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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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Table 15.4 A/D Conversion Time (Single Mode)  
CKS  
=
0CKS  
Symbol  
tD  
Min  
10  
Typ  
Max  
17  
Min  
6
Typ  
Max  
9
Synchronization delay  
Input sampling time*  
A/D conversion time*  
tSPL  
80  
40  
tCONV  
259  
266  
131  
134  
Note: Values in the table are numbers of states.  
* Values for when øP = ø. When øP = ø/2, values are double those given in the table.  
15.4.4 External Trigger Input Timing  
A/D conversion can be externally triggered. When the TRGE bit is set to 1 in ADCR, external  
trigger input is enabled at the ADTRG pin. A high-to-low transition at the ADTRG pin sets the  
ADST bit to 1 in ADCSR, starting A/D conversion. Other operations, in both single and scan  
modes, are the same as if the ADST bit had been set to 1 by software. Figure 15.6 shows the  
timing.  
ø
ADTRG  
Internal trigger  
signal  
ADST  
A/D conversion  
Figure 15.6 External Trigger Input Timing  
349  
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