MCIMX251AJM4 Freescale Semiconductor, MCIMX251AJM4 Datasheet - Page 49

• Manufacturer Part Number: MCIMX251AJM4
• Description: IC MPU IMX25 AUTO 400MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r

Specifications of MCIMX251AJM4

• 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-MAPBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

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
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