CC8520_11 Datasheet, PDF (7/18 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
-
GND
Ground
1
xANTN
USBN
2
xANTP
USBP
3
CS_N
4
SCLK
5
MOSI
6
MISO
Digital I/O¹
Digital I/O¹
Digital Input
(pull-up)
Digital I/O¹
Digital I/O¹
Digital I/O¹
DESCRIPTION
The exposed die attach pad must be connected to a solid ground plane underneath the
chip
CC85x0: DO NOT CONNECT (Future FW: Controlling external antenna switch)
CC85x1: USB D- data line
CC85x0: DO NOT CONNECT (Future FW: Controlling external antenna switch)
CC85x1: USB D+ data line
Serial SPI configuration interface, active low chip select
Serial SPI configuration interface, clock input/output
Serial SPI configuration interface, master data output, slave data input
Serial SPI configuration interface, master data input, slave data output.
7
GIO1
8
GIO2
9
GIO3
10 IOVDD
11 RSTN
12 IOVDD
13 MCLK
GIO4
14 BCLK
GIO5
15 WCLK
GIO6
16 AD0
GIO7
17 AD1
GIO8
18 IOVDD
19 AD2
GIO9
20 AVDD
21 X1
22 X0
23 AVDD
24 RF_P
25 RF_N
Digital I/O¹
Digital I/O¹
Digital I/O²
Power
(I/O pads)
Digital Input
(pull-up)
Power
(I/O pins)
Digital I/O¹
Digital I/O¹
Digital I/O¹
Digital I/O¹
Digital I/O¹
Power
(I/O pins)
Digital I/O²
Power (Analog)
Analog I/O
Analog I/O
Power (Analog)
RF I/O
RF I/O
General-purpose digital I/O pin 1
Configurable with PurePath™ Wireless Configurator
General-purpose digital I/O pin 2
General-purpose digital I/O pin 3
Configurable with PurePath™ Wireless Configurator
Digital power supply for the digital I/Os in the SPI interface and GIO1-GIO3.
Active-low device reset
Digital power supply for the RSTN and MCLK digital I/O pins.
Master clock output for external audio devices
General-purpose digital I/O pin 4
I2S/DSP audio interface bit clock (in/out)
General-purpose digital I/O pin 5
I2S/DSP audio interface word clock (in/out)
General-purpose digital I/O pin 6
I2S/DSP audio interface data line 0 (in/out)
General-purpose digital I/O pin 7
I2S/DSP audio interface data line 1 (in/out)
General-purpose digital I/O pin 8
Digital power supply for the digital I/Os in audio interface (BCLK-AD2).
I2S/DSP audio interface data line 2 (in/out)
Configurable with PurePath™ Wireless Configurator
2.0-3.6V analog power supply connection
Crystal oscillator pin input, or external clock input (48 MHz)
Crystal oscillator pin output (48 MHz)
Analog power supply connection
Positive differential RF input signal to LNA in receive mode
Positive differential RF output signal from PA in transmit mode
Negative differential RF input signal to LNA in receive mode
Negative differential RF output signal from PA in transmit mode
7
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