CC8520_11 Datasheet, PDF (8/18 Pages) Texas Instruments – 2.4 GHz RF SoC FOR WIRELESS DIGITAL AUDIO STREAMING

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CC8520, CC8521, CC8530 & CC8531
SWRS091D – JULY 2011
PIN PIN NAME PIN TYPE
DESCRIPTION
26 AVDD
Power (Analog) Analog power supply connection
27 AVDD
Power (Analog) Analog power supply connection
28 AVDD
Power (Analog) Analog power supply connection
29 VBAT
Analog input
Battery voltage supervisor (threshold level programmable by external resistor to positive
battery terminal)
30 RBIAS
Analog output
External precision bias resistor for reference current. 56 k , 1%
31 AVDD
32 SCL
Power (Analog)
Digital I/O¹
Analog power supply connection (Guard ring AVDD connection for digital noise isolation)
I2C master clock line. Must be connected to external pull-up
GIO10
33 SDA
Digital I/O¹
General-purpose digital I/O pin 10
I2C master data line. Must be connected to external pull-up
GIO11
34 GIO12
35 GIO13
36 xPAEN
Digital I/O¹
Digital I/O¹
Digital I/O²
General-purpose digital I/O pin 11
General-purpose digital I/O pin 12
General-purpose digital I/O pin 13
Control external PA
37 IOVDD
Power (I/O pads) Digital power supply for SCL-GIO15 pins.
38
xLNAEN
Digital I/O²
Control external LNA
39 DCPL
Power (Digital)
1.7V-1.85 V linear voltage regulator output to which a 1 uF decoupling capacitor should be
attached. For test-purposes an external digital supply voltage (1.62-1.98 V) can be applied
here, bypassing the voltage regulator.
NOTE: The voltage regulator is intended for use with the CC85xx chip only. It cannot be
used to provide supply voltage to other devices.
40 DVDD
Power (Digital) Digital power supply for the linear voltage regulator.
1 _{Digital I/O pad with 4 mA source/sink capability.}
2 _{Digital I/O pad with 20 mA source/sink capability.}
8
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