MCIMX255AJM4AR2 Freescale Semiconductor, MCIMX255AJM4AR2 Datasheet - Page 91

• Manufacturer Part Number: MCIMX255AJM4AR2
• Description: Processors - Application Specialized IMX25 1.2 AUTO
• Manufacturer: Freescale Semiconductor

Specifications of MCIMX255AJM4AR2

• Core: ARM926EJ-S
• Processor Series: MCIMX25
• Maximum Clock Frequency: 400 MHz
• Instruction / Data Cache Memory: 16 KB
• Data Ram Size: 128 KB
• Operating Supply Voltage: 1.15 V to 1.52 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MAPBGA-400
• Interface Type: USB
• Memory Type: DDR2
• Minimum Operating Temperature: - 40 C

3.7.11
The I
Figure 64
parameters (IC1–IC6) shown in the figure.
Freescale Semiconductor
I2CLK
IC10
IC12
IC11
•
•
•
•
•
•
•
IC1
IC2
IC3
IC4
IC5
IC6
IC7
IC8
IC9
I2DAT
ID
2
C communication protocol consists of the following seven elements:
Start
Data source/recipient
Data direction
Slave acknowledge
Data
Data acknowledge
Stop
shows the timing of the I
I2CLK cycle time
Hold time (repeated) START condition
Set-up time for STOP condition
Data hold time
HIGH Period of I2CLK Clock
LOW Period of the I2CLK Clock
Set-up time for a repeated START condition
Data set-up time
Bus free time between a STOP and START condition
Rise time of both I2DAT and I2CLK signals
Fall time of both I2DAT and I2CLK signals
Capacitive load for each bus line (C
Inter IC Communication (I
IC2
START
i.MX25 Applications Processor for Automotive Products, Rev. 9
IC10
Table 69. I2C Module Timing Parameters: 3.0 V +/–0.30 V
IC6
IC8
IC1
Parameter
IC10
Figure 64. I
2
IC5
C module.
IC4
b
)
2
C Module Timing Diagram
IC11
Table 69
2
C) Timing
IC11
and
IC7
Table 70
START
Standard Mode
Min.
250
4.0
4.0
4.0
4.7
4.7
4.7
10
0
-
-
-
1
describe the I
3.45
Max.
1000
300
400
-
-
-
-
-
-
-
-
2
IC3
20+0.1C
20+0.1C
STOP
Min.
100
2.5
0.6
0.6
0.6
1.3
0.6
1.3
0
2
Fast Mode
-
1
C module timing
3
b
b
4
4
IC9
Max.
0.9
300
300
400
-
-
-
-
-
-
-
START
2
Unit
ns
ns
ns
pF
s
s
s
s
s
s
s
s
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