MCIMX251AVM4 Freescale Semiconductor, MCIMX251AVM4 Datasheet - Page 76

• Manufacturer Part Number: MCIMX251AVM4
• Description: IC MPU I.MX25 AUTO 400MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r

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: -

Figure 45
state for asynchronous and DTACK WEIM accesses with corresponding WEIM bit fields and the timing
parameters mentioned above.
76
M_DATA
ADDR/
ADDR
CS [x]
EB[y]
DATA
CS[x]
LBA
EB[y]
RW
OE
LBA
WE
OE
through
Last Valid Address
Figure
Figure 46. Asynchronous A/D Muxed Read Access (RWSC = 5)
MAXCO
i.MX25 Applications Processor for Automotive Products, Rev. 8
49, and
Figure 45. Asynchronous Memory Read Access
WE39
WE35
WE37
WE31
WE35A
Table 57
WE31
WE39
WE37
help to determine timing parameters relative to chip select (CS)
Addr. V1
WE32A
WE43
Address V1
WE40
V1
MAXDI
D(V1)
WE36
WE38
WE32
WE40
WE36
WE38
WE44
WE44
Next Address
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