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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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13.1.3  
Pin Configuration  
Table 13-1 shows the LCD controller/driver pin configuration.  
Table 13-1 Pin Configuration  
Name  
Abbrev.  
I/O  
Function  
Segment output pins  
SEG40 to SEG1 Output  
LCD segment drive pins  
All pins are multiplexed as port pins  
(setting programmable)  
Common output pins  
COM4 to COM1 Output  
LCD common drive pins  
Pins can be used in parallel with static  
or 1/2 duty  
Segment external expansion CL1  
signal pin  
Output  
Output  
Output  
Output  
Multiplexed as the display data latch  
clock, SEG40  
CL2  
Multiplexed as the display data shift  
clock, SEG39  
M
Multiplexed as the LCD alternating  
signal, SEG37  
DO  
Multiplexed as the serial display data,  
SEG38  
LCD power supply pins  
V0, V1, V2, V3  
Used when a bypass capacitor is  
connected externally, and when an  
external power supply circuit is used  
13.1.4  
Register Configuration  
Table 13-2 shows the register configuration of the LCD controller/driver.  
Table 13-2 LCD Controller/Driver Registers  
Name  
Abbrev.  
LPCR  
LCR  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
Initial Value  
H'00  
Address  
H'FFC0  
LCD port control register  
LCD control register  
LCD control register 2  
LCD RAM  
H'80  
H'FFC1  
LCR2  
H'60  
H'FFC2  
Undefined  
H'FF  
H'F740 to H'F753  
H'FFFB  
Clock stop register 2  
CKSTPR2  
345  
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