Download AN420 - Simple Sensor Application Kit
Transcript
Table 1. Prototyping Board Jumper Configurations (Continued) Header JP3 JP4 JP5 Description Device Selection Pins Connected 1–2 DS18B20 (U2) Temperature Sensor × 3–4 DS2406 (U1) Addressable Switch × 5–6 RJ-45 Jack for IO Networks 1-Wire Sensors (J1) × 7–8 Optional Sensor (U3), not installed 9–10 DS2450 (U4) A/D Converter × 1–3 DS1 LED to DS2406 (U1) × 2–4 +3.3 V to DS18B20 (U2) × 3–5 External load to DS2406 (U1) 4–6 GND to DS18B20 (U2) 7–9 +5 V to J1 pin 5 × 8–10 +5 V to J1 pin 7 × 3–4 × Connections A/D Converter Resistor Divider 5–6 7–8 Three-tap resistor divider for DS2450 inputs × × × 9–10 JP6 Factory Default 1–3 +12 V supply to allow programming DS2406 EEPROM 3–5 +5 V supply to DS2480B 6–8 +5 V supply to optional sensor 8–10 GND option for optional sensor if it is powered from the 1-Wire bus Power Supply Options 022-0141 Rev. B × 7