MCF5253CVM140J Freescale Semiconductor, MCF5253CVM140J Datasheet - Page 436

• Manufacturer Part Number: MCF5253CVM140J
• Description: IC MCU 2.1MIPS 140MHZ 225MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF525xr

Specifications of MCF5253CVM140J

• 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
• Processor Series: MCF525x
• Core: ColdFire V2
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

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Advanced Technology Attachment Controller (ATA)
23.4.3.4
UDMA mode timing is more complicated than PIO mode or MDMA mode. In this section, timing
diagrams for UDMA in are provided.
Figure 23-6
Figure 23-7
23-10
tf(write)
tL
tn, tj
Parameter
See
See
tk1 in the UDMA figures equals (tk -2*T)
ATA
–
Figure
Figure
MDMA Read
MDMA Write
TIming
23-4.
23-5.
shows timing for UDMA in transfer start.
shows timing for host terminating UDMA in transfer.
TIming
UDMA In Timing Diagrams
tkjn
ton
toff
–
–
1
and
2
Table 23-5. Timing Parameters MDMA Read and Write (continued)
Figure 23-6. UDMA in Transfer Start Timing Diagram
tn= tj= tkjn = (max(time_k,. time_jn) * T - (tskew1 + tskew2 + tskew6)
tL(max) = (time_d + time_k-2)*T - (tsu + tco + 2*tbuf + 2*tcable2)
tf(min-write) = time_k * T - (tskew1 + tskew2 + tskew6)
MCF5253 Reference Manual, Rev. 1
ton = time_on * T - tskew1
toff = time_off * T - tskew1
Value
Freescale Semiconductor
time_d, time_k
How to Meet?
time_jn
time_k
–
3