CC2640R2F Datasheet, PDF (45/64 Pages) Texas Instruments – SimpleLink Bluetooth low energy Wireless MCU

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CC2640R2F
SWRS204 – DECEMBER 2016
7.3 4 × 4 External Single-ended (4XS) Application Circuit
VDD_EB
FL1
2
1
BLM18HE152SN1
VDDS _{VDDS Decoupling Capacitors}
Pin 11
Pin 27
Pin 19
C2
DNM
C3
100 nF
C4
100 nF
C5
10 µF
C6
100 nF
DCDC_SW 1 ^L1 2
10 µH
C8
10 µF
VDDR _{VDDR Decoupling Capacitors}
Pin 28
Pin 32
C9
100 nF
C16
100 nF
C10
DNM
Place L1 and
C8 close to pin 18
VDDS
nRESET
R1
100 k
C20
100 nF
DIO_0
DIO_1
DIO_2
DIO_3/JTAG_TDO
DIO_4/JTAG_TDI
DIO_5
DIO_6
DIO_7
DIO_8
DIO_9
nRESET
JTAG_TCK
JTAG_TMS
C19
1 µF
VDDS VDDR
U1
8 _{DIO_0}
9 _{DIO_1}
10 _{DIO_2}
15 _{DIO_3}
16 _{DIO_4}
22 _{DIO_5}
23 _{DIO_6}
24 _{DIO_7}
27
VDDS ₁₁
VDDS2 ₁₉
VDDS_DCDC ₂₈
VDDR ₃₂
VDDR
18
DCDC_SW
25 _{DIO_8}
26 _{DIO_9}
21 _{RESET_N}
14 _{JTAG_TCKC}
4
RX/TX
RF_N
2
1
RF_P
13 _{JTAG_TMSC}
31
12
X24M_P ₃₀
DCOUPL
X24M_N
3
7 ^VSS
17 ^VSS
20 ^VSS
29 ^VSS
33 ^VSS
EGP
6
X32K_Q2 ₅
X32K_Q1
CC26XX_4X4
DCDC_SW
RF_P
X24M_P
X24M_N
RF_N used for RX biasing.
L21 may be removed at the
cost of 1 dB degraded
sensitivity
L21
1
2
15 nH
L12
1
2
C12 ^{2 nH}
1.2 pF
Y1
32.768 kHz
Y2
24 MHz
1
3
C17
12 pF
C18
12 pF
C22
DNM
24
C23
DNM
C14
C13 _{12 pF}
1.2 pF
50-Ω
Antenna
Copyright © 2016, Texas Instruments Incorporated
Figure 7-5. 4 × 4 External Single-ended (4XS) Application Circuit
Copyright © 2016, Texas Instruments Incorporated
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Application, Implementation, and Layout
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