CC2650 Datasheet, PDF (10/64 Pages) Texas Instruments – Multistandard Wireless MCU

CC2650
SWRS158B – FEBRUARY 2015 – REVISED JULY 2016
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Table 4-2. Signal Descriptions – RHB Package (continued)
NAME
RESET_N
RF_N
RF_P
RX_TX
VDDR
VDDR_RF
VDDS
VDDS2
VDDS_DCDC
X32K_Q1
X32K_Q2
X24M_N
X24M_P
EGP
NO.
TYPE
DESCRIPTION
19
Digital input Reset, active-low. No internal pullup.
2
RF I/O
Negative RF input signal to LNA during RX
Negative RF output signal to PA during TX
1
RF I/O
Positive RF input signal to LNA during RX
Positive RF output signal to PA during TX
3
RF I/O
Optional bias pin for the RF LNA
29
Power
1.7-V to 1.95-V supply, typically connect to output of internal DC-DC⁽³⁾⁽²⁾
32
Power
1.7-V to 1.95-V supply, typically connect to output of internal DC-DC⁽²⁾⁽⁴⁾
28
Power
1.8-V to 3.8-V main chip supply⁽¹⁾
11
Power
1.8-V to 3.8-V GPIO supply⁽¹⁾
18
Power
1.8-V to 3.8-V DC-DC supply
4
Analog I/O
32-kHz crystal oscillator pin 1
5
Analog I/O
32-kHz crystal oscillator pin 2
30
Analog I/O
24-MHz crystal oscillator pin 1
31
Analog I/O
24-MHz crystal oscillator pin 2
Power
Ground – Exposed Ground Pad
(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.
10
Terminal Configuration and Functions
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