NXP Semiconductors LPC55S36-EVK User manual

LPC55S36-EVK Board User Manual
Supports LPC55S36-EVK Board Revision C
NXP Semiconductors Document identifier: LPC55S36-EVKUM
User Manual Rev. 1, 24 January 2022

Contents
Chapter 1 LPC55S36-EVK Overview.................................................................... 4
1.1 Acronyms and abbreviations..................................................................................................... 4
1.2 Related documentation .............................................................................................................5
1.3 Board kit contents......................................................................................................................6
1.4 Block diagram............................................................................................................................6
1.5 Board features...........................................................................................................................7
1.6 Board pictures........................................................................................................................... 8
1.7 Connectors.............................................................................................................................. 11
1.8 Jumpers...................................................................................................................................12
1.9 Push buttons............................................................................................................................23
1.10 LEDs......................................................................................................................................23
Chapter 2 LPC55S36-EVK Functional Description..............................................24
2.1 Power supplies........................................................................................................................ 24
2.1.1 Current measurement............................................................................................................... 27
2.2 Clocks......................................................................................................................................28
2.3 USB interface.......................................................................................................................... 28
2.4 USART interface......................................................................................................................28
2.5 I2C interface............................................................................................................................ 30
2.6 I2S interface............................................................................................................................ 31
2.6.1 Audio codec and audio expansion connector........................................................................... 32
2.7 HS SPI interface......................................................................................................................33
2.8 CAN interface.......................................................................................................................... 34
2.9 I3C interface............................................................................................................................ 35
2.10 Octal flash memory................................................................................................................36
2.11 DMIC and external DMIC connector......................................................................................37
2.12 mikroBUS socket...................................................................................................................37
2.13 Motor control and Arduino sockets........................................................................................38
2.13.1 Motor 1 control + unused MCU pin socket.............................................................................. 38
2.13.2 Motor 2 control + Arduino socket............................................................................................ 39
2.14 GPIOs and interrupts.............................................................................................................40
2.15 Board errata...........................................................................................................................41
2.16 Board operating conditions....................................................................................................41
Chapter 3 MCU-Link Debug Probe...................................................................... 42
3.1 MCU-Link overview................................................................................................................. 42
3.1.1 Supported firmware options...................................................................................................... 42
3.1.2 Using MCU-Link with development tools.................................................................................. 42
3.2 Installing device drivers and updating MCU-Link firmware......................................................42
3.3 Supported MCU-Link features.................................................................................................43
3.4 Supported debug scenarios.....................................................................................................44
3.5 Connecting to a target through a USB-to-UART bridge.......................................................... 45
3.6 Connecting to a target through a USB-to-SPI or USB-to-I2C bridge.......................................45
3.7 Connecting to a target through a USB-to-GPIO bridge........................................................... 46
3.8 Measuring target MCU power consumption............................................................................ 46
3.9 MCU-Link status LEDs............................................................................................................ 47
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Appendix A Revision History................................................................................48
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Chapter 1
LPC55S36-EVK Overview
The LPC55S36-EVK board is a powerful and flexible, evaluation and development platform for NXP LPC55S36/LPC5536
microcontrollers (MCUs). It belongs to the LPCXpresso family of boards — boards for NXP LPC MCUs based on Arm®
Cortex®-M cores.
The board is compatible with the Arduino UNO R3 and Mikroe click boards. It can be used with a wide range of development tools,
including NXP MCUXpresso IDE, Keil µVision®, and IAR Embedded Workbench. The board is lead-free and RoHS-compliant.
The LPC55S36-EVK Rev. C board uses an onboard debug probe, known as MCU-Link, for debugging the LPC5536 MCU. The
MCU-Link debug probe is based on another MCU, LPC55S69. The LPC5536 MCU is referred to as "target MCU" in this document
for simplicity and for differentiating it from the LPC55S69 MCU.
This document provides detailed information about the LPC55S36-EVK board interfaces, power supplies, clocks, push buttons,
jumpers, and LEDs.
1.1 Acronyms and abbreviations
The table below lists and explains the acronyms and abbreviations used in this document.
