參數(shù)資料
型號(hào)： MR80C52CXXX-12SHXXX
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44
封裝： LCC-44
文件頁數(shù)： 75/80頁
文件大?。?/td> 5152K
代理商： MR80C52CXXX-12SHXXX
275
XMEGA A [MANUAL]
8077I–AVR–11/2012
24.9.5 SDRAMCTRLB – SDRAM Control register B
Bit 7:6 – MRDLY[1:0]: SDRAM Mode Register Delay
These bits select the delay between a LOAD MODE command and an ACTIVE command, in number of ClkPER2 cycles,
according to Table 24-14.
Table 24-14. SDRAM Load Mode to Active command delays settings.
Bit 5:3 – ROWCYCDLY[2:0]: SDRAM Row Cycle Delay
These bits select the delay between a REFRESH and an ACTIVE command in number of ClkPER2 cycles, according to
Table 24-15. SDRAM Row cycle delay settings.
Bit 2:0 – RPDLY[2:0]: SDRAM Row to Precharge Delay
RPDLY defines the delay between an Active command and a Precharge command in number of ClkPER2 cycles,
according to Table 24-16.
Bit
765
4
3
2
1
0
+0x08
MRDLY[1:0]
ROWCYCDLY[2:0]
RPDLY[2:0]
Read/Write
R/W
Initial Value
0
MRDLY[1:0]
Group configuration
Description
00
0CLK
Zero ClkPER2 cycles delay
01
1CLK
One ClkPER2 cycles delay
10
2CLK
Two ClkPER2 cycles delay
11
3CLK
Three ClkPER2 cycles delay
ROWCYDLY[2:0]
Group Configuration
Description
000
0CLK
Zero ClkPER2 cycles delay
001
1CLK
One ClkPER2 cycles delay
010
2CLK
Two ClkPER2 cycles delay
011
3CLK
Three ClkPER2 cycles delay
100
4CLK
Four ClkPER2 cycles delay
101
5CLK
Five ClkPER2 cycles delay
110
6CLK
Six ClkPER2 cycles delay
111
7CLK
seven ClkPER2 cycles delay
相關(guān)PDF資料
PDF描述
MC80C52CXXX-12SB 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CDIP40
MQ80C32-25SCD 8-BIT, 25 MHz, MICROCONTROLLER, CQFP44
MQ80C32E-20SHXXX:D 8-BIT, 20 MHz, MICROCONTROLLER, CQFP44
MD80C52CXXX-16SCD 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CDIP40
MF180C51-16R 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MR80C86 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86/B 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:Microprocessor, 16 Bit, 44 Pin, Ceramic, LCC
MR80C86-2 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86-2/883 制造商:Rochester Electronics LLC 功能描述:- Bulk
MR80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 80C86 16BIT CMOS 8MHZ 44PLCC - Rail/Tube
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*