Rabbit RabbitCore RCM3400 User Manual page 97

Table B-6. RCM3400 Prototyping Board Jumper Configurations (continued)
Header Description
Analog Voltage/4–20 mA
JP5
Options
JP9 ADC_IN4–ADC_IN5
JP10 Current Measurement Option
RS-485 Bias and Termination
JP3
Resistors
*
PG7 RS-232/RS-485 Select
JP4
*
PG3 IrDA/RS-232 Select
JP6
*
PG2 IrDA/RS-232 Select
JP7
*
PG6 RS-232/RS-485 Select
JP8
* These jumper connections are made using 0 Ω surface-mounted resistors.
User's Manual
Pins Connected
1–2 Connect for 4–20 mA option on ADC_IN3
3–4 Connect for 4–20 mA option on ADC_IN4
5–6 Connect for 4–20 mA option on ADC_IN5
7–8 Connect for 4–20 mA option on ADC_IN6
1–2 Tied to VREF
2–3 Tied to analog ground
1–2 +5 V
5–6 + 3.3 V
1–2 Bias and termination resistors
5–6 connected
Bias and termination resistors not
1–3
connected (parking position for
4–6
jumpers)
1–2 RS-485
2–3 RS-232 (RxE)
1–2 IrDA
2–3 RS-232 (RxF)
1–2 IrDA
2–3 RS-232 (TxF)
1–2 RS-485
2–3 RS-232 (TxE)
Factory
Default
n.c.
n.c.
n.c.
n.c.
×
Connected
Connected
×
×
×
×
×
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