Table 1. Acronyms and abbreviations
Term Description
4PDT Four pole double throw
ADC Analog-to-digital converter
BGA Ball grid array
CAN Controller area network
Codec Coder/decoder
DAC Digital-to-analog converter
DMIC Digital PDM microphone
DNP Do not populate
FD Flexible data-rate
GPIO General-purpose input/output
HID Human interface device
HS High-speed
I2C Inter-integrated circuit
I3C Improved inter-integrated circuit
I2S Inter-IC sound
IDE Integrated development environment
ISP In-System Programming
LED Light-emitting diode
MCU Microcontroller unit
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Table 1. Acronyms and abbreviations (continued)
Term Description
NFC Near field communication
Op-amp Operational amplifier
PDM Pulse-density modulation
POR Power-on reset
PWM Pulse width modulation
RC Resistor-capacitor
SDK Software development kit
SMT Surface-mount technology
SPI Serial peripheral interface
SWD Serial wire debug
SWO Serial wire debug trace output
UART Universal asynchronous receiver/transmitter
USART Universal synchronous/asynchronous receiver/transmitter
USB Universal serial bus
VCOM Virtual communication
1.2 Related documentation
The table below lists and explains the additional documents and resources that you can refer to for more information on the
LPC55S36-EVK board. Some of the documents listed below may be available only under a non-disclosure agreement (NDA). To
request access to these documents, contact your local field applications engineer (FAE) or sales representative.
Table 2. Related documentation
Document Description Link / how to access
LPC55S3x Reference Manual /
LPC553x Reference Manual
Intended for system software and hardware
developers and application programmers who want to
develop products with LPC55S3x/LPC553x MCU
Contact NXP FAE /
sales representative
LPC55S3x Data Sheet / LPC553x
Data Sheet
Provides information about electrical characteristics,
hardware design considerations, and
ordering information
Contact NXP FAE /
sales representative
LPC55S6x/LPC55S2x/LPC552x
User manual (UM11126)
Intended for system software and hardware
developers and application programmers who want
to develop products with LPC55S6x/LPC55S2x/
LPC552x MCU
UM11126.pdf
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1.3 Board kit contents
The table below lists the items included in the LPC55S36-EVK board kit.
Table 3. Board kit contents
Item description Quantity
LPC55S36-EVK board 1
USB cable 1
M3 x 40 mm female-female brass hex standoff 4
M3 x 5 mm stainless steel Phillips pan head screw 4
LPC55S36-EVK Quick Start Guide 1
1.4 Block diagram
The figure below shows the LPC55S36-EVK block diagram.
LPC55S36 /
LPC5536
CAN FD
DB9
Monitor sensor
Audio codec
User LEDs
HS SPI
I3C
SEC GPIO
GPIO
PWM
COMP
Expansion
connectors
mikroBUS
I2C (ISP)
SWD/SDO
SPI (ISP)
HS USB
micro-B
Xtal
16 MHz
Xtal
32.768 kHz
USART
header
CAN
transceiver
I2S
External power
USB micro-B
FS USB
micro-AB
Buffer
ADC
I2C
Buffer
MCU-Link
User butttons
Buffer
UART (ISP)
Buffer
Buffer
Figure 1. LPC55S36-EVK block diagram
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1.5 Board features
The table below describes the features of the LPC55S36-EVK board.
Table 4. LPC55S36-EVK features
Board feature Target MCU feature used Description
MCU (target MCU) LPC5536 MCU with 32-bit Arm Cortex-M33 core running at a
frequency of up to 150 MHz
For details on the LPC5536 MCU, see
LPC553x Reference Manual .
NOTE
USB USB 2.0 full-speed host and device
controller (USB0)
A USB micro-AB connector for the target MCU USB0
connection. The board also provides a USB micro-B
connector as a power-only connector and another USB
micro-B connector for MCU-Link.
