User's Manual

Page 8 of 28 A8520E24A91 – Users Manual
Release Date: Dec 27
th
2010
Figure 1 the functionality of the A8520E24A91, using an integral antenna
CC259x
CC85xx
Bias
RF
RF
AVdd
HGM
PAEN EN
XPAEN/GIO14
XLNAEN/GIO15
AVdd
AVdd
DVdd
IOVdd
AD1
AD2/GIO9
AD0
WCLK
BCLK
MCLK
RSTN
GIO3 GIO2 GIO1
MOSI
SCLK
CS_N
MISO
XANTP/USBP XANTN/USBM
GIO13
GIO12
SDA
SCL
VBAT
100k
29
32
33
4
28
27
26
25
24
23
21
9
20
19 18 17
16 15 14
13
8
7
6
5
11
10
2
3
1
22
12
30
34
100k
DNC (AVdd_CC259x)
VBAT
SCL
SDA
GIO12
GIO13
XLNAEN/GIO15
XPAEN/GIO14
GND
DNC (RF-Test)
GND
GND
GND
GND
GND
31
HGM
Vdd
IOVdd
AD2/GIO9
AD1
AD0
WCLK
BCLK
MCLK
RSTN
GIO3
GIO2
GIO1
MISO
MOSI
SCLK
CS_N
XANTP/USBP
XANTN/USBM
X1
X0
48MHz
100k