1.1 Key Features

The most important features of the EV97M19A are highlighted in this section.

Figure 1-1. Part Identification
  1. One SHA105 I2C Host Device (U1)
  2. One SHA104 I2C Accessory Device (U2)
  3. On-Board 4.7 kΩ I2C Pull-Up Resistors (R2, R3)
  4. One mikroBUS Connector (J1, J2)
  5. One SHA104 SWI-PWM Accessory Device (U3)
  6. On-Board 1.0 kΩ SWI-PWM Pull-Up Resistor (R7)
  7. Jumper to select Parasitic Power mode (JPP1)
  8. On-Board LED Power Indicator (LD1)
  9. Zero-Ohm Resistor Jumpers to Select 3.3V or 5V Power (3.3V Enabled by Default via R5)
  10. 3-Lead Contact SHA104 (U5) and 2-Lead VSFN SHA106 (U6) - Unpopulated
  11. Parasitic Power boost circuitry (U4, R1) - Unpopulated
Note: To enable 5V power, remove R5 and solder a zero-ohm resistor into R6.