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HD6473434F16 参数 Datasheet PDF下载

HD6473434F16图片预览
型号: HD6473434F16
PDF下载: 下载PDF文件 查看货源
内容描述: 12伏不能应用于S -掩模模型(单电源规格) ,因为这可能会永久损坏设备。 [12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.]
分类和应用: 外围集成电路微控制器可编程只读存储器时钟
文件页数/大小: 752 页 / 2557 K
品牌: HITACHI [ HITACHI SEMICONDUCTOR ]
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Contention between OCR Write and Compare-Match: If a compare-match occurs during the  
T3 state of a write cycle to the lower byte of OCRA or OCRB, the write takes priority and the  
compare-match signal is inhibited.  
Figure 8.18 shows this type of contention.  
Write cycle:  
CPU write to lower byte of OCRA or OCRB  
T1  
T2  
T3  
ø
Internal address bus  
OCR address  
Internal write signal  
FRC  
N
N + 1  
OCRA or OCRB  
N
M
Write data  
Compare-match  
A or B signal  
Inhibited  
Figure 8.18 Contention between OCR Write and Compare-Match  
185  
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