Black Mesa East

After almost successfuly created Sarge single board computer I thought it would be great to have an extension board with a few peripherals. So, now I’m working on the schematic and PCB design.

The board will contain:

• CompactFlash connector
• PCF8563C - i2c RTC
• DS1621 - i2c termometer
• MC23017 - i2c parallel I/O bank (led signaling, buzzer, 4-keys keyboard)
• UDA1330 - i2s DAC for 16bit stereo-audio
• 1 Watt audio amplifier for external mono phone
• Nokia 6100 LCD connector, via SPI interface

The main project is almost finished, now I must make a triple-check if everything is fine to minimize design mistakes.

Here are some snapshots of the PCB:

TOP layer:

BOTTOM layer