Hardware Integration Guide
Rev 3 Sep.18
30
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30
GND
Ground
0V
0V
-
-
Ground
C
31
GPIO(36)
GPIO
I/O
VDD_PADS_BB
NP
SW
General Purpose I/O
C
SENSOR_VP
VoltMeasure
I
NP
H
ADC input for voltage measurement
32
GPIO(37)
GPIO
I/O
VDD_PADS_BB
NP
SW
General Purpose I/O
C
SENSOR_CAPP
VoldMeasure
I
NP
H
ADC input for voltage measurement
33
VGPIO
Power
O
3.3V
Reference voltage output
C
34
GPIO(38)
GPIO
I/O
VDD_PADS_BB
NP
SW
General Purpose I/O
C
SENSOR_CAPN
VoltMeasure
I
NP
H
ADC input for voltage measurement
35
GPIO(27)
GPIO
I/O
VDD_PADS_BB
NP
L
General Purpose I/O
E
36
GPIO(39)
GPIO
I/O
VDD_PADS_BB
NP
SW
General Purpose I/O
C
SENSOR_VN
VoltMeasure
I
NP
H
ADC input for voltage measurement
37
ENABLE
Control
I
VDD_PADS_BB
L
Turn module on/off
C
38
Reserved
NoConnect
-
-
-
-
-
E
39
GND
Ground
0V
0V
-
-
Ground
C
40
RF_MAIN
RF
I/O
-
-
(BX3100) RF antenna, DC blocked
(BX3105) Leave pin unconnected
C
41
GND
Ground
0V
0V
-
-
Ground
C
42
SD_CMD
SDIO
I/O
VDD_PADS_BB
NP
H
SDIO Command
E
HSPICS0
SPI
I/O
NP
SW
SPI Chip Select
C
GPIO(15)
GPIO
I/O
NP
SW
General Purpose I/O
E
43
SD_DATA2
SDIO
I/O
VDD_PADS_BB
NP
H
SDIO Data bit 2
E
HSPIQ
SPI
I/O
NP
SW
SPI Data In
C
GPIO(12)
GPIO
I/O
NP
SW
General Purpose I/O
E
44
SD_CLK
SDIO
I/O
VDD_PADS_BB
NP
H
SDIO Clock
E
HSPICLK
SPI
I/O
NP
SW
SPI Clock (output from Master)
C
GPIO(14)
GPIO
I/O
NP
SW
General Purpose I/O
E
45
SD_DATA3
SDIO
I/O
VDD_PADS_BB
NP
H
SDIO Data bit 3
E
HSPID
SPI
I/O
NP
SW
SPI Data Out
C
GPIO(13)
GPIO
I/O
NP
SW
General Purpose I/O
E
46
SD_DATA0
SDIO
I/O
VDD_PADS_BB
NP
H
SDIO Data bit 0
E
HSPIWP
SPI
O
NP
SW
SPI Write Protect
E
GPIO(2)
GPIO
I/O
NP
SW
General Purpose I/O
E
Table 7-1: Pin Definitions (Continued)
Pin
Signal name
Group
I/O
a
Voltage
PU/
PD
b
Active
c
Function
Type
d