Base line rom/ram usage.
usb read/write functions are enabled, but long transfers are not.
host support only for LED on/off.
2KB of 16KB (12.5%) of program memory are not available due to bootloader.
AVR Memory Usage
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Device: atmega164a
Program: 1620 bytes (9.9% Full) 87.5% is MAX due to bootloader
(.text + .data + .bootloader)
Data: 45 bytes (4.4% Full)
(.data + .bss + .noinit)