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Samsung S3C2440A User Manual

Page 462

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IIC-BUS INTERFACE

S3C2440A RISC MICROPROCESSOR

20-14

MULTI-MASTER IIC-BUS LINE CONTROL(IICLC) REGISTER

Register Address

R/W

Description

Reset

Value

IICLC

0x54000010

R/W

IIC-Bus multi-master line control register

0x00

IICLC Bit

Description

Initial

State

Filter Enable

[2]

IIC-bus filter enable bit.
When SDA port is operating as input, this bit should
be High. This filter can prevent from occurred error
by a glitch during double of PCLK time.

0 : Filter disable
1 : Filter enable

0

SDA output delay

[1:0]

IIC-Bus SDA line delay length selection bits.
SDA line is delayed as following clock time(PCLK)

00 : 0 clocks 01 : 5 clocks
10 : 10 clocks 11 : 15 clocks

00