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HD6433846XXXH 参数 Datasheet PDF下载

HD6433846XXXH图片预览
型号: HD6433846XXXH
PDF下载: 下载PDF文件 查看货源
内容描述: 微控制器\n [Microcontroller ]
分类和应用: 微控制器外围集成电路时钟
文件页数/大小: 524 页 / 1465 K
品牌: ETC [ ETC ]
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Bit 4: Expansion Signal Selection (SGX)  
Bit 4 (SGX) selects whether the SEG40/CL1, SEG39/CL2, SEG38/DO and SEG37/M pins are used as  
segment pins (SEG40 to SEG37) or as segment external expansion signal pins (CL1, CL2, DO and  
M).  
Bit 4  
SGX  
Description  
0
SEG40 to SEG37 pins*  
(Initial value)  
1
CL1, CL2, DO and M pins  
Note:  
*
Functions as ports when SGS3 to SGS0 are set at “0000”.  
Bits 3 to 0: Segment driver select 3 to 0 (SGS3 to SGS0)  
Bits 3 to 0 select the segment drivers to be used.  
Function of Pins SEG40 to SEG1  
SEG40 SEG32 SEG24 SEG16 SEG8  
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 to to to to to  
SGX SGS3 SGS2 SGS1 SGS0 SEG33 SEG25 SEG17 SEG9 SEG1  
Notes  
(Initial value)  
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
1
0
0
0
0
1
0
0
0
1
1
*
0
0
0
1
*
0
0
1
0
1
*
0
0
1
*
*
0
1
*
*
*
*
0
1
*
*
*
Port  
Port  
Port  
Port  
Port  
SEG  
SEG  
SEG  
Port  
Port  
Port  
Port  
Port  
SEG  
SEG  
Port  
Port  
Port  
Port  
Port  
Port  
SEG  
Port  
SEG  
SEG  
SEG  
SEG  
SEG  
Port  
SEG  
SEG  
SEG  
SEG  
Port(*1) Port  
Do not use  
Note: 1. SEG40 to SEG37 are external expansion pins.  
*: Don’t care  
347  
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