MCIMX257CVM4 Freescale Semiconductor, MCIMX257CVM4 Datasheet - Page 73
MCIMX257CVM4
Manufacturer Part Number
MCIMX257CVM4
Description
IC MPU I.MX25 IND 400MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX25r
Datasheet
1.MCIMX257CJM4.pdf
(154 pages)
Specifications of MCIMX257CVM4
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, LCD, 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
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MCIMX257CVM4
Manufacturer:
TOTO
Quantity:
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Company:
Part Number:
MCIMX257CVM4
Manufacturer:
Freescale Semiconductor
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Figure 39
timing parameters described in
Freescale Semiconductor
ADDR
DATA
BCLK
CS[x]
BCLK
EB[y]
ADDR
through
LBA
RW
CS[x]
OE
EB[y]
DATA
RW
LBA
OE
Figure 39. Synchronous Memory Timing Diagram for Read Access—WSC=1
Figure 44
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
Figure 40. Synchronous Memory Timing Diagram for Write Access—
Last Valid Address
Last Valid Address
give examples of basic WEIM accesses to external memory devices with the
Table 56
WE14
WE14
WE10
WE12
WE4
WE6
WE6
WE8
WE4
WSC=1, EBWA=1, EBWN=1, LBN=1
WE12
WE16
for specific control parameter settings.
WE15
WE13
V1
V1
WE19
V1
V1
WE5
WE5
WE9
WE7
Next Address
WE11
WE21
WE15
WE13
WE7
Next Address
WE17
73
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