NXP Semiconductors UM10741 User manual

UM10741
Fm+ development kit OM13320
Rev. 1 — 1 April 2014 User manual
Document information
Info Content
Keywords I2C-bus, Fm+, development tool, PCA9672, PCA9955
Abstract User manual for the Fm+ development board (OM13260) kit (OM13320).

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User manual Rev. 1 — 1 April 2014 2 of 61
Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [email protected]
NXP Semiconductors UM10741
Fm+ development kit OM13320
Revision history
Rev Date Description
1.0 20140401 User manual; initial release

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User manual Rev. 1 — 1 April 2014 3 of 61
NXP Semiconductors UM10741
Fm+ development kit OM13320
1. Introduction
The Fm+ Development Kit (OM13320) is intended for several different tasks: from a
hands-on introduction, understanding, and use of the I2C-bus (Inter-Integrated Circuit
bus), to I2C device evaluation, and as a simple product demonstration platform (for trade
shows and sales pitches).
The kit has a core Printed-Circuit Board (PCB) assembly, and three add-on PCBs. Other
PCBs are available for advanced use or to support newly-released I2C-bus components
as they are introduced to the market.
The Fm+ Development Kit (OM13320) is supported by a Graphics User Interface (GUI)
software program that runs on a Personal Computer (PC) under the Microsoft Windows 7
Operation System. In some uses the GUI is not required, and the Fm+ Development Kit
(OM13320) can be run as a standalone demonstration, requiring only an external power
adapter (not included).
2. Key features
I2C-bus masters
Self-contained PCB with two independent I2C buses
Bus 1: On-card I2C MCU master (NXP LPC1343)
Bus 2: NXP LPC Xpresso MCU module (not included), and NXP PCA9665 bus
controller
USB interface to on-card MCU (for connection to a PC running the GUI software)
I2C-bus slaves
General Purpose Input/Output (GPIO): PCA9672 (one each on Bus1 and Bus2)
LED driver, with 16 constant current outputs: PCA9955 (with four RGB and four White
LEDs on Bus1)
Accessory sockets
Connectors for up to four daughter cards, each providing power, Bus1 and Bus2 I2C
signals
Connector for the Bus Buffer Board OM13398 (supplied) containing two PCA9617A bus
buffers
Connector for a third-party I2C-bus logger or I2C-bus controller (Beagle and Aardvark,
from Total Phase)
I2C buses
I2C-bus voltage: jumper select 5 V (external) or 3.3 V (on-card 3.3 V regulator)
I2C-bus pull-up resistors: jumper select of ‘high’, ‘med’ or ‘low’ loading

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Fm+ development kit OM13320
Other features
SPI ports: One for on-card MCU, two more for LPC Xpresso
Serial Com Port: EIA232 with voltage level shifter and connection to the LPC Xpresso
LED blinker: NXP PCA9901 one-wire with on-card LED
INT (Interrupt) and RST (Reset) Bus signal monitor LEDs (buffered)
Logic probe: Utility LEDs (buffered) to monitor signals by user jumper wire connection
External DC input (6 V DC maximum)
Prototype area: Uncommitted 8 ×8 100 mil pitch tie points for end user component
attachment
Test points and ground: for probe attachment to major signals
Connection of both I2C buses together (supplied 2-wire jumper)
3. Fm+ development kit quick tour
3.1 Kit contents
Before using the kit for the first time, please familiarize yourself with the various
components listed in Table 1. See Figure 1.
Remark: Each PCB assembly is shipped in an anti-static bag. After the first use, these
may be discarded to simplify future storage.
a. Top layer b. Bottom layer
Fig 1. Fm+ development kit

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NXP Semiconductors UM10741
Fm+ development kit OM13320
3.1.1 Box contents
The Fm+ Development Kit (OM13320) contains four PCB assemblies, cables, and loose
hardware. These should be retained in the box for future access. Depending upon the
desired use, some of the PCB assemblies may be attached to each other, either by plug
connection or by ‘stacking’ the GPIO PCB assemblies above the Fm+ Development
Board (OM13260), using the supplied ribbon cables and hardware.
Table 1. Fm+ development kit contents
Components
Fm+ development board (OM13260)
GPIO target board (OM13303)
PCA9617A bus buffer demo board (OM13398)
Bridge board (OM13399)
Cable, USB Type A to Type B
Ribbon cable, 10 position (bag of two)
Jumper wires with female terminals (bag of ten)
Shorting jumpers (bag of twenty)
Hardware (bag of M3 screws and standoffs)

