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
×
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