Laptop User Manual

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