MCIMX251AVM4 Freescale Semiconductor, MCIMX251AVM4 Datasheet - Page 59
MCIMX251AVM4
Manufacturer Part Number
MCIMX251AVM4
Description
IC MPU I.MX25 AUTO 400MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX25r
Datasheet
1.MCIMX255AJM4.pdf
(140 pages)
Specifications of MCIMX251AVM4
Core Processor
ARM9
Core Size
32-Bit
Speed
400MHz
Connectivity
1-Wire, CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
Peripherals
DMA, I²S, POR, PWM, WDT
Number Of I /o
128
Program Memory Type
External Program Memory
Ram Size
144K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.52 V
Data Converters
A/D 3x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
400-LFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCIMX251AVM4
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Freescale Semiconductor
SD1 + SD2 does not exceed 7.5 ns for 133 MHz.
Timing parameters are relevant only to SDR SDRAM. For the specific DDR SDRAM data related timing parameters, see
Table 48
SD10
SD9
ID
SDCLK
SDCLK
and
ADDR
DQM
RAS
CAS
Data out hold time
Active to read/write command period
Table
WE
DQ
CS
Table 44. DDR/SDR SDRAM Read Cycle Timing Parameters (continued)
49.
SD4
SD6
i.MX25 Applications Processor for Automotive Products, Rev. 8
BA
Figure 26. SDR SDRAM Write Cycle Timing Diagram
2
SD5
Parameter
SD7
SD11
ROW / BA
SD12
SD1
SD3
SD4
SD13
Symbol
tOH
tRC
SD4
SD4
COL/BA
SD2
DATA
SD5
SD5
SD5
SD14
Min.
1.2
10
Max.
—
—
clock
Unit
ns
59
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