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參數(shù)資料
| 型號： | (Z)PSD813F2 |
| 英文描述： | Flash In System Programmable Mirocomputer Peripherals(閃速，在系統(tǒng)可編程微控制器外圍器件，1M位和256K位閃速存儲器，16K位SRAM) |
| 中文描述： | Flash在系統(tǒng)可編程Mirocomputer外設(shè)（閃速，在系統(tǒng)可編程微控制器外圍器件，100萬位和256K位閃速存儲器，16K的位的SRAM） |
| 文件頁數(shù)： | 29/32頁 |
| 文件大?。?/td> | 297K |
| 代理商： | (Z)PSD813F2 |
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PSD813FH - 80C31 Design Example …Application Note
052
WSi Inc. Fremont CA 800-832-6974 www.wsipsd.com
29
"pgr3 will be used to swap boot and
"FLASH memory segments after download.
"See memory map.
fs0,fs1,fs2,fs3,fs4,fs5,fs6,fs7 node; "FLASH segments
"These are placeholder nodes for the MCM.
"No silicon is fitted to these nodes.
"However, equations must be written
"so the Address Translator function of
"PSDsoft knows where to place the MCU
"firmware into FLASH memory.
"When this PSDAbel file is converted for
"use with the monolithic FLASH PSD devices,
"these equations for fs[7:0] will be
"fitted to silicon as well as referenced
"by the Address Translator.
"*******************************************************************
"DEFINITIONS
X = .x.; "Don't care
clk = .c.; "Clock pulse
swap = pgr3; "PSD page register bit used to swap boot and FLASH
"memory segements after download
pass_a14 = pgr2; "PSD page register bit used to gate address line
"a14 from the MCU to the FLASH die. This is
"needed only for the MCM device, not monolith
page = [pgr1,pgr0]; "PSD page
address = [a15,a14,a13,a12,a11,a10,a9,a8,a7,a6,a5,a5,a4,a3,a2,a1,a0];
EQUATIONS
"******** DPLD equations *****************************************
"***** Generate active high chip select equations for FLASH memory.
"***** For the MCM device, these equations are not fitted to silicon,
"***** they are only referenced by the PSDsoft Address Translator to
"***** place MCU firmware into FLASH memory. (FLASH management in the
"***** MCM is handled by a18f, a17f, a16f, a14f, and csf).
"***** When this design is converted to a monolithic FLASH PSD, these
"***** fc[7:0] equations will occupy silicon, and no equations will
"***** be needed for a18f, a17f, a16f, a14f,and csf.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZPSD813F2-12JI | 制造商:WSI 功能描述: 制造商:WSI 功能描述:1M X 1 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQCC52 |
| ZPSD813F2-12UI | 制造商:WSI 功能描述: 制造商:WSI 功能描述:1M X 1 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP64 |
| ZPSD813F2-15J | 制造商:WSI 功能描述: 制造商:WSI 功能描述:1M X 1 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQCC52 |
| ZPSD813F2-15U | 制造商:WSI 功能描述: 制造商:WSI 功能描述:1M X 1 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP64 |
| ZPSD813F2-15UI | 制造商:WSI 功能描述: 制造商:WSI 功能描述:1M X 1 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP64 |
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