Laird BL654 - Page 26

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26
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Plated Through Holes or Header Connector
BL654 Module Signals Exposed
J1
2
Connects SIO_35 (nAutoRUN) to FTDI DTR
Default jumper fitted in J12
pin 2-1.
J5
SIO_ 02 (for VSP capability)
Can be used to pull-up SIO_02 to
VDD_nRF_SW
Default: No Jumper fitted on J5 SIO_02
J1
7
J2
1
J17 Routes SIO_27 (I2C SCL) to RTC_SCL
device
J17 pin 2-1 jumper NOT fitted (default).
J21 Routes SIO_26 (I2C_SDA) to RTC_SDA
device
J21 pin 2-1 jumper NOT fitted (default).
J6
J6 routes SIO_03 to Temp Sensor
J6 pin 2-1 jumper NOT fitted (default)
J3
6
BL654 pin plated holes for access:
SI0_ 09 via R100 0R (default NOPOP)
SI0_ 10 via R101 0R (default NOPOP)
To use NFC1 pin as SIO_09 fit R100 0R and
NOPOP R98.
To use NFC1 pin as SIO_09 fit R101 0R and
NOPOP R99.
R25
NOPOP (10K)
USB_DTR
GND
VDD_VSRC_nRF
PIN HEADER,2.54mm 1X3P
J12
1
1
2
2
3
3
n_Autorun /
module_DSR
Module_DSR
Develop: Jumper J12 pin2-1 (default)
nAUTORUN: Jumper J12 pin2-3
SIO_35
VDD_nRF_SW
PIN HEADER,2.54mm 1X2P
J5
1
1
2
2
VSP on SIO_02
SIO_02
R14
560R
R1080R
PIN HEADER,2.54mm 1X2P
J21
1
1
2
2
SIO_27
PIN HEADER,2.54mm 1X2P
J17
1
1
2
2
SIO_26
R1070R
RTC_SDA
RTC_SCL
SIO_03
PIN HEADER,2.54mm 1X2P
J6
1
1
2
2
Temp_Sens
C53
300pF,50VR100NOPOP (0R)
R101NOPOP (0R)
C54
300pF,50V
GND
PIN HEADER,2.54mm 1X2P
J36
1
1
2
2
GND
R98
0R
CON2
FFC/FPC,SMD/90d
1
1
2
2
3
3
4
4
5
5
GND
6
GND
7
NFC1_SIO_09
R99
0R
NFC2_SIO_10