32123 Propeller FLiP Module Guide Datasheet by Parallax Inc.

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Propeller FLiP Microcontroller Module (#32123)
The Propeller FLiP microcontroller module was designed with
students in mind. With it, students can learn circuit-building and
programming with BlocklyProp graphical coding. Makers can tuck
them into their projects, also using BlocklyProp to get up and
running quickly. Design engineers can embed Propeller FLiP
modules into production hardware, using the Propeller
programming language of their choice.
This breadboard-friendly microcontroller module packs a lot of
features into a small, easy-to-use form-factor. With on-board USB
for both communication and power, on-board user and indicator
LEDs, a high-performance 3.3V switching regulator, USB
over-current and reverse-polarity protection, and informative,
easy-to-read labelling on the top of the module, the Propeller FLiP
module will quickly become your go-to microcontroller for all of
your inventions!
The Propeller FLiP module has roughly the same pin-out as previous 40-pin DIP
Propeller modules. This design provides improved damage-prevention if inserted in
reverse. When coupled with exceptional power management, the Propeller FLiP module
is robust and suitable for classrooms, projects, and finished products alike.
Features
Propeller multicore microcontroller with 5 MHz oscillator and 64KB EEPROM on
I2C bus
Programmable in BlocklyProp, C, Spin, and Assembly languages.
40-pin DIP with sturdy, thru-hole pins—NO soldering required!
Layout is flipped so the components are on the underside of the board, with a
pin map on the top.
LEDs visible through small holes in the board:
Power (green, near P8)
USB TX (blue) and RX (red), both near P13
Over-current warning (yellow, near P18)
User LEDs (green) controlled by P26 & 27
Reset button near top edge of PCB resets the Propeller chip.
Micro-USB connector at bottom edge of PCB for programming/communication.
The PCB sits 0.2” above the breadboard to accommodate a micro-USB plug.
Power input via USB port or from external 5-9 VDC input pin; both can be
connected at the same time.
Powerful onboard 3.3 V, 1800 mA switching supply with short-circuit and
over-current fault protection
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 1 of 9
USB current ircuits pow onditions ault LED indicates when USB 5 everse-polarity & over-voltage hite blocks by power pin or-coded with markers for Pin Definitions and Ratings
USB current limiter provides fault protection for your USB power source and also
circuits powered from the USB 5Vpin, in case of short-circuit or over-current
conditions
Fault LED indicates when USB supply fault protection is active.
Reverse-polarity & over-voltage protection included on both 3.3V & 5V outputs.
White blocks by power pins and special-function pins can be customer
color-coded with markers for convenience and student success. For pin details
see Pin Definitions and Ratings.
Specifications
Microcontroller: 8-core Propeller P8X32A-Q44
EEPROM: 64 KB on I2C
Oscillator: 5 MHz SMT, for operation up to 80 MHz
Form factor: 40-pin DIP with 0.1" pin spacing and 0.6” row spacing
GPIO: 32 accessible, 26 fully free
P30 & P31: Propeller programming
P28 & P29: I2C bus with EEPROM
P26 & P27: pulled down with user LEDs
Power Input: 5V via USB, or 5–9 VDC via VIN pin
USB protection: current-limiter and short-circuit detection
3.3 V protection:
switching supply short-circuit and over-current protection
reverse-current protection on 3.3 V output pin
Current limits:
400 mA from USB port, via 3.3V, USB 5V, and I/O pins
1500 from USB supply, via 3.3V, USB 5V, and I/O pins
1800 mA from 5-9V pin, via 3.3V and I/O pins
Programming: Serial over micro-USB
Operating temperature: -4 to +185 °F (-20 to +85 °C)
Dimensions: 2 x 0.7 x 0.48 in (51 x 18 x 12.2 mm); 0.275 in (7 mm) inserted
height
Application Ideas
Learning circuit-building and programming
Compact controller for props and hobby projects
Interactive and kinetic art installations
Ready-made embedded control system for custom products or equipment
Resources and Downloads
For Propeller FLiP Microcontroller Module documentation, software, and example
programs, see the product page: go to www.parallax.com and search #32123.
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 2 of 9
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Getting Started
First, read through this guide. Then, to start using your Propeller FLiP module, plug it
into a standard breadboard, and then connect it to your computer’s USB port with a
USB A to micro-B cable:
The module’s USB controller will request permission to draw up to 500 mA from your
computer’s USB port. You may see the yellow Fault LED near the symbol flash briefly
during this request. If granted, the green Power LED near the symbol will turn on,
and the Fault LED will turn off. Then, you are ready to continue with the Propeller
programming option of your choice!
