TWR-K40X256 Freescale Semiconductor, TWR-K40X256 Datasheet - Page 8

• Manufacturer Part Number: TWR-K40X256
• Description: TOWER SYSTEM BOARD K40X256
• Manufacturer: Freescale Semiconductor
• Series: Kinetisr
• Type: MCUr

Specifications of TWR-K40X256

• Contents: Board
• Processor To Be Evaluated: K40
• Data Bus Width: 32 bit
• Interface Type: USB, CAN, I2C, SPI, UART
• Dimensions: 3.5 in x 3.2 in
• Operating Supply Voltage: 1.71 V to 3.6 V
• Silicon Manufacturer: Freescale
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M4
• Silicon Core Number: MK
• Silicon Family Name: Kinetis - K40
• Kit Contents: Board Only
• Rohs Compliant: Yes
• For Use With/related Products: Freescale Tower System, K40X256
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.1 K40X256 Microcontroller
The TWR-K40X256 module features the MK40X256VMD100. The K40 microcontroller family is part of
the Kinetis portfolio of devices built around an ARM Cortex-M4 core. Refer to the K40 Family Product
Brief and the K40 Family Reference Manual for comprehensive information on the MK40X256VMD100
device. The key features are listed here:
SD Card Slot
32-bit ARM Cortex-M4 core with DSP instructions
100MHz maximum core operating frequency
144 MAPBGA, 13mm x 13mm, 1.0mm pitch package
1.71V – 3.6V operating voltage input range
256 Kbytes of program flash, 64 Kbytes of static RAM
FlexMemory consisting of 256 Kbytes of FlexNVM (non-volatile flash memory that can be used
as program flash, data flash, backup EEPROM of variable endurance and size) and 4 Kbytes of
FlexRAM (RAM memory that can be used as traditional RAM, as high-endurance EEPROM
storage, or flash programming acceleration RAM)
External bus interface
Power management controller with 10 different power modes
Multi-purpose clock generator with PLL and FLL operation modes
16-bit SAR ADC, 12-bit DAC
High-speed analog comparator with 6-bit DAC
Programmable voltage reference
Battery
Holder
Mini-B
5.0V
USB
5.0V
Freescale Device
SDHC
JTAG, Power, SCI
OSJTAG
VBAT (RTC)
TWR-K40X256 Tower Module User's Manual
SDHC, I
General Purpose
Tower Plug-in
(TWRPI)
External Connectors
2
S, SPI, I
SPI, I
Figure 5. TWR-K40X256 Block Diagram
JTAG
SCI
2
8 MHz XTAL
2
C, ADC, USB, DAC, PWM, UARTs, Flexbus, Segment LCD
C, ADC, GPIO
Tower Elevator Expansion Connectors
MMA7660
144 MAPBGA
K40X256
Interface Circuits
32.768 KHz XTAL
Comparator
IR Output
TSI, GPIO
GPIO / Interrupts
Power
Reset
Page 8 of 21
Touch & Segment LCD
Tower Plug-in (TWRPI)
Infrared Port
Capacitive
Touch
LED
LED
LED
LED
Pads
3.3V