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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
_
1
0
D
IO
_
7
D
IO
_
9
D
IO
_
8
D
C
D
C
_
SW
R
ESET
_
N
VD
D
S
_
D
C
D
C
D
IO
_
1
1
VDDR_RF
X24M_N
X24M_P
VDDR
VDDS
DIO_13
DIO_14
DIO_12
DIO_3
JTAG_TMSC
DIO_4
DCOUPL
VDDS2
JTAG_TCKC
DIO_5
DIO_6
R
F
_
P
R
F
_
N
R
X
_
T
X
D
IO
_
0
D
IO
_
1
D
IO
_
2
X3
2
K_
Q
1
X3
2
K_
Q
2
9
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.
4.3
Pin Diagram – RHB Package
Note:
I/O pins marked in
bold
have high drive capabilities. I/O pins marked in
italics
have analog capabilities.
Figure 4-2. RHB Package
32-Pin VQFN
(5-mm × 5-mm) Pinout, 0.5-mm Pitch
4.4
Signal Descriptions – RHB Package
Table 4-2. Signal Descriptions – RHB Package
NAME
NO.
TYPE
DESCRIPTION
DCDC_SW
17
Power
Output from internal DC-DC
(1)
DCOUPL
12
Power
1.27-V regulated digital-supply decoupling
(2)
DIO_0
6
Digital I/O
GPIO, Sensor Controller
DIO_1
7
Digital I/O
GPIO, Sensor Controller
DIO_2
8
Digital I/O
GPIO, Sensor Controller, high-drive capability
DIO_3
9
Digital I/O
GPIO, Sensor Controller, high-drive capability
DIO_4
10
Digital I/O
GPIO, Sensor Controller, high-drive capability
DIO_5
15
Digital I/O
GPIO, High drive capability, JTAG_TDO
DIO_6
16
Digital I/O
GPIO, High drive capability, JTAG_TDI
DIO_7
20
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_8
21
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_9
22
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_10
23
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_11
24
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_12
25
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_13
26
Digital/Analog I/O
GPIO, Sensor Controller, Analog
DIO_14
27
Digital/Analog I/O
GPIO, Sensor Controller, Analog
JTAG_TMSC
13
Digital I/O
JTAG TMSC, high-drive capability
JTAG_TCKC
14
Digital I/O
JTAG TCKC