EZ80L92AZ020EC00TR Zilog, EZ80L92AZ020EC00TR Datasheet - Page 146
EZ80L92AZ020EC00TR
Manufacturer Part Number
EZ80L92AZ020EC00TR
Description
IC EZ80 MPU 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80L92AZ020SG.pdf
(231 pages)
Specifications of EZ80L92AZ020EC00TR
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
20MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
EZ80L92AZ020EC00T
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eZ80L92 MCU
Product Specification
140
Data Validity
The data on the SDA line must be stable during the High period of the clock. The High or
Low state of the data line can only change when the clock signal on the SCL line is Low as
illustrated in
Figure
30.
A Signal
L Signal
Data Line
Change of
Stable
Data Allowed
Data Valid
2
Figure 30. I
C Clock and Data Relationship
START and STOP Conditions
2
Within the I
C bus protocol, unique situations arise which are defined as START and
STOP conditions. See
Figure
31. A High-to-Low transition on the SDA line while SCL is
High indicates a START condition. A Low-to-High transition on the SDA line while SCL
is High defines a STOP condition.
START and STOP conditions are always generated by the master. The bus is considered to
be busy after the START condition. The bus is considered to be free a defined time after
the STOP condition.
SDA Signal
SCL Signal
S
P
START Condition
STOP Condition
2
Figure 31. START and STOP Conditions In I
C Protocol
2
PS013014-0107
I
C Serial I/O Interface
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