MCIMX251AVM4 Freescale Semiconductor, MCIMX251AVM4 Datasheet - Page 49
![no-image](/images/manufacturer_photos/0/2/262/freescale_semiconductor_sml.jpg)
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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3.7.2.3.1
Figure 15
Figure 16
Freescale Semiconductor
shows the timing for UDMA in-transfer start.
shows the timing for host-terminated UDMA in-transfer.
UDMA In-Transfer Timing
DATA READ
DATA WRITE
DMARQ
DMACK
DIOW
IORDY
ADDR
DIOR
buffer_en
i.MX25 Applications Processor for Automotive Products, Rev. 8
Figure 16. Timing for Host-Terminated UDMA In-Transfer
Figure 15. Timing for UDMA In-Transfer Start
DMACK
DMARQ
DIOR
DIOW
DATA READ
ADDR
IORDY
tds
tc1
tdh
trp
tack
tc1
tenv
tx1
tds
tzah
tzah
tc1
tdh
tmli
tmli
ton tdzfs tcvh
tc1
tack
toff
49
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