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Rabbit 6000 User’s Manual
digi.com
313
26.2 Dependencies
26.2.1 I/O Pins
The wireless network port interface has 36 dedicated pins, as shown in Table 26-1.
Table 26-1. Wireless Port Interface
Block
Section
Signal
Direction
Function
Analog
Input
VRXQ+
Input
Q channel differential
voltage input.
VRXQ-
Input
VRXI+
Input
I channel differential
voltage input.
VRXI-
Input
Output
ITXQ+
Output
Q channel differential
current output.
ITXQ-
Output
ITXI+
Output
I channel differential
current output.
ITXI-
Output
Clock
XTL_20MI
—
20MHz crystal input.
XTL_20MO
Monitor ADC
S_VIN
Input
Monitor ADC input.
S
—
Optional A/D converter
reference voltage monitors.
S_AD_REF-
Bias
VBG
—
Bandgap voltage (unused)
AD_RSET
—
Bias resistor for Wi-Fi A/D
converter (12.1 k
to ground
optimal).
DA_RSET
—
Bias resistor for Wi-Fi D/A
converter (9.1 k
to ground
optimal).
COMP
—
Connect to Wi-Fi_2.5V.
Summary of Contents for 6000
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Page 11: ...Rabbit 6000 User s Manual digi com 11 1 3 Block Diagram Figure 1 1 Rabbit 6000 Block Diagram...
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Page 234: ...Rabbit 6000 User s Manual digi com 234 Figure 22 3 Sample Slow A D Converter Circuit...
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