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3 – gpio code example, 1 – gpio pin as output, 2 – gpio high-impedance input – Maxim Integrated DS4830A Optical Microcontroller User Manual

Page 142: 3 – gpio weak pullup input, 4 – gpio open-drain output

3 – gpio code example, 1 – gpio pin as output, 2 – gpio high-impedance input | 3 – gpio weak pullup input, 4 – gpio open-drain output | Maxim Integrated DS4830A Optical Microcontroller User Manual | Page 142 / 240 3 – gpio code example, 1 – gpio pin as output, 2 – gpio high-impedance input | 3 – gpio weak pullup input, 4 – gpio open-drain output | Maxim Integrated DS4830A Optical Microcontroller User Manual | Page 142 / 240