ON Semiconductor RSL10 SIP, User Manual

Page: 6 / 13

EVBUM2565/D
www.onsemi.com
6
SWJ − DP DEBUG Port
The J − Link adapters are typically used to communicate
with RSL10 SIP using the standard Coresight SWJ − DP
debug port in a JTAG/SW communication protocol. The
9-pin 0.05 in Samtec FTSH header (
P1
), defined by the
Arm Cortex − M3 core on the board, connects RSL10 SIP to
external adapters compatible with the Arm Cortex − M3
processor’s SWJ − DP interface. Alternatively, you can
connect the micro USB port on the board to a PC.
DIGITAL Input/Output (DIO)
The RSL10 SIP contains 16 digital I/O (DIO) signals.
The DIO voltage domain is VDDO, while the input voltage
can be VBAT or external voltage as outlined in Section
“Measuring the Current Consumption” on page 5.
The DIO signals on the RSL10 SIP are multiplexed with
several interfaces, including:
•
One I
2
C interface (
DIO [7:8]
)
•
Four external inputs to the low-speed analog to digital
converters (
DIO [0:3]
)
•
One PCM interface
•
Two PWM drivers
•
Two SPI interfaces ( DIO [13:15] )
•
One UART interface (
DIO [4:5]
)
•
Support interfaces that can be used to monitor control
of the RF front-end and Bluetooth
® baseband controller
For more information about the DIO multiplexed signals,
refer to the RSL10 Hardware Reference .
The board provides access to any of the DIOs or their
multiplexed signals via the Arduino Headers ( Power1 ,
AD1 , IOL1 , and IOH1 ).
The LED circuit provides visual monitoring of the DIOs;
refer to Section “LED Circuitry” on page 5 for further
information.
Power Supplies
There are several external power supplies available on
your Evaluation and Development Board.
The user can also access signals on various headers on
boards, as described throughout this document.
The external power supplies available for QFN boards
are:
•
VBUS, 5 V from USB connection − available only
when USB is plugged in
•
V3.3, 3.3 V from LDO − available when regulated
supply is selected
•
VEXT, ( P5 header) unregulated external supply −
available when unregulated supply is selected
•
Battery ( J5 Battery Holder, 12 mm coin cell battery)
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