MPC852TVR66 Freescale Semiconductor, MPC852TVR66 Datasheet - Page 57

• Manufacturer Part Number: MPC852TVR66
• Description: IC MPU POWERQUICC 66MHZ 256-PBGA
• Manufacturer: Freescale Semiconductor

Specifications of MPC852TVR66

• Processor Type: MPC8xx PowerQUICC 32-Bit
• Speed: 66MHz
• Voltage: 1.8V
• Mounting Type: Surface Mount
• Package / Case: 256-PBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

Figure 58
15.2 MII Transmit Signal Timing (MII_TXD[3:0], MII_TX_EN,
The transmitter functions correctly up to a MII_TX_CLK maximum frequency of 25 MHz +1%. There is no
minimum frequency requirement. In addition, the processor clock frequency must exceed the MII_TX_CLK
frequency - 1%.
Table 26
Figure 59
Freescale Semiconductor
MII_RXD[3:0] (inputs)
MII_RX_DV
MII_RX_ER
MII_RX_CLK (input)
Num
M5
M6
M7
M8
MII_TX_ER, MII_TX_CLK)
provides information about the MII transmit signal timing,.
shows MII receive signal timing.
shows the MII transmit signal timing diagram.
MII_TX_CLK to MII_TXD[3:0], MII_TX_EN, MII_TX_ER invalid
MII_TX_CLK to MII_TXD[3:0], MII_TX_EN, MII_TX_ER valid
MII_TX_CLK pulse width high
MII_TX_CLK pulse width low
Figure 58. MII Receive Signal Timing Diagram
M1
Characteristic
MPC852T Hardware Specifications, Rev. 3.1
Table 26. MII Transmit Signal Timing
M2
M3
M4
35%
35%
Min
—
5
Max
65%
65%
25
—
FEC Electrical Characteristics
MII_TX_CLK period
MII_TX_CLK period
Unit
ns
—
57