Olimex EMZ64 board
Olimex PIC32-EMZ64 is a development board (schematic) equipped with Microchip PIC32MZ-EF microcontroller.
Features:
- PIC32MZ microcontroller 200 MHz (MIPS architecture, DSP, FPU, virtualization)
- 2 Mbytes of program Flash memory
- 512 kbytes of RAM
- On-board oscillator 24 MHz
- USB 2.0 Host/OTG controller, selected by jumpers (USB/microUSB)
- Micro SD card connector at SPI2
- LCD 128x64 pixels OLED at I2C5
- Ethernet interface 100Mb with connector
- Audio In and Audio Out interfaces with jacks
- CAN interface with driver and connector
- UEXT expansion connector (UART4, SPI4, I2C4)
- Three user LEDs
- Three user buttons
- Reset button
- ICSP port
- 3.3V operating voltage
| Pin | Signal | Function |
|---|---|---|
| 16 | RB0 | AREF (not installed) |
| 15 | RB1 | ETH interrupt (input) |
| 14 | RB2 | USB host fault (input) |
| 13 | RB3 | Headphones (output) |
| 12 | RB4 | Microphone (input) |
| 11 | RB5 | USB host enable (output) |
| 17 | RB6 | ICSP PGEC2 |
| 18 | RB7 | ICSP PGED2 |
| 21 | RB8 | LED1 (output) |
| 22 | RB9 | LED2 (output) |
| 23 | RB10 | LED3 (output) |
| 24 | RB11 | ETH PHY enable (output) |
| 27 | RB12 | BUT1 (input) |
| 28 | RB13 | BUT2 (input) |
| 29 | RB14 | BUT3 (input) |
| 30 | RB15 | ETH MDC (output) |
| 31 | RC12 | 24MHz clock (input) |
| 47 | RC13 | CAN RX (input) |
| 48 | RC14 | CAN TX (output) |
| 32 | RC15 | CAN control (output) |
| 46 | RD0 | UEXT U4RX (input) |
| 49 | RD1 | ETH MDIO |
| 50 | RD2 | SD SDO2 (output) |
| 51 | RD3 | SD SDI2 (input) |
| 52 | RD4 | UEXT U4TX (output) |
| 53 | RD5 | UEXT SDO4 (output) |
| 43 | RD9 | UEXT SS4 (output) |
| 44 | RD10 | UEXT SCK4 (output) |
| 45 | RD11 | UEXT SDI4 (input) |
| 58 | RE0 | ETH RXD1 (input) |
| 61 | RE1 | ETH RXD0 (input) |
| 62 | RE2 | ETH CRSDV (input) |
| 63 | RE3 | ETH REFCLK (input) |
| 64 | RE4 | ETH RXERR (input) |
| 1 | RE5 | ETH TXEN (output) |
| 2 | RE6 | ETH TXD0 (output) |
| 3 | RE7 | ETH TXD1 (output) |
| 56 | RF0 | SD CP (input) |
| 57 | RF1 | OLED RST (output) |
| 38 | RF3 | USB ID (input) |
| 41 | RF4 | OLED SDA5 |
| 42 | RF5 | OLED SCL5 (output) |
| 4 | RG6 | SD SCK2 (output) |
| 5 | RG7 | UEXT SDA4 |
| 6 | RG8 | UEXT SCL4 (output) |
| 10 | RG9 | SD SS2 (output) |
| Function | Signal | Pin | Pin | Signal | Function |
|---|
| +3.3V | 1 | 2 | GND |
U4TX | RD4 | 3 | 4 | RD0 | U4RX SCL4 | RG8 | 5 | 6 | RG7 | SDA4 SDI4 | RD11 | 7 | 8 | RD5 | SDO4 SCK4 | RD10 | 9 | 10 | RD9 | #SS4
Any 3.3V-compliant USB-to-TTL module can be used to connect to serial UART port.
| UART module | UEXT | PIC32 | Description |
|---|---|---|---|
| +3.3V | 1 | --- | Power Supply |
| GND | 2 | --- | Ground |
| RXD | 3 | RD4 | U4TX |
| TXD | 4 | RD0 | U4RX |