Datasheet

12
CC2650
SWRS158B –FEBRUARY 2015–REVISED JULY 2016 www.ti.com
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Terminal Configuration and Functions Copyright © 2015–2016, Texas Instruments Incorporated
Table 4-3. Signal Descriptions – RSM Package (continued)
NAME NO. TYPE DESCRIPTION
(3) If internal DC-DC is not used, this pin is supplied internally from the main LDO.
(4) If internal DC-DC is not used, this pin must be connected to VDDR for supply from the main LDO.
RX_TX 4 RF I/O Optional bias pin for the RF LNA
VDDR 28 Power 1.7-V to 1.95-V supply, typically connect to output of internal DC-DC.
(2)(3)
VDDR_RF 32 Power 1.7-V to 1.95-V supply, typically connect to output of internal DC-DC
(2)(4)
VDDS 27 Power 1.8-V to 3.8-V main chip supply
(1)
VDDS2 11 Power 1.8-V to 3.8-V GPIO supply
(1)
VDDS_DCDC 19 Power
1.8-V to 3.8-V DC-DC supply. Tie to ground for external regulator mode
(1.7-V to 1.95-V operation).
VSS
3, 7, 17, 20,
29
Power
Ground
X32K_Q1 5 Analog I/O 32-kHz crystal oscillator pin 1
X32K_Q2 6 Analog I/O 32-kHz crystal oscillator pin 2
X24M_N 30 Analog I/O 24-MHz crystal oscillator pin 1
X24M_P 31 Analog I/O 24-MHz crystal oscillator pin 2
EGP Power Ground – Exposed Ground Pad