MCIMX251AJM4 Freescale Semiconductor, MCIMX251AJM4 Datasheet - Page 71

• 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: -

Freescale Semiconductor
WE1
WE2
WE3
WE4
WE5
WE6
WE7
ID
BCLK cycle time
BCLK low-level width
BCLK high-level width
Clock fall to address valid
Clock rise/fall to address invalid
Clock rise/fall to CSx_B valid
Clock rise/fall to CSx_B invalid
Output Data
Address
CSx_B
LBA_B
EBy_B
RW_B
OE_B
BCLK
2
i.MX25 Applications Processor for Automotive Products, Rev. 8
2
2
Input Data
DTACK_B
WE16
WE10
WE14
WE12
WE8
WE4
WE6
Table 56. WEIM Bus Timing Parameters
ECB_B
Figure 38. WEIM Bus Timing Diagram
BCLK
Parameter
WE22, WE23
WE18, WE19
WE1
WEIM Output Timing
WEIM Input Timing
WE26
WE2
...
WE20, WE21
WE24, WE25
WE27
WE3
1
WE11
WE5
WE7
WE15
WE17
WE9
WE13
Min.
14.5
3.3
15
22
15
7
7
Max.
21
25
19
—
—
—
5
Unit
ns
ns
ns
ns
ns
ns
ns
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