USART Flexcomm modules 0 and 2 • FC0 USART connection is supported as:
— An external UART connection from a 1x3 pin
header or a USB-to-UART bridge for connecting
MCU-Link to the target MCU
— An external UART connection from one of the
connectors of Motor 2 + Arduino socket
• FC2 USART connection is supported as an external
UART connection from one of the connectors of
mikroBUS socket
I2C Flexcomm modules 1, 3, and 7 • FC1 I2C: Supports a USB-to-I2C bridge between MCU-
Link and the target MCU
• FC3 I2C: Connects to one of the connectors of Motor 2 +
Arduino socket
• FC7 I2C: Connects to another connector of Motor 2
+ Arduino socket, one of the connectors of mikroBUS
socket, audio codec, audio expansion connector, and
external DMIC connector
I2S Flexcomm modules 0, 2, 3, 4, and 6 I2S connections are supported on an audio codec and audio
expansion connector
HS SPI Flexcomm module 8 Three HS SPI slave selects are used:
• SS0: Connects to one of the connectors of mikroBUS
socket
• SS1: Supports a USB-to-SPI bridge between MCU-Link
and the target MCU
• SS3: Connects to one of the connectors of Motor 2 +
Arduino socket
CAN Controller area network flexible data
(MCAN) controller
A high-speed CAN transceiver for driving CAN signals
between the target MCU and a DB9 connector
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Table 4. LPC55S36-EVK features (continued)
Board feature Target MCU feature used Description
I3C I3C module (I3C0) I3C slave devices:
• 6-axis motion tracking device with integrated 3-axis
gyroscope and 3-axis accelerometer
• One of the connectors of the Motor 1 + unused MCU pin
socket
Octal flash FlexSPI host controller 512 Mbit octal serial NOR flash memory
DMIC Digital PDM microphone (DMIC)
module
Onboard DMIC and an external DMIC connector
mikroBUS mikroBUS socket with two 1x8 position receptacles
Motor control and
Arduino
Motor control subsystem (FlexPWM0,
FlexPWM1, ADC0, ADC1, DAC0,
and DAC1)
Two Arduino UNO compatible sockets, each with four
receptacles (2x6, 2x8, 2x10, and 2x8 positions)
Power supply The board accepts the following external power supplies:
• External 5 V power through one of the three USB
connectors
• VIN1 power from one of the connectors of the Motor 1 +
unused MCU pin socket
• VIN2 power from one of the connectors of Motor 2 +
Arduino socket
Clock Two crystals (16 MHz and 32.768 kHz) provide clocks to the
target MCU
Debug • MCU-Link debug probe (onboard debug probe) can be
used to debug the target MCU using a USB micro-B
connector provided on the board. It supports CMSIS-
DAP and SEGGER J-Link protocol options.
• An external debug probe can also be attached for
debugging the target MCU
• MCU-Link debug probe can also be used for debugging
an external target MCU
1.6 Board pictures
The figure below shows the top-side view of the LPC55S36-EVK board, with connectors, push buttons, and LEDs highlighted.
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J1 (USB MCU-LINK)
J2 (USB ext. supply)
J3 (USB target MCU)
J19 (CAN)
J5 (Audio in)
J6 (Audio out)
JP3 (UART)
J44 (Audio expansion)
J102
J132
J92
J122
J8 (mikroBUS) J7 (mikroBUS)
J41 (Ext. DMIC)
J38 (SWD)
SW1 (Wake-up)
SW3 (User)
SW2 (Reset)
D4
D5
D16 D18 D17
D15
D20
D14
(Motor 2 + Arduino) (Motor 2 + Arduino)
Figure 2. LPC55S36-EVK connectors, push buttons, and LEDs (top-side view)
The figure below shows the bottom-side view of the LPC55S36-EVK board, with four connectors and one LED highlighted.
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J12
J9
J13
J10
D19
(Motor 1) (Motor 1)
Figure 3. LPC55S36-EVK connectors and LEDs (bottom-side view)
The figure below shows jumpers of the LPC55S36-EVK board.
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JP76
JP1
JP20
JP2 JP51 JP53
JP19
JP33 JP74 JP21, JP28, JP22
JP49 JP48
JP26 JP4
JP71
JP70
JP12
JP50 JP52
JP45 JP56
JP64 JP43 JP41 JP65
JP44 JP62 JP42 JP61
JP66
JP67
JP68 JP69
JP63 JP46
JP23 JP24
JP25 JP75
JP27
JP80
JP73 JP77
JP79
JP58
JP78 JP72
J43
JP18
JP7
JP8
Figure 4. LPC55S36-EVK jumpers
1.7 Connectors
The LPC55S36-EVK connectors are shown in Figure 2 and are described in the table below.
