MCF5251CVM140 Freescale Semiconductor, MCF5251CVM140 Datasheet - Page 16

• Manufacturer Part Number: MCF5251CVM140
• Description: IC MPU 32BIT 140MHZ 225-MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF524xr

Specifications of MCF5251CVM140

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 140MHz
• Connectivity: ATA, Audio, CAN, EBI/EMI, I²C, IDE, MMC/SD, SPI, UART/USART, USB OTG
• Peripherals: DMA
• Program Memory Type: ROMless
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 3.6 V
• Data Converters: A/D 6x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 225-MAPBGA
• Embedded Interface Type: I2C, SPI, UART
• Digital Ic Case Style: BGA
• No. Of Pins: 225
• Operating Temperature Range: -40°C To +85°C
• Frequency Typ: 140MHz
• Rohs Compliant: Yes
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -

Electrical Specifications
Table 12
4.1
The SDRAM bus is a synchronous bus. Propagation delays, set-up times and hold times with respect to
the SDRAM clock BCLK are shown in
clock is not active, SDRAM interface is not valid and the external bus cannot be used.
16
Frequency
Frequency Tolerance
Frequency Stability Over Operating Temperature Range
ESR
Shunt Capacitance
Load Capacitance
shows the CRIN Crystal suggested parameters.
SDRAM Bus Timing
MCF5251 ColdFire Processor Data Sheet: Technical Data, Rev. 3
Parameter
BCLKE, SDXDQM, SDWE,
SDCS0, SDRAS, SDCAS
Table 12. CRIN Crystal Suggested Parameters
Figure 4. SDRAM Bus Timing Diagram
data (write)
Figure 4
BCLK
A[24:9]
and the parameters provided in
data (read)
D3
D1
D2
D4
D5
Min
5
–
–
–
–
–
Typ
18
40
–
–
–
7
Table
Freescale Semiconductor
16.94
Max
±50
±50
13. When BCLK
–
–
–
MHz
Unit
ppm
ppm
pF
pF
Ω