addressable memory (CAM) megafunction. 可設地址的存儲器模塊
ALTQPRAM	altqpram*	Parameterized quad-port RAM megafunction. 參數化的四倍接口的RAM模塊
LPM_FF	lpm_dff*	Parameterized D-type flipflop and shift register megafunction. 參數化的D型雙穩態移位寄存器模塊
	lpm_ff	Parameterized flipflop megafunction. 參數化的雙穩態模塊
	lpm_tff*	Parameterized T-type flipflop megafunction. 參數化的T型雙穩態模塊
LPM_LATCH	lpm_latch	Parameterized latch megafunction. 參數化的鎖模塊
LPM_SHIFTREG	lpm_shiftreg	Parameterized shift register megafunction. 參數化的移位寄存器模塊

 

 

Megafunction	Comments
csdpram	Parameterized cycle-shared dual port RAM megafunction. 參數化的循環使用的雙端口RAM模塊
lpm_fifo*	Parameterized single-clock FIFO megafunction. 參數化的單時鐘先入先出模塊
lpm_fifo_dc*	Parameterized dual-clock FIFO megafunction. 參數化的雙時鐘先入先出模塊
lpm_ram_dp*	Parameterized dual-port RAM megafunction. 參數化的雙端口先入先出模塊
lpm_ram_io*	Parameterized RAM with a single I/O port megafunction. 參數化的單信號端口RAM模塊

Other Megafunctions:

The following megafunctions are not available in the MegaWizard Plug-in