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HD6417709SF133B 参数 Datasheet PDF下载

HD6417709SF133B图片预览
型号: HD6417709SF133B
PDF下载: 下载PDF文件 查看货源
内容描述: 瑞萨32位RISC单片机超级RISC引擎族/ SH7700系列 [Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series]
分类和应用: 微控制器和处理器外围集成电路时钟
文件页数/大小: 807 页 / 4409 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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Memory Card Interface Burst Timing: In the SH7709S, when the IC memory card interface is  
selected, page mode burst access mode can be used, for read access only, by setting bits A5BST1  
and A5BST0 in BCR1 for physical space area 5, or bits A6BST1 and A6BST0 in BCR1 for area  
6. This burst access mode is not stipulated in JEIDA version 4.2 (PCMCIA2.1), but allows high-  
speed data access using ROM provided with a burst mode, etc.  
Burst access mode timing is shown in figures 10.34 and 10.35.  
Tpcm1 Tpcm2 Tpcm1 Tpcm2 Tpcm1 Tpcm2 Tpcm1 Tpcm2  
CKIO  
A25 to A4  
A3 to A0  
CExx  
RD/WR  
RD  
(read)  
D15 to D0  
(read)  
BS  
Figure 10.34 Basic Timing for PCMCIA Memory Card Interface Burst Access  
Rev. 5.00, 09/03, page 312 of 760  
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