AVR32801: UC3A3 Schematic Chec

AVR32801: UC3A3 Schematic Checklist Features •  Power circuit •  Reset circuit •  USB connection •  External bus interface •  ABDAC sound DAC interface •  JTAG and Nexus debug ports •  Clocks and crystal oscillators •  MMC, SD-card, SDHC, SDIO and CE-ATA interface 1 Introduction A good hardware design comes from a proper schematic. Since UC3A3 devices have a fair number of pins and functions, the schematic for these devices can be large and quite complex. This application note describes a common checklist which should be used when starting and reviewing the schematics for a UC3A3 design.