User manual

Explorer 8 Development Board User’s Guide

DS40001812A-page 12  2015 Microchip Technology Inc.

1.3 EXPLORER 8 DEVELOPMENT BOARD

The Explorer 8 Development Board has the following hardware features. Each

feature’s number corresponds to the number in Figure 1-1, showing the feature’s

location on the board:

1. MCP2221 USB-to-UART/I

C serial converter (U3)

2. 16x2 Character LCD (LCD1)

3. MCP23S17 I/O Expander for LCD Interface (U4)

4. Eight blue LEDs (D1 to D8).

5. Male header pins for attaching Plug-in-Modules (U1A)

6. Socket for attaching 40-pin PIC MCUs (J8)

7. Socket for attaching 28-pin PIC MCUs (J13)

8. Socket for attaching 8/14/20-pin PIC MCUs (J10)

9. mikroBUS headers for attaching mikroBUS compatible boards (J32 and J35)

10. Two push button switches for external stimulus (S1 and S2)

11. PICtail Expansion Connectors for PICtail Daughter Boards (J3, J5, J11 and J28)

12. PICtail Plus Card Edge Modular Expansion Connectors for PICtail Plus Daughter

Boards (J19)

13. Test Points for 5.0V (TP1 and TP7), 3.3V (TP6) and V_VAR (TP5). V_VAR is the

variable voltage and is equal to the device V

DD and its associated logic

14. 20-pin in-line expansion connector (J33)

15. 8 MHz crystal for device external oscillator (Y1)

16. Digilent Pmod compatible connectors (J17 and J20)

17. 10 kΩ Potentiometer for analog inputs (R25)

18. Variable Power Indicator LED (D9)

19. 3.3V Power Indicator (LD2)

20. 5.0V Power Indicator (LD1)

21. 5.0V (U5), 3.3V (U1) and Variable (U2) power supplies

22. Barrel connector for 9V DC Supply (J1)

23. RJ11 connector for ICSP programming/debugging using REAL ICE and ICD 3

(J26)

24. 6-pin male header for ICSP programming/debugging using PICkit 3 (J12)

25. Push button switch on MCLR

for external Reset (S3)

26. Micro USB socket for USB communication and/or USB power (J18)