Table 5. LPC55S36-EVK connectors
Part identifier Connector type Description Reference section
J1 USB 2.0 micro-B receptacle MCU-Link debug probe USB
connector
USB interface
J2 USB 2.0 micro-B receptacle External 5 V power connector
J3 USB 2.0 micro-AB receptacle Target MCU USB connector
JP3 1x3 pin header Connector for accessing the
Flexcomm 0 (USART) port of the
USART interface
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Table 5. LPC55S36-EVK connectors (continued)
Part identifier Connector type Description Reference section
target MCU for an external UART
connection
J5 4-pin audio jack Audio input connector for onboard
audio codec
I2S interface
J6 Audio output connector for onboard
audio codec
J44 2x12 pin header Audio expansion connector
J19 DB9 male connector High-speed CAN connector CAN interface
J45 (DNP) 2x14 pin header External flash connector Octal flash memory
J41 2x7 pin header External digital PDM microphone
(DMIC) connector
DMIC and external DMIC
connector
J7 1x8 position receptacle mikroBUS socket connectors mikroBUS socket
J8
J13 2x6 position receptacle Motor 1 control + unused MCU
pin socket connectors (placed on
bottom side of PCB)
Motor 1 control + unused
MCU pin socket
J10 2x8 position receptacle
J9 2x10 position receptacle
J12 2x8 position receptacle
J132 2x6 position receptacle Motor 2 control + Arduino socket
connectors
Motor 2 control +
Arduino socket
J102 2x8 position receptacle
J92 2x10 position receptacle
J122 2x8 position receptacle
J38 2x10 pin header Debug (SWD) connector to connect
an external debug probe or external
debug target
Supported debug
scenarios
JP31 (DNP) 1x3 pin header ADC reference connector. JP31 is
not populated on the board. If
populated, it can be used as an
access point to inject positive and
negative voltage references at its
pins 1 and 3, respectively, for the
target MCU ADC.
For more information
on these connectors,
see LPC55S36-EVK
schematics
J16 (DNP) 2x5 pin header MCU-Link SWD connector
J133 (DNP) 1x6 pin header MCU-Link GPIO header
1.8 Jumpers
The table below describes the LPC55S36-EVK jumpers.
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Table 6. LPC55S36-EVK jumpers
Part identifier Jumper type Description Reference section
JP1 1x3 pin header 3.3 V / 1.9 V voltage selection jumper:
• Pins 1-2 shorted (default setting): 3.3 V
supply is in use
• Pins 2-3 shorted: 1.9 V supply is in use
• Pins 1-2-3 open: Using pin 2 of JP1, an
external voltage can be supplied to the
target MCU (LPC5536)
Power supplies
JP2 1x2 pin header USB host VBUS enable jumper:
• Open: The target MCU USB0 port is set to
Device mode
• Shorted (default setting): The target MCU
USB0 port is set to Host mode (USB0
provides VBUS power). Ensure to supply
external power to USB connector J2.
JP71 1x2 pin header VIN_LDO power source selection jumper:
• Open: VIN_LDO supply is powered from
SYS_5V0 supply
• Shorted (default setting): VIN_LDO supply is
powered from VIN1/VIN2 supply that comes
from Motor 1 + unused MCU pin socket /
Motor 2 + Arduino socket
JP12 1x2 pin header USART connector disable jumper:
• Open: UART connection from USART
connector JP3 is driven to the target MCU
• Shorted (default setting): UART connection
from USART connector JP3 is disabled
USART interface
JP26 1x2 pin header USB-to-UART bridge disable jumper:
• Open (default setting): MCU-Link is
connected to the target MCU through a
USB-to-UART bridge
• Shorted: The USB-to-UART bridge between
MCU-Link and the target MCU is disabled.
Use this setting when using USART
connection from USART connector JP3.
JP4 1x2 pin header USB-to-I2C bridge disable jumper:
• Open: MCU-Link is connected to the target
MCU through a USB-to-I2C bridge
• Shorted (default setting): The USB-to-I2C
bridge between MCU-Link and the target
MCU is disabled
I2C interface
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Table 6. LPC55S36-EVK jumpers (continued)
Part identifier Jumper type Description Reference section
JP19 1x2 pin header Audio codec digital audio input enable jumper:
• Open: Audio codec cannot receive digital
audio input
• Shorted (default setting): Audio codec can
receive digital audio input from the target
MCU
Audio codec and audio
expansion connector
JP18 1x2 pin header Audio codec digital audio output enable jumper:
• Open: Digital audio output from audio codec
is disabled
• Shorted (default setting): Audio codec can
send digital audio output to the target MCU
JP34 (DNP) 1x2 pin header SPI NOR flash memory power enable jumper.
