FB_rev0_1.PDF

5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs

5 V, 3.3 V and 2.5 V UART with 32-byte FIFOs and infrared (IrDA) encoder/decoder

5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.) with 32-byte data sheet

5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs

5 V, 2.2 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs data sheet

5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs

5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs and 68 mode uP interface

5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.) with 32-byte FIFOs, IrDA encoder/decoder, and 68 mode uP interface

5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and 68 mode μP interface

Quadruple video input processor

/554DB 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs

/654DB 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.), with 64-byte FIFOs and infrared (IrDA) encoder/decoder

1.8 V dual UART, 5 Mbit/s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode bus interface

20 MHz to 125 MHz PECL input, 9 CMOS output, 3.3 V PLL clock driver