BlocklyProp Graphical programming
All Propeller programming options, including C, Spin, and Assembly
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 3 of 9
Fault LED uations: If no other circuits are c USB port den ed the re USB devices connecte unpowered external U your external USB hu If there ARE existing LED may be caused this, disconnect the circuits or circuits th and Current Options r comput e too m 0 us pow e. he Fault you see r short Power USB TX & RX LED: Reset Button . RExfI‘PM'? 11W . g Wm} 5P2 ”59",?sz 9?; W283 Q94 11 P27": QPS l— 926? {His 925‘,“ {‘97 REVQ 92‘? BOND 5.3Vb'} l',‘ 090 usaswg 9555:! NC? [9%sz m cm? “j" d) W 9253 3% 9; p22? 19m h— 921? ‘39“ 9x P28? :m2 :3 P19? 59!» IXRXA Maj 1m. " 917?, 3W5. 75.159 Micro USB Port P26 & P27 LEDs Fault LED
If the Fault LED stays on and the green Power LED does NOT come on, check for these
two situations:
1. If no other circuits are connected to your module, it is likely that your computer’s
USB port denied the request for 500 mA. This may indicate you have too many
USB devices connected at the same time, or you may be trying to use an
unpowered external USB hub. Try unplugging unused devices and/or powering
your external USB hub, then unplug and replug the Propeller FLiP module.
2. If there ARE existing circuits connected to your Propeller FLiP module, the Fault
LED may be caused by a short circuit or other over-current situation. If you see
this, disconnect the USB cable immediately. Then, check your project for short
circuits or circuits that are drawing more than the current limits (see the Power
and Current Options table.)
Caution: the board may become warm/hot to the touch if you
are using a high-current external USB charger or USB battery
and trigger the fault state by drawing more than 1600 mA
sustained without an actual short circuit.
Features & Descriptions
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 4 of 9
e A will turn on and flash in the USB cable immediately. ou are using a high-current project for short circuits or c Power and Current Options ommunication while program Power and Current Options arked with a (LI sym 5 powered and rea omputer’s USB p Getting Started
Reset Button
There is a small side-mounted reset button protruding just slightly past the PCB’s top
edge. This button resets the Propeller microcontroller without affecting power to the
rest of the board. The Propeller microcontroller can also be reset using the RESET pin
labeled on the board by driving it low.
P26/P27 LEDs
Two user-controlled LEDs are visible through tiny holes in the board, controlled by P26
and P27. Each LED will light up when the voltage on its pin is above ~2.5 V and stay on
until the pin is below ~1.5 V. Each pin is pulled down with 65 kof resistance, in order
to automatically turn the LED off when the pin isn't driven high. Keep in mind that this
pull-down resistance may affect external circuits.
Fault LED
The Fault LED next to the Caution triangle will turn on and flash in over-current
circumstances. If you see this, disconnect the USB cable immediately. (Caution: the
board may be warm/hot to the touch if you are using a high-current external USB
charger or USB battery). Then, check your project for short circuits or circuits that are
drawing more than the current limits (see the Power and Current Options table.)
The Fault LED may flash briefly when a USB cable is first plugged in, this is normal and
can be ignored.
Micro-B USB Port
The Micro-B USB port protrudes slightly beyond the board’s bottom edge. It provides:
A programming connection.
Bi-directional serial terminal communication while programs are running.
A 5 volt power source. See the Power and Current Options section below.
USB TX & RX LEDs
The blue USB TX LED indicates communication from your computer's USB port to the
Propeller FLiP module’s Propeller microcontroller, and the red USB RX LED indicates
communication back from the Propeller microcontroller to the computer. These can be
useful for diagnosing USB port connection problems, or monitoring information flow
between a serial terminal and the Propeller microcontroller.
Power LED
The green Power LED is marked with a symbol. The Power LED will come on when
the Propeller FLiP module is powered and ready to program. If this LED does not turn
on when plugged into a computer’s USB port, the port may not have granted the
request to draw 500 mA. See Getting Started, above.
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 5 of 9
Specifications
Symbol
Quantity
Minimum
Typical
Units
Vcc
Supply Voltage USB
4.8
5 V
V
VIN
Supply Voltage at 5-9VDC input pin
5
7.5
V
Absolute Maximum Ratings
Symbol
Quantity
Units
Vcc
Supply Voltage USB
V
VIN
Supply Voltage at 5-9VDC input pin
V
Pin Definitions and Ratings
Pin Label
Type
Function
P0-P25
I/O
General purpose Propeller I/O pin
P26-P27
I/O
General purpose Propeller I/O pin, with user LED and nominal 65 kΩ
pull-down resistor in line.
P28-P29
I/O
I2C pins, with 3.9 kΩ pull-up resistors to 3.3 V. EEPROM is on this I2C
bus.
