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AD7761 Datasheet(PDF) 63 Page - Analog Devices |
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AD7761 Datasheet(HTML) 63 Page - Analog Devices |
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63 / 69 page  Data Sheet AD7761 Rev. 0 | Page 63 of 69 Bits Bit Name Setting Description Reset Access 3 GPIOE3_MODE3 GPIO3 direction. This bit assigns the direction of GPIO3 as either an input or an output. For SPI control, GPIO3 maps to Pin 15, which is the MODE3/GPIO3 pin. 0x0 RW 0 Input. 1 Output. 2 GPIOE2_MODE2 GPIO2 direction. This bit assigns the direction of GPIO2 as either an input or an output. For SPI control, GPIO2 maps to Pin 14, which is the MODE2/GPIO2 pin. 0x0 RW 0 Input. 1 Output. 1 GPIOE1_MODE1 GPIO1 direction. This bit assigns the direction of GPIO1 as either an input or an output. For SPI control, GPIO1 maps to Pin 13, which is the MODE1/GPIO1 pin. 0x0 RW 0 Input. 1 Output. 0 GPIO0_MODE0 GPIO0 direction. This bit assigns the direction of GPIO0 as either an input or an output. For SPI control, GPIO0 maps to Pin 12, which is the MODE0/GPIO0 pin. 0x0 RW 0 Input. 1 Output. GPIO WRITE DATA REGISTER Address: 0x0F, Reset: 0x00, Name: GPIO Write Data This register writes the values to be set on each of the general-purpose pins when selected as general-purpose outputs. Each bit, from Bits[4:0], maps directly to the GPIOx pins. Table 46. Bit Descriptions for GPIO Write Data Bits Bit Name Description Reset Access 4 GPIO4_WRITE FILTER/GPIO4 0x0 RW 3 GPIO3_WRITE MODE3/GPIO3 0x0 RW 2 GPIO2_WRITE MODE2/GPIO2 0x0 RW 1 GPIO1_WRITE MODE1/GPIO1 0x0 RW 0 GPIO0_WRITE MODE0/GPIO0 0x0 RW GPIO READ DATA REGISTER Address: 0x10, Reset: 0x00, Name: GPIO Read Data This register reads back the value of the logic input level at the general-purpose pins when selected to operate as general-purpose inputs. Each bit, from Bits[4:0], maps directly to the GPIO0 to GPIO4 pins. Table 47. Bit Descriptions for GPIO Read Data Bits Bit Name Description Reset Access 4 GPIO4_READ FILTER/GPIO4 0x0 R 3 GPIO3_READ MODE3/GPIO3 0x0 R 2 GPIO2_READ MODE2/GPIO2 0x0 R 1 GPIO1_READ MODE1/GPIO1 0x0 R 0 GPIO0_READ MODE0/GPIO0 0x00 R |
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