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71M6533H-IGTR/F 参数 Datasheet PDF下载

71M6533H-IGTR/F图片预览
型号: 71M6533H-IGTR/F
PDF下载: 下载PDF文件 查看货源
内容描述: 电能计量IC [Energy Meter IC]
分类和应用:
文件页数/大小: 124 页 / 1997 K
品牌: TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
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71M6533/71M6534 Data Sheet  
FDS_6533_6534_004  
The following dedicated and multi-use pins can be assigned as LCD segments:  
15 dedicated LCD segment pins: SEG0 to SEG2, SEG8, SEG12 to SEG18, SEG20 to SEG23.  
9 dual-function pins: MUX_SYNC/SEG7, CKTEST/SEG19, E_RXTX/SEG9, E_TCLK/SEG10,  
E_RST/SEG11, SEG3/PCLK, SEG4/PSDO, SEG5/PCSZ, SEG6/PSDI.  
5 additional dual-function pins in the 71M6534: SEG51/E_TBUS0, SEG52/E_TBUS1,  
SEG53/E_TBUS2, SEG54/E_TBUS3, SEG55/E_ISYNC  
33 (71M6533) or 46 (71M6534) combined DIO and segment pins  
o
71M6533: SEG24/DIO4 to SEG31/DIO11, SEG33/DIO13 to SEG41/DIO21, SEG43/DIO23 to  
SEG47/DIO27, SEG49/DIO29, SEG50/DIO30, SEG61/DIO41, SEG63/DIO43 to  
SEG65/DIO45, and SEG67/DIO47 to SEG71/DIO51.  
o
71M6534: SEG24/DIO4 to SEG50/DIO30, SEG56/DIO36 to SEG59/DIO39, SEG61/DIO41 to  
SEG75/DIO55.  
71M6533/71M6534  
LCD  
segments  
commons  
Figure 33: Connecting LCDs  
3.7 Connecting I2C EEPROMs  
I2C EEPROMs or other I2C compatible devices should be connected to the DIO pins DIO4 and DIO5, as  
shown in Figure 34.  
Pull-up resistors of roughly 10 kto V3P3D (to ensure operation in BROWNOUT mode) should be used  
for both SCL and SDA signals. The DIO_EEX register in I/O RAM must be set to 01 in order to convert  
the DIO pins DIO4 and DIO5 to I2C pins SCL and SDA.  
V3P3D  
10 kΩ  
10 kΩ  
EEPROM  
DIO4  
DIO5  
SCL  
SDA  
71M6533/71M6534  
Figure 34: I2C EEPROM Connection  
68  
© 2007-2009 TERIDIAN Semiconductor Corporation  
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