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NXP Semiconductors UM10741
Fm+ development kit OM13320
3.2 Supplied PCB assemblies
There are four PCB assemblies in the kit. Each has a specific function and not all of them
are used at the same time.
3.2.1 Fm+ Development Board (OM13260)
The large PCB, Figure 2, contains two separate I2C-bus structures, together with
supporting circuitry. Each bus has a bus master, one or more bus slaves, and user options
to change the bus voltage and bus pull-up resistors. Adjusting these changes the
operation of the buses to suit various goals. In addition, the two buses may be linked
together to operate a one I2C-bus structure. This can be done with a two-wire jumper
(supplied) or the Bus Buffer Board OM133998 (supplied). See figure 3.5. Four identical
ports provide access for add-on boards that contain additional I2C-bus devices.
Fig 2. OM13260 Fm+ development board PCB assembly

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Fm+ development kit OM13320
3.2.2 GPIO target board (OM13303)
Outputs from the GPIO devices on the Fm+ Development Board (OM13260), and those
when using GPIO daughter cards (not supplied in the kit), require the GPIO Target Board
(OM13303). Each one has eight channels of LED indicator and push-button switches for
user input. See Figure 3.
3.2.3 PCA9617A bus buffer demo board (OM13398)
Bus buffers bridge two I2C-bus segments, which are provided on the Fm+ Development
Board (OM13260) by Bus1 and Bus2. Bus buffer daughter cards, such as the PCA9617A
Bus Buffer Demo Board (OM13398) (supplied in the kit) can be installed directly on Port E
(CN12). See Figure 4.
Fig 3. OM13303 GPIO target board PCB assembly
Fig 4. OM13260 bus buffer PCB assembly

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User manual Rev. 1 — 1 April 2014 8 of 61
NXP Semiconductors UM10741
Fm+ development kit OM13320
3.2.4 Bridge board (OM13398)
Some existing Demo Boards used a single row connector with nine pins. To use these
with the Fm+ Development Kit requires the Bridge Board (OM13399, supplied in the kit).
See Figure 5.
3.2.5 Daughter cards (not supplied in the kit)
These are not in the OM13230 kit, and should be obtained separately. Daughter cards
hedge against obsolescence so that the Fm+ Development Kit (OM13320) can be used
with future devices by adding newly released daughter cards as they become available.
An example daughter card is shown in Figure 6.
Fig 5. OM13399 bridge board PCB assembly
Fig 6. Example daughter card PCB assembly

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NXP Semiconductors UM10741
Fm+ development kit OM13320
4. First time setup: Fm+ development board kit (OM13320)
4.1 Before you begin
To use the Fm+ Development Kit (OM13320) for the first time requires some hardware
setup and installation of both firmware (on the Fm+ Development Board OM13260) and
software on the attached computer.
The following three steps must be completed:
1. Install Jumpers on the Fm+ Development Board (OM13260) (see Section 4.3).
2. Install Firmware on the Fm+ Development Board (OM13260) (see Section 4.6).
3. Install the NXP GUI Software on the computer to be used with the kit
(see Section 4.7).
4.2 First time setup of the Fm+ development board (OM13260)
Several jumpers must be installed before using the Fm+ Development Board (OM13260)
PCB. The on-board microcontroller (MCU) must contain the appropriate firmware.
To install the firmware requires the connection to a Personal Computer (PC) running
Microsoft Windows 7/64 Operating System and a USB port.
4.3 OM132680 jumpers
The jumpers and their function are shown in Table 2. Using Figure 7 and the table data,
install the jumpers.
Table 2. OM13260 jumpers
Jumper Label Function First time
JP1 XPRESSO POWER Close
JP2 HDD Open
JP3 CONNECT Close
JP4 RST Open
JP5 PCA9955 address GND
JP6 ISP Open
JP7 SPI SEL 1
JP10 PCA9672 address GND
JP11 SDA1 pull-up A
JP12 SCL1 pull-up A
JP13 Bus1 bus voltage 3V3
JP20 PCA9672 address GND
JP21 SDA2 pull-up A
JP22 SCL2 pull-up A
JP23 Bus2 bus voltage 3V3

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User manual Rev. 1 — 1 April 2014 10 of 61
NXP Semiconductors UM10741
Fm+ development kit OM13320
4.4 OM13260 Port E bypass
Depending up the intended operation of the Fm+ Development Board (OM13260),
Port E (CN12) should be left open, or linked with a jumper wire, or for the attachment of a
Bus Buffer Board. The PCA9617A Bus Buffer Demo Board (OM13398) is supplied in the
kit.
For the purpose of this quick setup section, install the two-wire jumper (supplied) as
shown in Figure 8.
Remark: The two-wire jumper requires a twist, as shown. The diagonally opposite pins
are linked.
Fig 7. OM13260 test point locations