SPI memory and jumper JP34 are not populated
on the board.
HS SPI interface
JP57 (DNP) 1x2 pin header USB-to-SPI bridge disable jumper. JP57 is not
populated on the board. If populated, it can
be used to disable the USB-to-SPI bridge (so
that the target MCU HS SPI port can be used
for other purposes, for example, as a SPI
connection from SPI NOR flash memory).
JP23 1x2 pin header HS CAN transceiver high-level CAN bus line
(CANH) disable jumper:
• Open (default setting): Signal transmission
is enabled over CANH bus line
• Shorted: Signal transmission is disabled
over CANH bus line
CAN interface
JP24 1x2 pin header HS CAN transceiver low-level CAN bus line
(CANL) disable jumper:
• Open (default setting): Signal transmission
is enabled over CANL bus line
• Shorted: Signal transmission is disabled
over CANL bus line
JP48 1x3 pin header Target MCU MCAN controller input pin selection
jumper:
• Pins 1-2 shorted (default setting): Target
MCU MCAN controller receives input
through the MCU pin PIO1_3
• Pins 2-3 shorted: Target MCU MCAN
controller receives input through the MCU
pin PIO1_22 pin
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Table 6. LPC55S36-EVK jumpers (continued)
Part identifier Jumper type Description Reference section
JP49 1x3 pin header Target MCU MCAN controller output pin
selection jumper:
• Pins 1-2 shorted (default setting): Target
MCU MCAN controller transmits output
through the MCU pin PIO1_2
• Pins 2-3 shorted: Target MCU MCAN
controller transmits output through the MCU
pin PIO0_30
JP56 1x3 pin header Octal flash memory voltage selection jumper:
• Pins 1-2 shorted: Octal flash memory is
powered by VCC_3V3_1V9 supply
• Pins 2-3 shorted (default setting): Octal flash
memory is powered by VCC_1V9 supply
Octal flash memory
JP63 1x2 pin header Octal flash memory reset jumper. By default,
jumper pins are open. To reset the flash
memory, short the jumper.
JP41 1x3 pin header Target MCU pin PIO0_2 I/O selection jumper:
• Pins 1-2 shorted: Target MCU pin PIO0_2
sends/receives input/output to/from jumper
JP61
• Pins 2-3 shorted (default setting): Target
MCU pin PIO0_2 sends/receives input/
output to/from Motor 2 + Arduino socket
connector J102
JP61 1x3 pin header Jumper JP41 pin 1 I/O selection jumper:
• Pins 1-2 shorted (default setting): Jumper
JP41 pin 1 sends/receives serial data to/
from octal flash memory / external flash
memory
• Pins 2-3 shorted: Jumper JP41 pin 1
provides I2C/I2S clock or sends/receives
analog signal
JP42 1x3 pin header Target MCU pin PIO0_6 input selection jumper:
• Pins 1-2 shorted: Target MCU pin PIO0_6
sends/receives input/output to/from octal
flash memory / external flash memory
• Pins 2-3 shorted (default setting): Target
MCU pin PIO0_6 sends/receives input/
output to/from Motor 2 + Arduino socket
connector J102
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Table 6. LPC55S36-EVK jumpers (continued)
Part identifier Jumper type Description Reference section
JP43 1x3 pin header Target MCU pin PIO0_25 I/O selection jumper:
• Pins 1-2 shorted: Target MCU pin PIO0_25
sends/receives I/O to/from octal flash
memory / external flash memory
• Pins 2-3 shorted (default setting): Target
MCU pin PIO0_25 sends/receives I/O to/
from Motor 2 + Arduino socket connector
J122
JP44 1x3 pin header Target MCU pin PIO0_3 I/O selection jumper:
• Pins 1-2 shorted: Target MCU pin PIO0_3
sends/receives input/output to/from jumper
JP62
• Pins 2-3 shorted (default setting): Target
MCU pin PIO0_3 sends/receives input/
output to/from Motor 2 + Arduino socket
connector J102
JP62 1x3 pin header Jumper JP44 pin 1 I/O selection jumper:
