MCF5253CVM140 Freescale Semiconductor, MCF5253CVM140 Datasheet - Page 205

• 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
The system also supports dynamic lengthening of CS2 (IDE_DIOR, IDE_DIOW) cycles using the
IDE_IORDY signal. The timing diagram is shown in
13.2
The SmartMedia block must be connected to the bus as follows:
Freescale Semiconductor
t2 is relevant for IDE_IORDY controlled cycles only.
Parameter
•
•
•
•
•
•
•
Timing
t2
t1
t3
RE input connect to MCF5253 IDE_DIOR output
WE input connect to MCF5253 IDE_DIOW output
D0–7 connect to MCF5253 data bus wires 31–24
CE connect to always low
ALE connect to general purpose output
CLE connect to general purpose output
R/B connect to general purpose input
1
SmartMedia Interface Setup
CSx_pin
CSx_pin
IDE_DIOR, IDE_DIOW low to TA
IDE_DIOR, IDE_DIOW low to
IDE_IORDY low
IDE_IORDY high to TA
IORDY
TA_b
TA_b
Table 13-5. IDE_DIOR, IDE_DIOW, and IDE_IORDY Timing Parameters
TA
TA
Figure 13-4. Non-IORDY Controlled IDE/SmartMedia TA Timing
Description
Figure 13-5. CS2 (IDE_DIOR, IDE_DIOW)
MCF5253 Reference Manual, Rev. 1
t2
t1
Min
2T
–
0
0
Figure
Read (waitCount2 + 2.5)T
Write (waitCount3 + 2.5)T
13-5.
t3
Typ
–
–
IDE and Flash Media Interface
Read (waitCount2 + 1.5)T
Write (waitCount3 + 1.5)T
Max
3T
–
13-7