Samsung S3C2410A User Manual

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Generator

Control

Unit

Peripheral BUS

TXDn

Clock Source

RXDn

Transmit FIFO Register

(FIFO mode)

Transmit Holding Register

(Non-FIFO mode)

Receive FIFO Register

(FIFO mode)

Receive Holding Register

(Non-FIFO mode only)

In FIFO mode, all 16 Byte of Buffer register are used as FIFO register.
In non-FIFO mode, only 1 Byte of Buffer register is used as Holding register.

Transmit Shifter

Transmit Buffer

Register(16 Byte)

Receive Shifter

Receive Buffer

Register(16 Byte)