TWR-K70F120M Tower Module User's Manual
Page 9 of 25
OSJTAG
JTAG, Power, SCI
K70FN1M0
256 MAPBGA
Tower Elevator Expansion Connectors
SDHC, I
2
S, SPI, I
2
C, ADC, USB, DAC, PWM, UARTs, Flexbus, Ethernet, LCD, and ULPI
50 MHz OSC
SCI
Freescale Device
External Connectors
Interface Circuits
Power
MMA8451Q
Infrared Port
IR Output
Comparator
GPIO / Interrupts
A
D
C
Reset
LED
JTAG
32.768 KHz XTAL
3.3V
5.0V
General Purpose
Tower Plug-in
(TWRPI)
Touch Tower Plug-in
(TWRPI)
TSI, GPIO
Capacitive
Touch
Pads
LED
LED
LED
uSD Card
Slot
USB
Mini-B
Battery
Holder
VBAT (RTC)
5.0V
12 MHz XTAL
SDHC
SPI, I
2
C, ADC, GPIO
I
2
C
1Gb
DDR2
2Gb
NAND
Flash
Memory
D
D
R
C
o
n
tr
o
lle
r
NFC/FlexBus
Figure 4.
TWR-K70F120M Block Diagram
2.1
K70FN1M0 Microcontroller
The TWR-K70F120M module features the MK70FN1M0VMJ12. The K70 microcontroller family is part
of the Kinetis portfolio of devices built around an ARM Cortex-M4 core. Refer to the
K70 Family
Product Brief
and the
K70 Family Reference Manual
for comprehensive information on the
MK70FN1M0VMJ12 device. The key features are listed here:
32-bit ARM Cortex-M4 core with DSP instructions
120MHz maximum core operating frequency
256 MAPBGA, 17mm x 17mm, 1.0mm pitch package
1.71V – 3.6V operating voltage input range
1 Mbyte of program flash, 128 Kbytes of static RAM
DDR controller supporting DDR1, LPDDR1, and DDR2 memory
NAND flash controller
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
USB high-speed OTG controller
USB full-speed/low-speed OTG/Host/Device controller with device charge detect
10/100 Mbps Ethernet MAC
