FRDM-KL43Z hardware description
FRDM-KL43Z User’s Guide, Rev. 1
NXP Semiconductors
13
NOTE
Care must to be taken to avoid dual functionality between on-board circuitry
and I/O header. Some of the pins with the dual functionality use 0R resistors
for connection to specified functionality, for example, most of the LCD pins
have shared functionality with I/O header. If you want to use these pins with
I/O header then it is necessary to remove 0R resistors connected to the LCD.
The pins on the KL43 microcontroller are named for their general purpose input/output port pin function. For
example, the first
pin on Port A is referred to as PTA1. The I/O connector pin names are given the same name
as the KL43 pin connected to it, where applicable.
Figure 8. FRDM-KL43 pinout (with selected functionalities)
All pinout data is available in spreadsheet format in
FRDM-KL43Z Pinouts
5.3.13
Arduino compatibility
The I/O headers on the FRDM-KL43Z are arranged to allow compatibility with peripheral boards (known
as shields) that connect to Arduino and Arduino-compatible microcontroller boards. The outer rows of
pins (the even numbered pins) on the headers share the same mechanical spacing and placement as the I/O
headers on the Arduino Revision 3 (R3) standard.
PTA1-2
PTA2-4
PTD3-6
PTA12-8
PTA4-10
PTA5-12
PTE29-14
PTE30-16
PTA13-2
PTD2-4
PTD4-6
PTD6-8
PTD7-10
PTD5-12
GND-14
VREFH-16
PTE0-18
PTE1-20
1-PTB18
3-PTB19
5-PTC0
7-PTC4
9-PTC6
11-PTC7
13-NC
15-PTC5
1-NC
3-NC
5-NC
7-NC
9-NC
11-NC
13-NC
15-NC
17-PTB16
19-PTB17
PTE30-11
PTE0-9
PTE23-7
PTE22-5
PTE21-3
PTE20-1
NC-13
NC-15
NC-11
NC-9
NC-7
NC-5
NC-3
NC-1
12-PTC1
10-PTC2
8-PTB3
6-PTB2
4-PTB1
2-PTB0
14-GND
16-P5-9V
12-GND
10-P5V-USB
8-P3V3
6-RST
4-P3V3
2-SDA_PTD5
AD
C SE
I2
C
PW
M
SP
I
SA
I/I2
S
Fl
e
xI
O
LPUART
NMI
UART
CMP OUT
ADC
DI
F
F
CMP INs
DAC
TPM_CLKIN
LPTMR_ALT
