Laptop User Manual

IIC-BUS INTERFACE S3C2440A RISC MICROPROCESSOR
20-2
PCLK
Address Register
SDA
4-bit Prescaler
IIC-Bus Control Logic
IICSTATIICCON
Comparator
Shift Register
Shift Register
(IICDS)
Data Bus
SCL
Figure 20-1. IIC-Bus Block Diagram