CC2533_11 Datasheet, PDF (24/34 Pages) Texas Instruments – An Optimized System-on-Chip Solution for 2.4-GHz IEEE 802.15.4 Remote Control Applications

CC2533
SWRS087 – JUNE 2010
APPLICATION INFORMATION
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Few external components are required for the operation of the CC2533. A typical application circuit is shown in
Figure 19. Typical values and description of external components are shown in Table 5.
2-V to 3.6-V
Power Supply
Optional 32-kHz Crystal
C401
C331
C321
1 NC
2 SCL
3 SDA
4 NC
5 P1_5
6 P1_4
7 P1_3
8 P1_2
9 P1_1
10 DVDD2
CC2533
DIE ATTACH PAD
RBIAS 30
AVDD4 29
AVDD1 28
AVDD2 27
RF_N 26
RF_P 25
AVDD3 24
XOSC_Q2 23
XOSC_Q1 22
AVDD5 21
R301
C251
L252
C252
C261
L251
L261
C262
Antenna
(50 W)
C253
Power-Supply Decoupling Capacitors Are Not Shown
Digital I/O Not Connected
C221
XTAL
C231
Figure 19. CC2533 Application Circuit
Table 5. Overview of External Components (Excluding Supply Decoupling
Capacitors)
Component
C221
C231
C251
C252
C253
C261
C262
C321
C331
C401
L252
Description
32-MHz xtal loading capacitor
32-MHz xtal loading capacitor
Part of the RF matching network
Part of the RF matching network
Part of the RF matching network
Part of the RF matching network
Part of the RF matching network
32-kHz xtal loading capacitor
32-kHz xtal loading capacitor
Decoupling capacitor for the internal digital regulator
Part of the RF matching network
Value
27 pF
27 pF
18 pF
1 pF
2.2 pF
18 pF
1 pF
15 pF
15 pF
1 mF
2 nH
S0383-02
24
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