TWRKL43ZUG Tower Module, User’s Guide, Rev. 1, 08/2014
Freescale Semiconductor, Inc.
TWR-KL43Z jumper options
Table 6. Connectors and pin usage
Jumper Function
Jumper
Default
Position
Jumper Option
KL43 Pin Name
Reset selection
J1
1-2
1-2 RESET_B
2-3 RST_TGTMCU_B
RTC clock input
J31
1-2
1-2 RTC_CLKIN
2-3 ELEV_IRQ_C
PTC1
switch button SW2
J24
1-2
Open - PTA4 isolated
PTA4
switch button SW3
J33
1-2
Open - PTA5 isolated
PTA5
LED D7
J23
1-2
Open - LED Green PTA12
isolated
PTA12
LED D5
J18
1-2
Open - LED Red PTA13 isolated
PTA13
LED D4
J13
1-2
Open - LED Green PTB0 isolated
PTB0
LED D3
J7
1-2
Open - LED Red PTB19 isolated
PTB19
IRDA TX isolation
J30
Open
1-2 PTE20 to IRDA (Tx)
PTE20
IRDA RX isolation
J27
Open
1-2 TPE21 to IRDA (Rx)
PTE21
Accelerometer SCL
isolation
J26
Open
1-2 PTE1 to ACCEL SCL Enable
PTE1 I2C1_SCL
Accelerometer SDA
isolation
J29
Open
1-2 PTE0 to ACCEL SDA Enable
PTE0 I2C1_SDA
Accelerometer INT1
isolation
J32
Open
1-2 PTD6 to ACCEL INT1 Enable
PTD6/ACC_INT1
Accelerometer INT2
isolation
J34
Open
1-2 PTD7 to ACCEL INT2 Enable
PTD7/ACC_INT2
Accelerometer reset
J37
Open
1-2 ACCEL RST to P3V3_REG
enable
UART2 TX selection
J3
2-3
2-3 UART2 Tx- OpenSDA
2-1 UART2 Tx Elevator
PTE22
UART2 RX selection
J5
2-3
2-3 UART2 Rx– OpenSDA
2-1 UART2 Rx- Elevator
PTE23
Potentiometer
isolation
J2
1-2
Open - PTE20 isolated from
potentiometer
PTE29/POT_ADC0_
SE4B
