MCF5253CVM140 Freescale Semiconductor, MCF5253CVM140 Datasheet - Page 434

• Manufacturer Part Number: MCF5253CVM140
• Description: IC MPU 32BIT 140MHZ 225-MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF525xr

Specifications of MCF5253CVM140

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 140MHz
• Connectivity: CAN, EBI/EMI, I²C, QSPI, UART/USART, USB OTG
• Peripherals: DMA, WDT
• Program Memory Type: ROMless
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Data Converters: A/D 6x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 225-MAPBGA
• Family Name: MCF5xxx
• Device Core: ColdFire V2
• Device Core Size: 32b
• Frequency (max): 140MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.2/3.3V
• Operating Supply Voltage (max): 1.32/3.6V
• Operating Supply Voltage (min): 1.08/3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 225
• Package Type: MA-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Compliant

1
Advanced Technology Attachment Controller (ATA)
To fulfill this timing, several parameters need to be observed. See
timing.
23.4.3.3
In multi-word DMA mode, see
diagram.
23-8
Parameter
See
ATA
tA
t1
t2
t9
t3
t4
t0
–
–
Figure
Mode Timing
23-3.
Parameter
PIO Write
Timing in Multiword DMA Mode
t2w
tA
t1
t9
t4
–
–
–
–
1
Avoid bus contention when switching buffer on by making ton long
Avoid bus contention when switching buffer off by making toff long
tA = (1.5 + time_ax) * T - (tco + tsui + tcable2 + tcable2 + 2*tbuf)
t3(min) = (time_2w - time_on)* T - (tskew1 + tskew2 +tskew5)
t2(min) = time_2w * T - (tskew1 + tskew2 + tskew5)
t1(min) = time_1 * T - (tskew1 + tskew2 + tskew5)
t9(min) = time_9 * T - (tskew1 + tskew2 + tskew6)
Figure 23-4
Table 23-4. Timing Parameters PIO Write
Figure 23-3. PIO Write Mode Timing
t0(min) = (time_1 + time_2 + time_9) * T
MCF5253 Reference Manual, Rev. 1
t4(min) = time_4 * T - tskew1
for read timing diagram and
enough
enough
Value
Table 23-4
Figure 23-5
for details on PIO write mode
if not met, increase time_2w
time_1, time_2r, time_9
Freescale Semiconductor
for write timing
How to meet?
time_2w
time_ax
time_9
time_4
time_1
–
–