P30-P31
I/O
Propeller programming pins, with 10 kΩ pull-up resistors to 3.3 V
GND (3)
Power
Ground
RESET
Input
Drive low, to reset the Propeller microcontroller
5-9 V
Power
Power input for 3.3 V regulator
NC
-
No connection
USB 5V
Power
5 V power output only when powered from USB port
3.3 V
Power
3.3 V power output; reverse current protection
Power and Current Options
Power Source
Nominal max
current draw
Current available through
5V from computer USB port
400 mA
3.3V, USB 5V, and I/O pins
5V from USB charger
1500 mA
3.3V, USB 5V, and I/O pins
5-9 VDC through 5-9V pin
1800 mA
3.3V, and I/O pins
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 6 of 9
3.3-volt Supply
The 3.3V supply draws current from both the USB port and the 5-9V input. If the
current draw from the 3.3V supply exceeds its maximum allowed 1800 mA, the supply
will temporarily disable the output. It will quickly re-enable the output, if it is not
shorted, but immediately disable it again, if the current draw is still too high. The Fault
LED will not turn on, but the Power LED will turn off or flash.
Caution: When running for extended periods of time at a high current
draw, the Propeller FLiP module may become warm/hot to the touch.
The 3.3 volt supply powers the Propeller microcontroller, EEPROM, 5 MHz oscillator, and
green user LEDs, as well as the 3.3 Voutput. The supply uses a switching regulator,
which outputs power at a lower voltage, but higher current, than the input. Because of
this power conversion, the current available at 3.3 volts may be higher than the current
available at 5 volts.
3.3-volt Output
The 3.3Voutput draws power from the 3.3 volt supply, which draws power from both
the USB port and the 5-9V input. The total available current is limited by the power
source.
USB Power
When connected via a USB port, the Propeller FLiP module will request 500 mA of 5-volt
power from a computer or hub or 1,500 mA from a USB charger. If the request is
granted, the module will use the power from the USB port, to power both the 3.3 V
supply and the USB 5V output.
If the request is denied, the Propeller FLiP module will light the yellow Fault LED, to
indicate that it is unable to draw power from the USB port. The module will still be able
to communicate and accept a program over a computer or hub’s USB port, but it will
require external power at the 5-9V input to operate.
If the combined power into the 3.3 V supply and the USB 5Voutput approach the
requested power, the Propeller FLiP module will temporarily disable power draw from
the USB port to prevent power draw from exceeding the request. It will quickly
re-enable power draw, but immediately disable it again, if the current draw is still too
high. The Fault LED will not turn on, and the Power LED will turn off or flash.
Caution: When the Fault LED turns on while powered from a USB charger,
the Propeller FLiP module may become warm/hot to the touch. Unplug the
USB connector immediately, and check for shorts and over-current circuits.
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 7 of 9
USB 5-volt Output
The USB 5Voutput only draws current from the USB port, and does not provide
current when the Propeller FLiP module is powered from the 5-9V input. The total
available current is limited by the USB power source and the current used by the
module itself.
5 to 9 Volt Input
The 5-9V input provides power to the regulator for the 3.3-volt supply, which powers
the components inside the Propeller FLiP module, as well as the 3.3 Voutput. The
current draw is limited by the 3.3-volt regulator.
Dual Power Inputs
When connected to an external 5-9 VDC supply, and either a computer, a USB hub, or a
USB charger, the Propeller FLiP module will draw power from both sources, usually with
the most current draw from the source with the highest supply voltage.
If the total current draw exceeds the requested USB current draw, the Propeller FLiP
module may disable all current draw from the USB port. This will cause the yellow Fault
LED to turn on or flash. If sufficient current is available from the 5-9V input, the
Power LED will stay on, and the module will continue to operate normally. Otherwise,
the module will quickly re-enable power draw, but immediately disable it again, if the
current draw is still too high, and the green Power LED will turn off or flash.
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 8 of 9
ro'PQ .55?“ 4 P31 0 P1 . . >P30 . P2 m P” P29 120 P28 0P4- fi P27 0 RESET |o >5—9v 9) GND 0| 0 P8 'ib '1 P23 0 o P9 9; P22 0 0 P10 . — P21 o 09) oP11 OX P200 0 P12 3 P19 0 0 P13 ‘1x‘Rx A P18 0 0 P14 ' ' P17 0 o P15I |P1e o 18 mm WW L9
Module Dimensions
PCB: 2 x 0.73 in (51 x 18 mm)
Overall height: 0.5 in (12.2 mm)
Inserted height: 0.28 in (7 mm) above socket/breadboard
Revision History
Version 1.0: original release. 1.1: Fixing typographical errors.
Copyright © Parallax Inc. Propeller FLiP Microcontroller Module (#32123) v1.1 5/04/2017 Page 9 of 9

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