+#if I2C_SUPPORT && !DRAM_8BIT
+ #error "I2C_SUPPORT requires 8 bit DRAM (DRAM_8BIT=1)!"
+#endif
+#ifndef I2C_UART_SUPPORT
+ #define I2C_UART_SUPPORT I2C_SUPPORT
+#endif
+#if I2C_UART_SUPPORT
+ #define SC16IS740_ADDR 0x90 /* SC16IS740 I2C address. (8bit, A0=VDD, A1=VDD) */
+ #define SC16IS740_CLOCK 9216000 /* */