MCIMX255AJM4AR2 Freescale Semiconductor, MCIMX255AJM4AR2 Datasheet - Page 59
MCIMX255AJM4AR2
Manufacturer Part Number
MCIMX255AJM4AR2
Description
Processors - Application Specialized IMX25 1.2 AUTO
Manufacturer
Freescale Semiconductor
Datasheet
1.MCIMX251AJM4AR2.pdf
(140 pages)
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
- Current page: 59 of 140
- Download datasheet (2Mb)
1
Freescale Semiconductor
SD10 and SD11 are determined by SDRAM controller register settings.
SD10
SD11
SD1
SD2
SD3
SD6
SD7
ID
SDCLK
CAS
CKE
ADDR
RAS
WE
CS
SDRAM clock high-level width
SDRAM clock low-level width
SDRAM clock cycle time
Address setup time
Address hold time
Precharge cycle period
Auto precharge command period
The clock continues to run unless CKE is low. Then the clock is stopped in
low state.
Don’t care
BA
i.MX25 Applications Processor for Automotive Products, Rev. 9
Figure 28. SDRAM Self-Refresh Cycle Timing Diagram
Parameter
Table 46. SDRAM Refresh Timing Parameters
1
SD16
1
NOTE
Symbol
tCH
tRC
tCK
tAS
tAH
tRP
tCL
SD16
Min.
3.4
3.4
7.5
1.8
1.8
1
2
Max.
4.1
4.1
20
—
—
—
4
clock
clock
Unit
ns
ns
ns
ns
ns
59
Related parts for MCIMX255AJM4AR2
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: