Silicon Laboratories EFM8LB1-SLSTK2030A User Manual page 5

MCU Port Pin Port Pin Assigned
Function
P1.7 ADC / CMP
P2.0 UART1 TX
P2.1 UART1 RX
P2.2 GPIO
P2.3 GPIO
P2.4 GPIO
P2.5 GPIO
P2.6 GPIO
P3.0 GPIO
P3.1 GPIO
P3.2 GPIO
P3.3 GPIO
P3.4 GPIO
P3.7 / C2D C2D (for debug)
Note:
1. This signal has high loading. If the MCU pin is used for signals where edge speed is critical, this signal should be disconnected
from the pin.
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Primary Board Connec- Secondary Board Con-
tion nection
Joystick
UART1 TX
UART1 RX
BC - Enable
DAC LOOPBACK0
UFL ADC INPUT
DISP - SPI CS
DAC LOOPBACK1
DISP - Enable
UG126: EFM8LB1-SLSTK2030A User's Guide
Kit Hardware Layout
Expansion Port Con-
nection (EXP)
EXP12
EXP14
EXP3
EXP13
EXP5
EXP7
EXP9
EXP11
Rev. 0.6 | 5