MCIMX257DVM4 Freescale Semiconductor, MCIMX257DVM4 Datasheet - Page 74
MCIMX257DVM4
Manufacturer Part Number
MCIMX257DVM4
Description
IC MPU I.MX25 COMM 400MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX25r
Datasheet
1.MCIMX257CJM4.pdf
(154 pages)
Specifications of MCIMX257DVM4
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
-20°C ~ 70°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:
MCIMX257DVM4
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Figure 41. Synchronous Memory Timing Diagram for Two Non-Sequential Read Accesses—
ADDR
BCLK
DATA
ECB
CS[x]
EB[y]
LBA
RW
OE
Figure 42. Synchronous Memory TIming Diagram for Burst Write Access—
ADDR
Last Valid Addr
BCLK
CS[x]
DATA
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
ECB
RW
LBA
EB[y]
OE
WE12
WE14
WE6
WE8
WE4
Last Valid Addr
WE16
WE14
WE6
WE12
WE10
WE4
BCS=1, WSC=4, SYNC=1, DOL=0, PSR=1
WE24
WE22
WE18
WSC=2, SYNC=1, DOL=0
Address V1
WE15
WE22
V1
WE19
WE24
WE15
Halfword
V1
Halfword
WE22
WE16
WE17
V1+2
Address V1
WE24
WE18
WE19
V1+4
WE5
V1+8
WE17
Address V2
Halfword
V2
V1+12
WE13
Halfword
WE7
WE9
WE5
V2+2
Freescale Semiconductor
WE11
WE7
WE13
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