MCIMX251AJM4 Freescale Semiconductor, MCIMX251AJM4 Datasheet - Page 51

• 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: -

3.7.2.4
Figure 18
Figure 19
Freescale Semiconductor
shows the timing for start of UDMA out-transfer.
shows timing for host-terminated UDMA out-transfer.
UDMA Out-Transfer Timing
Figure 19. Timing for Host-Terminated UDMA Out-Transfer
DATA WRITE
i.MX25 Applications Processor for Automotive Products, Rev. 8
buffer_en
DMACK
DATA WRITE
DMARQ
DIOW
DIOR
IORDY
buffer_en
ADDR
DMARQ
DMACK
DIOW
IORDY
Figure 18. Timing for UDMA Out-Transfer Start
ADDR
DIOR
tack
tss
ton
tenv
tcyc
tcyc1
tdzfs tdvs tdvh tdvs
tli1
tli3
tli2
tcyc
tdzfs_mli
tcyc
tack
tcvh
trfs1
toff
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