Registers description – Samsung S3F401F User Manual

Page 252

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UART

S3F401F_UM_REV1.00

12-14

4. REGISTERS DESCRIPTION

Table 12-1. UART Special Function Registers

Offset Address

Register

Description

R/W

Reset Value

0x000

UARTDR

Data register

R/W

Undefined

0x004 UARTRSR Receive

status register/error clear register

R/W

0x0000_0000

0x008

0x014

Reserved

Reserved

0x018 UARTFR Flag

register

R

0x0000_0090

0x01C Reserved Reserved

0x020

UARTILPR

IrDA low power counter register

R/W

0x0000_0000

0x024

UARTIBRD

Integer baud rate register

R/W

0x0000_0008

0x028 UARTFBRD

Funcational

baud

rate register

R/W

0x0000_0000

0x02C UARTLCR_H

Line

control register

R/W

0x0000_0000

0x030 UARTCR Control

register R/W

0x0000_0300

0x034

UARTIFLS

Interrupt FIFO level select register

R/W

0x0000_0012

0x038

UARTIMSC

Interrupt mask set / clear register

R/W

0x0000_0000

0x03C UARTRIS Raw

interrupt status register

R

0x0000_0000

0x040 UARTMIS Masked

interrupt status register

R

0x0000_0000

0x044 UARTICR Interrupt

clear register

W

0x0000_0000

0x048

0xFDC

Reserved Reserved

0xFE0 UARTPeriphID0

Peripheral

ID register bits7:0

R

0x0000_0011

0xFE4 UARTPeriphID1

Peripheral

ID register bits15:8

R

0x0000_0010

0xFE8 UARTPeriphID2

Peripheral

ID register bits23:16

R

0x0000_0024

0xFEC UARTPeriphID3

Peripheral

ID register bits31:24

R

0x0000_0000

0xFF0

UARTPCellID0

PrimeCell ID register bits7:0

R

0x0000_000D

0xFF4

UARTPCellID1

PrimeCell ID register bits15:8

R

0x0000_00F0

0xFF8

UARTPCellID2

PrimeCell ID register bits23:16

R

0x0000_0005

0xFFC UARTPCellID3

PrimeCell

ID register bits31:24

R

0x0000_00B1

NOTE:

ID register’s read-only values tell the prime-cell ID information.(UARTPeriphID0/1/2/3, UARTCellID0/1/2/3)

Base Address

− UART0: 0xFF03_8000

– UART1: 0xFF03_C000

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