Samsung S3F401F - Manual (Page 242)

UART S3F401F_UM_REV1.00
12-4
1.5 VARIATIONS FROM THE 16C550 UART
The UART varies from the industry-standard 16C550 UART device as follows:
• Receive FIFO trigger levels are 1/8, 1/4, 1/2, 3/4, and 7/8
• The internal register map address space and the bit function of each register differ
• The deltas of the modem status signals are not available.
The following 16C550 UART features are not supported:
• 1.5 Stop bits (1 or 2 stop bits only are supported)
• Independent receive clock.