s3c4510b Samsung Semiconductor, Inc., s3c4510b Datasheet - Page 211

• Manufacturer Part Number: s3c4510b
• Description: 16/32-bit Risc Microcontroller
• Manufacturer: Samsung Semiconductor, Inc.

S3C4510B
6
OVERVIEW
The S3C4510B's internal IC bus (I
—
— Each device that is connected to the bus is software-addressable by a single master using a unique address.
— It supports 8-bit, bi-directional, serial data transfers.
— The number of ICs that you can connect to the same I
Figure 6-1 shows a block diagram of the S3C4510B I
SDA
SCL
It requires only two bus lines, a serial data line (SDA) and a serial clock line (SCL). When the I
both lines are High level.
slave relationships on the bus are constant. The bus master can be either a master-transmitter or a master-
receiver. The I
capacitance of 400 pF.
I
Control 0
2
Control
Data
2
SCL
C BUS CONTROLLER
C bus controller supports only single master mode.
2
C-bus) controller has the following important features:
Prescaler
0
Serial
Clock
Figure 6-1. I
16
BUSY
2
C BUS Block Diagram
COND1 COND0
2
C-bus controller
Control Status Register (IICCON)
Shift Buffer Register (IICBUF)
System Clock (fMCK)
Prescaler Register (IICPS)
2
C-bus is limited only by the maximum bus
ACK
LRB
IEN
I
2
C BUS CONTROLLER
2
BF
C-bus is free,
6-1