MCF5253CVM140 Freescale Semiconductor, MCF5253CVM140 Datasheet - Page 433

• 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
23.4.3.2
A timing diagram for PIO read mode is given in
To fulfill read mode timing, the different timing parameters given in
In PIO write mode, timing waveforms are somewhat different. A timing diagram is given in
Freescale Semiconductor
tskew4 Max difference in cable propagation delay between ATA_IORDY and ATA_Dx (read)
tskew5 Max difference in cable propagation delay between (ATA_DIOR, ATA_DIOW, ATA_DMACK)
tskew6 Max difference in cable propagation delay without accounting for ground bounce
Parameter
Name
See
ATA
trd
tA
t1
t2
t9
t5
t6
t0
Figure
and (ATA_CS0, ATA_CS1. ATA_A2. ATA_A1, ATA_A0, ATA_Dx (write))
Mode Timing
23-2.
Parameter
PIO Read
PIO Mode Timing
trd1
t2r
tA
t1
t9
t5
t6
–
1
tA(min) = (1.5 + time_ax) * T - (tco + tsui + tcable2 + tcable2 + 2*tbuf)
(time_pio_rdx - 0.5) * T > tsu + thi + tskew3 + tskew4
Table 23-2. Timing Parameters (continued)
t5(min) = tco + tsu + tbuf + tbuf + tcable1 + tcable2
t2(min) = time_2r * T - (tskew1 + tskew2 + tskew5)
t1(min) = time_1 * T - (tskew1 + tskew2 + tskew5)
t9(min) = time_9 * T - (tskew1 + tskew2 + tskew6)
Table 23-3. Timing Parameters PIO Read
trd1(min) = (time_pio_rdx - 0.5)*T - (tsu + thi)
Figure 23-2. PIO Read Mode Timing
t0(min) = (time_1 + time_2 + time_9) * T
trd1(max) = (-trd) + (tskew3 + tskew4)
MCF5253 Reference Manual, Rev. 1
Meaning
Figure
Value
0
23-2.
Advanced Technology Attachment Controller (ATA)
Table 23-3
must be observed.
if not met, increase time_2
time_1, time_2r, time_9
How to Meet?
time_pio_rdx
Controlled by
time_ax
time_2r
time_9
time_1
Figure
cable
cable
cable
23-3.
23-7