FPGA: AUX connector. Control logic for Lock Detect was fixed.
FPGA: AUX connector. I2C bus was fixed.
ZPU: AUX connector. I2C bus was added.
ZPU: AUX connector. SPI bus to AUX connector was added.
ZPU: AUX connector. IRQ for I2C bus was added.
ZPU: AUX connector. IRQ for Lock Detect was added.