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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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7.8  
Port 7  
7.8.1  
Overview  
Port 7 is an 8-bit input port that also provides the analog input pins for the A/D converter and  
analog output pins for the D/A converter. The pin functions are the same in all modes. Figure 7.15  
shows the pin configuration of port 7.  
Port 7 pins  
P77 (input)/AN7 (input)/DA1 (output)  
P76 (input)/AN6 (input)/DA0 (output)  
P75 (input)/AN5 (input)  
P74 (input)/AN4 (input)  
Port 7  
P73 (input)/AN3 (input)  
P72 (input)/AN2 (input)  
P71 (input)/AN1 (input)  
P70 (input)/AN0 (input)  
Figure 7.15 Port 7 Pin Configuration  
7.8.2  
Register Configuration and Descriptions  
Table 7.15 summarizes the port 7 registers. Port 7 is an input port, so there is no data direction  
register.  
Table 7.15 Port 7 Register  
Name  
Abbreviation  
Read/Write  
Initial Value  
Address  
Port 7 input data register  
P7PIN  
R
Undetermined H'FFBE  
Note: The port 7 input data register (P7PIN) has the same address as the port B data direction  
register (PBDDR).  
135  
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