MCIMX27LMOP4A Freescale, MCIMX27LMOP4A Datasheet - Page 60

• Manufacturer Part Number: MCIMX27LMOP4A
• Manufacturer: Freescale

Specifications of MCIMX27LMOP4A

• Lead Free Status / RoHS Status: Compliant

Electrical Characteristics
4.3.3
This section describes the electrical information of the I
4.3.3.1
The I2C communication protocol consists of seven elements: START, Data Source/Recipient, Data
Direction, Slave Acknowledge, Data, Data Acknowledge, and STOP.
I
60
M10
M11
M12
M13
M14
M15
2
ID
C module.
IC1
IC2
IC3
IC4
IC5
IC6
ID
—
FEC_MDC falling edge to FEC_MDIO output invalid (minimum propagation delay)
FEC_MDC falling edge to FEC_MDIO output valid (max propagation delay)
FEC_MDIO (input) to FEC_MDC rising edge setup
FEC_MDIO (input) to FEC_MDC rising edge hold
FEC_MDC pulse width high
FEC_MDC pulse width low
SCL
SDA
Inter IC Communication (I
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
IC1
SCL Clock Frequency
lists the I2C module timing parameters.
Table 28. MII Serial Management Channel Timing Parameters
Data Setup Time
Data Hold Time
Parameter
IC5
Table 29. I2C Module Timing Parameters
IC2
i.MX27 and i.MX27L Data Sheet, Rev. 1.6
Figure 21. I
Parameter
IC3
IC4
2
C Bus Timing Diagram
2
C)
2
114.8
336.4
110.5
1.8 V +/–0.10 V
C module.
69.7
Min
3.1
0
0
Max
69.7
100
—
—
—
—
—
Figure 21
111.1
335.1
111.1
1.76
68.3
3.0 V +/–0.30 V
Min
40% 60% FEC_MDC period
40% 60% FEC_MDC period
Min Max
0
0
—
18
0
0
shows the timing of the
Freescale Semiconductor
IC6
—
—
—
5
Max
72.3
100
—
—
—
—
—
Unit
ns
ns
ns
ns
Unit
kHz
ns
ns
ns
ns
ns
ns