• Pins 1-2 shorted (default setting): Jumper
JP44 pin 1 sends/receives serial data to/
from octal flash memory / external flash
memory
• Pins 2-3 shorted: Jumper JP44 pin 1 sends/
receives I2C/I2S data / analog signal
JP45 1x3 pin header Target MCU pin PIO0_21 I/O selection jumper:
• Pins 1-2 shorted: Target MCU pin PIO0_21
sends/receives input/output to/from octal
flash memory / external flash memory
• Pins 2-3 shorted (default setting): Target
MCU pin PIO0_21 sends/receives input/
output to/from Motor 2 + Arduino socket
connector J102
JP64 1x3 pin header Target MCU pin PIO1_29 function control
jumper:
• Pins 1-2 shorted: Target MCU pin PIO1_29
sends/receives serial data to/from octal flash
memory / external flash memory
• Pins 2-3 shorted (default setting): Target
MCU pin PIO1_29 acts as a GPIO pin
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Table 6. LPC55S36-EVK jumpers (continued)
Part identifier Jumper type Description Reference section
JP65 1x3 pin header Target MCU pin PIO1_27 function control
jumper:
• Pins 1-2 shorted: Target MCU pin PIO1_27
sends/receives serial data to/from octal flash
memory / external flash memory
• Pins 2-3 shorted (default setting): Target
MCU pin PIO1_27 acts as a GPIO pin
JP66 1x2 pin header Target MCU pin PIO1_16 I/O enable jumper:
• Open (default setting): Target MCU pin
PIO1_16 input/output is disabled
• Shorted: Target MCU pin PIO1_16 sends/
receives serial data to/from octal flash
memory / external flash memory
JP67 1x2 pin header Target MCU pin PIO1_15 I/O enable jumper:
• Open (default setting): Target MCU pin
PIO1_15 input/output is disabled
• Shorted: Target MCU pin PIO1_15 sends/
receives serial data to/from octal flash
memory / external flash memory
JP68 1x2 pin header Target MCU pin PIO0_19 output enable jumper:
• Open (default setting): Target MCU pin
PIO0_19 output is disabled
• Shorted: Target MCU pin PIO0_19 provides
serial clock input to octal flash memory /
external flash memory
JP69 1x2 pin header Target MCU pin PIO0_4 I/O enable jumper:
• Open (default setting): Target MCU pin
PIO0_4 input/output is disabled
• Shorted: Target MCU pin PIO0_4 sends/
receives serial data to/from octal flash
memory / external flash memory
JP70 1x3 pin header External flash connector voltage selection
jumper:
• Pins 1-2 shorted: External flash connector is
powered by VCC_3V3_1V9 supply
• Pins 2-3 shorted (default setting): External
flash connector is powered by VCC_1V9
supply
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Table 6. LPC55S36-EVK jumpers (continued)
Part identifier Jumper type Description Reference section
JP38 (DNP) 1x2 pin header External flash memory reset jumper. External
flash connector and jumper JP38 are not
populated on the board.
JP58 1x2 pin header I3C master pullup resistor control enable jumper:
• Open: Pullup resistor control is disabled for
I3C master (target MCU)
• Shorted (default setting): Pullup resistor
control is enabled for I3C master
Motor 1 control +
unused MCU pin
socket
JP25 1x2 pin header MCU-Link target (LPC55S69) force ISP mode
jumper:
• Open (default setting): MCU-Link follows
normal boot sequence (MCU-Link boots
from internal flash if a boot image is found).
With the internal flash erased, the MCU-Link
normal boot sequence falls through to ISP
boot mode.
• Shorted: MCU-Link is forced to ISP mode
(USB1). Use this setting to reprogram the
MCU-Link internal flash with a new image or
use the MCUXpresso IDE with CMSIS-DAP
protocol.
By default, MCU-Link
flash is preprogrammed
with a version of CMSIS-
DAP firmware.
