MCF54452VR266 Freescale Semiconductor, MCF54452VR266 Datasheet - Page 27

• Manufacturer Part Number: MCF54452VR266
• Description: IC MPU 32BIT 266MHZ 360TEPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF5445xr

Specifications of MCF54452VR266

• Core Processor: Coldfire V4
• Core Size: 32-Bit
• Speed: 266MHz
• Connectivity: I²C, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, WDT
• Number Of I /o: 132
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.35 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 360-TEPBGA
• Family Name: MCF5445X
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 266MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.3V
• Operating Supply Voltage (max): 1.65/3.6V
• Operating Supply Voltage (min): 1.35/3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 360
• Package Type: TEBGA
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Peak Reflow Compatible (260 C): Yes
• For Use With: M54455EVB - BOARD EVAL FOR MCF5445X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Compliant

5.9
The PCI bus on the device is PCI 2.2 compliant. The following timing numbers are mostly from the PCI 2.2 spec. Refer to the
PCI 2.2 spec for a more detailed timing analysis.
Freescale Semiconductor
Num
P1
P2
P3
P4
P5
Frequency of Operation
Clock Period
Bused PCI signals — input setup
PCI_GNT[3:0]/PCI_REQ[3:0] — input setup
All PCI signals — input hold
Bused PCI signals — output valid
SD_DQS3/SD_DQS2
SD_DQS3/SD_DQS2
PCI Bus Timing Specifications
D[31:24]/D[23:16]
SD_RAS, SD_CAS
SD_CSn,SD_WE,
D[31:24]/D[23:16]
SD_A[13:0]
SD_CLK
SD_CLK
MCF5445x ColdFire
DD4
Characteristic
Table 14. PCI Timing Specifications
ROW
CMD
Figure 12. DDR Read Timing
DD1
®
DD5
Microprocessor Data Sheet, Rev. 6
COL
CL=2
CL=2.5
DD2
DQS Read
Preamble
DD10
10.0
1
Min
7.0
30
—
—
,
0
2
DQS Read
33 MHz
DD3
Preamble
33.33
Max
11.0
WD1 WD2 WD3 WD4
3
—
—
—
—
WD1 WD2 WD3 WD4
DD9
Electrical Characteristics
33.33
Min
3.0
5.0
15
—
0
66 MHz
DQS Read
Postamble
66.66
Max
6.0
30
3
—
—
—
DQS Read
Postamble
MHz
Unit
ns
ns
ns
ns
ns
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