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AD7877 Folha de dados(PDF) 44 Page - Analog Devices |
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AD7877 Folha de dados(HTML) 44 Page - Analog Devices |
44 / 46 page Data Sheet AD7877 Register Name: GPIO Control Register 2 Write Address: [1111] 0001 Read Address: 11100 Default Value: 0x000 Type: Read/write Table 23. Bit Name Read/Write Description 0 GPIO4_ALEN R/W If this bit is 1, GPIO4 is an interrupt source for the ALERT output; clearing this bit masks out GPIO3 as an interrupt source for the ALERT output 1 GPIO4_DIR R/W This bit sets the direction of GPIO4 0 = output 1 = input 2 GPIO4_POL R/W This bit determines if GPIO4 is active high or low 0 = active low 1 = active high 3 Not Used This bit is not used 4 GPIO3_ALEN R/W If this bit is 1, GPIO3 is an interrupt source for the ALERT output; clearing this bit masks out GPIO4 as an interrupt source for the ALERT output 5 GPIO3_DIR R/W This bit sets the direction of GPIO3 0 = output 1 = input 6 GPIO3_POL R/W This bit determines if GPIO3 is active high or low 0 = active low 1 = active high 7 GPIO3_EN R/W This bit selects the function of AUX3/GPIO3 0 = AUX3 1 = GPIO3 Register Name: GPIO Data Register Write Address: [1111] 0010 Read Address: 11101 Default Value: 0x000 Type: Read/write Table 24. Bit Name Read/Write Description 0 Not used This bit is not used 1 Not used This bit is not used 2 Not used This bit is not used 3 Not used This bit is not used 4 GPIO4_DAT R/W GPIO4 data bit 5 GPIO3_DAT R/W GPIO3 data bit 6 GPIO2_DAT R/W GPIO2 data bit 7 GPIO1_DAT R/W GPIO1 data bit Rev. E | Page 43 of 45 |
Nº de peça semelhante - AD7877_17 |
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Descrição semelhante - AD7877_17 |
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