MCF54452VR266 Freescale Semiconductor, MCF54452VR266 Datasheet - Page 34

• 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

Electrical Characteristics
5.13.2
5.13.3
34
1
In MII mode, n = 3; In RMII mode, n = 1
Num
E5
E6
E7
E8
—
Num
E9
Transmit Signal Timing Specifications
Asynchronous Input Signal Timing Specifications
TXCLK frequency
TXCLK to TXD[n:0], TXEN, TXER invalid
TXCLK to TXD[n:0], TXEN, TXER valid
TXCLK pulse width high
TXCLK pulse width low
CRS, COL minimum pulse width
TXCLK (Input)
RXCLK (Input)
Characteristic
TXD[n:0]
MCF5445x ColdFire
RXD[n:0]
TXEN,
TXER
Figure 20. MII Transmit Signal Timing Diagram
Figure 19. MII Receive Signal Timing Diagram
RXDV,
RXER
Characteristic
Table 22. MII Transmit Signal Timing
Table 21. Transmit Signal Timing
1
®
1
E6
Microprocessor Data Sheet, Rev. 6
35%
35%
Min
—
—
5
MII Mode
E1
E4
Valid Data
E8
Valid Data
Max
65%
65%
25
—
25
E3
E2
E7
E5
Min
1.5
35%
35%
Min
—
—
5
RMII Mode
Max
—
Max
65%
65%
50
14
—
Freescale Semiconductor
TXCLK period
Unit
t
t
TXCLK
TXCLK
MHz
Unit
ns
ns