mcimx27- Freescale Semiconductor, Inc, mcimx27- Datasheet - Page 60

• Manufacturer Part Number: mcimx27-
• Description: Multimedia Applications Processor
• Manufacturer: Freescale Semiconductor, Inc

Signal Descriptions
3.6.3
This section describes the electrical information of the I
3.6.3.1
The I2C communication protocol consists of seven elements: START, Data Source/Recipient, Data
Direction, Slave Acknowledge, Data, Data Acknowledge, and STOP.
I
3.6.4
This section details the electrical characteristics for the JTAGC module.
clock input timing;
access port;
60
2
C module.
IC1
IC2
IC3
IC4
IC5
IC6
ID
SCL
SDA
Inter IC Communication (I
JTAG Controller (JTAGC)
Figure 25
Table 29
I
2
Hold time (repeated) START Condition
C Module Timing
Setup Time for STOP condition
HIGH period of the SCL clock
LOW period of the SCL clock
Figure 23
IC1
SCL Clock Frequency
lists the I2C module timing parameters.
shows the JTAGC TRST timing; and
Data Setup Time
Data Hold Time
Parameter
IC5
shows the JTAGC boundary scan timing;
Table 29. I2C Module Timing Parameters
Preliminary—Subject to Change Without Notice
IC2
i.MX27 and i.MX27L Data Sheet, Rev. 1.2
Figure 21. I
IC3
IC4
2
2
C Bus Timing Diagram
C)
2
114.8
336.4
110.5
1.8 V +/–0.10 V
C module.
69.7
Min
3.1
0
0
Table 30
Max
69.7
100
—
—
—
—
—
lists the JTAGC timing parameters.
Figure 21
Figure 24
Figure 22
111.1
335.1
111.1
1.76
68.3
3.0 V +/–0.30 V
Min
0
0
shows the timing of the
shows the JTAGC test
shows the JTAGC test
Freescale Semiconductor
IC6
Max
72.3
100
—
—
—
—
—
Unit
kHz
ns
ns
ns
ns
ns
ns