User's Manual

Table Of Contents
S3C2450X RISC MICROPROCESSOR xi
Table of Contents (Continued)
Chapter 14 Real Time Clock (RTC)
1 Overview ................................................................................................................................................... 14-1
1.1 Features...........................................................................................................................................14-1
1.2 Real Time Clock Operation Description .......................................................................................... 14-2
1.3 External Interface ............................................................................................................................14-6
1.4 Register Description ........................................................................................................................ 14-7
1.5 Individual Register Descriptions ...................................................................................................... 14-8
Chapter 15 UART
1 Overview ................................................................................................................................................... 15-1
1.1 Features...........................................................................................................................................15-1
2 Block Diagram...........................................................................................................................................15-2
2.1 UART Operation .............................................................................................................................. 15-3
3 UART Special Registers ........................................................................................................................... 15-12
3.1 UART Line Control Register............................................................................................................ 15-12
3.2 UART Control Register....................................................................................................................15-13
3.3 UART FIFO Control Register ..........................................................................................................15-15
3.4 UART Modem Control Register....................................................................................................... 15-16
3.5 UART Tx/Rx Status Register........................................................................................................... 15-17
3.6 UART Error Status Register ............................................................................................................ 15-18
3.7 UART FIFO Status Register............................................................................................................15-19
3.8 UART Modem Status Register ........................................................................................................15-20
3.9 UART Transmit BUffer register (Holding Register & FIFO Register) .............................................. 15-21
3.10 UART Receive BUffer Register (Holding Register & FIFO Register) ........................................... 15-21
3.11 UART Baud RATE Divisor Register .............................................................................................. 15-22
3.12 UART Dividing Slot Register ......................................................................................................... 15-23
Chapter 16 USB Host Controller
1 Overview ................................................................................................................................................... 16-1
1.1 USB Host Controller Special Registers ...........................................................................................16-2