28
29
27
30
2
1
2
0
2
2
1
9
1
8
13
12
14
11
4
5
3
6
7
26
15
25
16
31
10
32
9
2
3
2
2
4
1
1
7
8
D
IO
_
6
VSS
D
IO
_
5
R
ESET
_
N
VSS
VD
D
S
_
D
C
D
C
D
C
D
C
_
SW
D
IO
_
7
VDDR_RF
X24M_N
X24M_P
VSS
VDDR
DIO_9
VDDS
DIO_8
DIO_1
JTAG_TMSC
DIO_2
DCOUPL
VDDS2
JTAG_TCKC
DIO_3
DIO_4
R
F
_
P
R
F
_
N
VSS
X3
2
K_
Q
2
VSS
D
IO
_
0
R
X
_
T
X
X3
2
K_
Q
1
11
SWRS158B – FEBRUARY 2015 – REVISED JULY 2016
Product Folder Links:
Terminal Configuration and Functions
Copyright © 2015–2016, Texas Instruments Incorporated
(1)
See technical reference manual (listed in
) for more details.
(2)
Do not supply external circuitry from this pin.
4.5
Pin Diagram – RSM Package
Note:
I/O pins marked in
bold
have high drive capabilities. I/O pins marked in
italics
have analog capabilities.
Figure 4-3. RSM Package
32-Pin VQFN
(4-mm × 4-mm) Pinout, 0.4-mm Pitch
4.6
Signal Descriptions – RSM Package
Table 4-3. Signal Descriptions – RSM Package
NAME
NO.
TYPE
DESCRIPTION
DCDC_SW
18
Power
Output from internal DC-DC.
(1)
. Tie to ground for external regulator mode
(1.7-V to 1.95-V operation)
DCOUPL
12
Power
1.27-V regulated digital-supply decoupling capacitor
(2)
DIO_0
8
Digital I/O
GPIO, Sensor Controller, high-drive capability
DIO_1
9
Digital I/O
GPIO, Sensor Controller, high-drive capability
DIO_2
10
Digital I/O
GPIO, Sensor Controller, high-drive capability
DIO_3
15
Digital I/O
GPIO, High drive capability, JTAG_TDO
DIO_4
16
Digital I/O
GPIO, High drive capability, JTAG_TDI
DIO_5
22
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_6
23
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_7
24
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_8
25
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_9
26
Digital/Analog I/O
GPIO, Sensor Controller, Analog
JTAG_TMSC
13
Digital I/O
JTAG TMSC
JTAG_TCKC
14
Digital I/O
JTAG TCKC
RESET_N
21
Digital Input
Reset, active-low. No internal pullup.
RF_N
2
RF I/O
Negative RF input signal to LNA during RX
Negative RF output signal to PA during TX
RF_P
1
RF I/O
Positive RF input signal to LNA during RX
Positive RF output signal to PA during TX