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DEVELOPMENT BOARDS / ARM DEVELOPMENT / TEENSY-LC WITHOUT PINS
DESCRIPTION
Teensy-LC (Low Cost) is a powerful 32 bit microcontroller board, with a rich set of hardware
peripherals, at a very affordable price!
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Teensy-LC Without
Pins
PRODUCT ID: 2419
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DESCRIPTION
TECHNICAL DETAILS
Teensy-LC delivers an impressive collection of capabilities to make modern electronic projects
simpler. It features an ARM Cortex-M0+ processor at 48 MHz, 62K Flash, 8K RAM, 12 bit analog
input & output, hardware Serial, SPI & I2C, USB, and a total of 27 I/O pins. See the technical
specifications and pinouts for details. Teensy-LC maintains the same form-factor as Teensy 3.1,
with most pins offering similar peripheral features.
Real Hardware Serial
Most modern projects involve serial communication with sensors, other chips, other systems, or
even the internet. Hardware serial ports greatly simplify projects and enable excellent
performance. Teensy-LC provide plenty of serial connectivity: 2 SPI ports, 2 I2C, and 3 Serial
ports. All 3 serial ports are supported by high quality drivers in Teensyduino, with both transmit
and receive buffering, and even support for RS485 transmitter enable. Teensy-LC will be ideal
for inexpensive "Internet Of Things" projects when paired with a ESP8266 Wifi module, which
requires a fast hardware serial or SPI port.
Efficient USB Communication
Teensy-LC has the same powerful USB hardware as Teensy 3.1. All USB data transfer is done
directly to memory with minimal CPU overhead. Teensy-LC supports USB Serial, MIDI, Keyboard
(international layouts), Mouse, Joystick, and RawHID protocols. A full set of 16 bidirectional USB
endpoints are supported by the hardware, allowing any type of USB device. As more USB
protocols are added to Teensyduino, despite its low cost, Teensy-LC will be up the task.
Hardware Timers
Many Arduino libraries require a hardware timer. Traditional Arduino products have 3 or 4
timers, with only 1 or 2 providing more than 8 bit resolution. Teensy-LC has a total of 7 timers, all
of them with 16 or more bits of resolution, to allow excellent compatibility with easy-to-use
libraries. Many combinations of popular libraries, which would normally conflict, can seamlessly
run together on Teensy LC and Teensy 3.1.
Analog Input & Output at 12 Bit Resolution
Analog signals are critically important to many projects. Teensy-LC has 13 pins than can function
as analog inputs. The effective analog resolution is 12 bits. It also has a true 12 bit digital to
analog converter, for an analog output signal.
32 bit ARM Cortex M0+ Processor
The Cortex-M0+ processor is a powerful, full 32 bit CPU, designed for lower power, lower cost
devices. Cortex-M0+ has fewer instructions and a simpler bus structure than the more powerful
Cortex-M4 on Teensy 3.1. For simple code, M0+ often runs at similar speed, when running at the
same clock frequency. For math-intensive applications, Cortex-M4 can be significantly faster, and
of course it supports higher clock rates. Cortex-M0+ at 48 MHz is much faster than 8 bit AVR
processors at 16 MHz, especially when manipulating 16 and 32 bit variables!
5 Volt Buffer For WS2812/NeoPixel LED Projects
Teensy-LC provides a 5V output to directly drive WS2812/NeoPixel LEDs. A 74LV1T125 buffer is
connected to pin 17, with the increased output voltage available on another pin.
Check out the Teensy-LC forum for more information and for any further questions!
New Products 3/18/2015
TECHNICAL DETAILS
Dimensions: 18mm x 37mm x 4mm / 0.7" x 1.5" x 0.2"
Weight: 2.6g
Processor: MKL26Z64VFT4
Core: Coretx-M0+
Rated Speed: 48 MHz
Flash Memory: 62 KB
Bandwidth: 96 MB/sec
Cache: 64 bytes
RAM: 8 KB
EEPROM: 1/8 (emu) KB
Direct Memory Access: 4 channels
Digital I/O: 27 Pins
Voltage Output: 3.3V + one 5V
Current Output: 5mA + four 20mA
Voltage Input: 3.3V
Analog Input: 13 pins
Converters: 1
Resolution: 16 bits
Usable: 12 bits
Prog Gain Amp: 0
Touch Sensing: 11 pins
Analog Output: 1 pins
DAC Resolution: 12 bits
Timers: 7 total
FTM Type: 3
PWM Outputs: 10 pins
PDB Type: 0
CMT (infrared) Type: 0
LPTMR Type: 1
PIT (interval) Type: 2
Systick: 1
RTC (date/time): 0
Communication
USB: 1
Serial: 3
With FIFOs: 0
High Res Baud: 0
Fast Clock: 1
SPI: 2
With FIFOs: 1
I2C: 2
CAN Bus: 0
I2S Audio: 1
FIFO Size: 4
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