Kit Hardware Layout - Silicon Laboratories EFM8LB1-SLSTK2030A User Manual

3. Kit Hardware Layout

The layout of the EFM8LB1 Starter Kit is shown below.
128x128 Pixel
Memory LCD
Kit USB
Connector
CR2032
Battery Holder
Power Source Select
The EFM8 device on the kit is connected to several peripherals. The table below shows all of the external connections to the MCU.
MCU Port Pin Port Pin Assigned
Function
P0.0 GPIO
P0.1 GPIO
P0.2 Port Match Input
P0.3 Port Match Input
P0.4 UART0 TX
P0.5 UART0 RX
P0.6 SPI0 SCK
P0.7 SPI0 MISO
P1.0 SPI0 MOSI
P1.1 SPI0 NSS
P1.2 SMBus0 SDA
P1.3 SMBus0 SCL
P1.4 PCA0 CEX0
P1.5 PCA0 CEX1
P1.6 PCA0 CEX2
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User Push
Buttons User LED
Figure 3.1. EFM8LB1-SLSTK2030A Hardware Layout
Table 3.1. Kit MCU Connections
Primary Board Connec-
tion
VREF Caps
Push Button 0 (PB0)
Push Button 1 (PB1)
BC - UART_TX
BC - UART_RX
DISP - SPI CLK
DISP - SPI MOSI
I2C SDA
I2C SCL
RGB LED0
RGB LED1
RGB LED2
UG126: EFM8LB1-SLSTK2030A User's Guide
Debug IN/OUT
Connector
Joystick
Secondary Board Con-
nection
AGND
1 SPI CLK
SPI MISO
SPI MOSI
SPI CS
BC - REFCLK
BC - 1 kHz SINE
Kit Hardware Layout
Reference
Board Connector
Direct
Debug Connector
EFM8LB1 MCU
Expansion
Header
EFM8 Reset Button
Expansion Port Con-
nection (EXP)
EXP8
EXP6
EXP4
EXP10
EXP16
EXP15
Rev. 0.6 | 4