Key Features Of Iic-Bus Inteface - Samsung S5PC110 Manual

S5PC110_UM
I2 C -B u s C o n tro l L o g ic
S C L
I2 C C O N
P C L K

2.2 KEY FEATURES OF IIC-BUS INTEFACE

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Four channel Multi-Master, Slave I
(one channel for general purpose, one channel for PMIC, two channel for HDMI dedicated)
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7-bit addressing mode
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Serial, 8-bit oriented, and bidirectional data transfer
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Supports up to 100kbit/s in the Standard mode
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Supports up to 400kbit/s in the Fast mode.
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Supports master transmit, master receive, slave transmit and slave receive operation
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Supports interrupt or polling events.
I2 C S T A T
4 -b it P re s c a le r
2
Figure 2-1 I
2
C BUS interfaces
A d d re s s R e g is te r
C o m p a ra to r
S h ift R e g is te r
S h ift R e g is te r
C-Bus Block Diagram
2 IIC-BUS INTERFACE
(I2 C D S )
D a ta B u s
S D A
2-2