NOTE
Installing device drivers
and updating MCU-
Link firmware
JP7 1x2 pin header MCU-Link debug probe target selection jumper:
• Open (default setting): The MCU-Link debug
probe or an external debug probe can be
connected to the onboard target MCU. Use
this setting when the target MCU operates
in Normal mode (its debug interface is
enabled).
• Shorted: The MCU-Link debug probe can
be connected to an external target MCU.
Use this setting when using the MCU-Link
debug probe for debugging an external
target MCU.
Supported debug
scenarios
JP8 1x3 pin header Target power selection jumper:
• Pins 1-2 shorted (default setting): Onboard
target MCU is used as debug target or an
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Table 6. LPC55S36-EVK jumpers (continued)
Part identifier Jumper type Description Reference section
external target MCU is used as debug target
but it uses board power
• Pins 2-3 shorted: An external target MCU is
used as debug target and it uses its own
power
JP33 1x2 pin header MCU_VCC_3V3_1V9 supply enable jumper:
• Open: MCU_VCC_3V3_1V9 supply is OFF
• Shorted (default setting):
MCU_VCC_3V3_1V9 supply is available
Measuring target MCU
power consumption
JP20 1x2 pin header MCU_VDD supply enable jumper:
• Open: MCU_VDD supply is OFF
• Shorted (default setting): MCU_VDD supply
is available
JP21 1x2 pin header Target MCU VDDA power enable jumper:
• Open: MCU_VDDA power supply is OFF
• Shorted (default setting): MCU_VDDA power
supply is available
JP22 1x2 pin header MCU_VBAT supply enable jumper:
• Open: MCU_VBAT supply is OFF
• Shorted (default setting): MCU_VBAT supply
is available
JP28 1x2 pin header MCU_MAIN supply enable jumper:
• Open: MCU_MAIN supply is OFF
• Shorted (default setting): MCU_MAIN supply
is available
JP74 1x2 pin header MCU_VCC_3V3_1V9 supply enable jumper for
current measurement circuit:
• Open: MCU_VCC_3V3_1V9 supply is
unavailable in MCU-Link current
measurement circuit
• Shorted (default setting):
MCU_VCC_3V3_1V9 supply is available in
MCU-Link current measurement circuit
JP75 1x2 pin header VCC_3V3_1V9 supply enable jumper for current
measurement circuit:
• Open: VCC_3V3_1V9 supply is unavailable
in MCU-Link current measurement circuit
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Table 6. LPC55S36-EVK jumpers (continued)
Part identifier Jumper type Description Reference section
• Shorted (default setting): VCC_3V3_1V9
supply is available in MCU-Link current
measurement circuit
J20 (DNP) 1x2 pin header Target MCU external VBAT power enable
jumper. J20 is not populated on the board.
If populated, it can be used to supply VBAT
power to the target MCU from an external power
source.
J43 2x2 pin header Target MCU boot configuration jumper. Pins 1-2
of J43 connect to PIO0_5 pin (ISP0) of the target
MCU. Pins 3-4 of J43 connect to PIO0_7 pin
(ISP1) of the target MCU. Pins 1-2 and pins 3-4
of J43 together determine the boot source for the
target MCU.
• Pins 1-2 and pins 3-4 open (default
settings): Both ISP0 and ISP1 are High.
Target MCU (LPC5536) follows normal boot
sequence.
• Pins 1-2 open and pins 3-4 shorted: ISP0 is
High and ISP1 is Low. Target MCU boots in
In-System Programming (ISP) mode.
JP27 1x2 pin header MCU-Link serial wire debug (SWD) disable
jumper:
• Open (default setting): MCU-Link SWD
feature is enabled. MCU-Link drives SWD of
target MCU or external target MCU.
• Shorted: MCU-Link SWD feature is disabled.
This setting of JP27 can be used when
connecting an external debug probe for
debugging the target MCU. This setting
of JP27 is also recommended when using
shared I3C signals.
JP46 1x3 pin header Target MCU pin PIO1_31 input selection jumper:
• Pins 1-2 shorted: Target MCU monitors
USB0 VBUS power
• Pins 2-3 shorted (default setting): Target
MCU receives input from jumper JP53
JP53 1x3 pin header Jumper JP46 pin 3 I/O selection jumper:
• Pins 1-2 shorted: Jumper JP46 pin 3 sends/
receives clock I/O to/from audio codec /
audio expansion connector
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