KTPF3000FRDMEVMUG, Rev. 2.0
6
Freescale Semiconductor, Inc.
Getting to Know the Hardware
3.4 Board Description
Figure 2. Board Description
Table 2. Board Description
Name
Description
VPWR input (J1 and J2)
3.7 V to 5.5 V Supply input (Default). Use only when SW1 is in position 1 (VPWR path). This connector is
shorted to GND when SW1 is in position 2 (VIN path)
GND (J3)
Board Ground
VIN Input (J4)
2.8 V
(2)
to 4.5 V Supply input. Use only when SW1 in position 2 (VIN path)
KL25Z USB port (USBKL25Z)
USB communication port. Connect this port to your computer to use the GUI software
OpenSDA Port (SDA)
Reserved for downloading firmware to the FRDM-KL25Z
Power On LED (D2)
This LED indicates the PF3000 is powered (the LED is connected to the V33 output)
PF3000 PMIC
PF3000 Power Management IC
Notes:
2.
Minimum start-up voltage is 3.1 V
KL25Z
USB
Port
OpenSDA
Port
VPWR
Input
(Default)
GND
VIN
Input
Power on
LED
PF3000
PMIC
