
S3C2440A MICROCONTROLLER
xiii
Table of Contents
(Continued)
Chapter 11
UART
Overview.............................................................................................................................................11-1
Features.....................................................................................................................................11-1
Block Diagram ....................................................................................................................................11-2
Uart Operation.............................................................................................................................11-3
Uart Special Registers .........................................................................................................................11-10
Uart Line Control Register ............................................................................................................11-10
Uart Control Register ...................................................................................................................11-11
Uart FIFO Control Register...........................................................................................................11-14
Uart Modem Control Register........................................................................................................11-15
Uart Tx/Rx Status Register...........................................................................................................11-16
Uart Error Status Register............................................................................................................11-17
Uart FIFO Status Register............................................................................................................11-18
Uart Modem Status Register ........................................................................................................11-19
Uart Transmit Buffer Register (HOLDING Register & FIFO Register).................................................11-20
Uart Receive Buffer Register (HOLDING Register & FIFO Register) ..................................................11-20
Uart Baud Rate Divisor Register....................................................................................................11-21
Chapter 12
USB HOST Controller
Overview.............................................................................................................................................12-1
Usb Host Controller Special Registers...................................................................................................12-2
OHCI Registers for Usb Host Controller .........................................................................................12-2