CC2500-RTR1 datasheet(17/84 Pages) TI

17 / 84 page

CC2500

PRELIMINARY Data Sheet (Rev.1.2)

SWRS040A

Page 17 of 83

Component

Value

Manufacturer

C51

100 nF ±10%, 0402 X5R

Murata GRM15 series

C81

27 pF ±5%, 0402 NP0

Murata GRM15 series

C101

27 pF ±5%, 0402 NP0

Murata GRM15 series

C121

100 pF ±5%, 0402 NP0

Murata GRM15 series

C122

1.0 pF ±0.25 pF, 0402 NP0

Murata GRM15 series

C123

1.8 pF ±0.25 pF, 0402 NP0

Murata GRM15 series

C124

1.5 pF ±0.25 pF, 0402 NP0

Murata GRM15 series

C131

100 pF ±5%, 0402 NP0

Murata GRM15 series

C132

1.0 pF ±0.25 pF, 0402 NP0

Murata GRM15 series

L121

1.2 nH ±0.3 nH, 0402 monolithic

Murata LQG15 series

L122

1.2 nH ±0.3 nH, 0402 monolithic

Murata LQG15 series

L131

1.2 nH ±0.3 nH, 0402 monolithic

Murata LQG15 series

R171

56 kΩ ±1%, 0402

Koa RK73 series

XTAL

26.0 MHz surface mount crystal

NDK, AT-41CD2

Table 15: Bill Of Materials for the application circuit

In the CC2500EM reference design shown in

Figure 4, LQG15 series inductors from Murata

have been used. Measurements have been

performed with multi-layer inductors from other

manufacturers

(e.g.

Würth)

and

the

measurement results were the same as when

using the Murata part.

The Gerber files for the CC2500EM reference

design are available from the TI and Chipcon

websites.

Figure 4: CC2500EM reference design

Configuration Overview

CC2500 can be configured to achieve optimum

performance for many different applications.

Configuration is done using the SPI interface.

The

following

key

parameters

can

programmed:

•

Power-down / power up mode

•

Crystal oscillator power-up / power-down

•

Receive / transmit mode

•

RF channel selection

•

Data rate

•

Modulation format

•

RX channel filter bandwidth

•

RF output power

•

Data buffering with separate 64-byte

receive and transmit FIFOs

•

Packet radio hardware support

•

Forward Error Correction with interleaving

•

Data Whitening

•

Wake-On-Radio (WOR)

Details of each configuration register can be

found in Section 31, starting on page 51.

Figure 5 shows a simplified state diagram that

explains the main

CC2500 states, together with

typical usage and current consumption. For

detailed information on controlling the

CC2500

state machine, and a complete state diagram,

see Section 19, starting on page 35.

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