參數(shù)資料
型號(hào)： MPC8323CZQAFDCA
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 333 MHz, RISC PROCESSOR, PBGA516
封裝： 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, PLASTIC, PBGA-516
文件頁(yè)數(shù)： 13/82頁(yè)
文件大?。?/td> 1134K
代理商： MPC8323CZQAFDCA
MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4
20
Freescale Semiconductor
Ethernet and MII Management
(management data clock). The MII and RMII are defined for 3.3 V. The electrical characteristics for MDIO
8.1.1
DC Electrical Characteristics
All MII and RMII drivers and receivers comply with the DC parametric attributes specified in Table 22.
8.2
MII and RMII AC Timing Specifications
The AC timing specifications for MII and RMII are presented in this section.
8.2.1
MII AC Timing Specifications
This section describes the MII transmit and receive AC timing specifications.
8.2.1.1
MII Transmit AC Timing Specifications
Table 23 provides the MII transmit AC timing specifications.
Table 22. MII and RMII DC Electrical Characteristics
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage 3.3 V
OVDD
—
2.97
3.63
V
Output high voltage
VOH
IOH = –4.0 mA
OVDD = Min
2.40
OVDD + 0.3
V
Output low voltage
VOL
IOL = 4.0 mA
OVDD = Min
GND
0.50
V
Input high voltage
VIH
——
2.0
OVDD + 0.3
V
Input low voltage
VIL
—
–0.3
0.90
V
Input current
IIN
0 V
≤ VIN ≤ OVDD
—±5
μA
Table 23. MII Transmit AC Timing Specifications
At recommended operating conditions with OVDD of 3.3 V ± 10%.
Parameter/Condition
Symbol1
Min
Typical
Max
Unit
TX_CLK clock period 10 Mbps
tMTX
—400
—
ns
TX_CLK clock period 100 Mbps
tMTX
—40
—
ns
TX_CLK duty cycle
tMTXH/tMTX
35
—
65
%
TX_CLK to MII data TXD[3:0], TX_ER, TX_EN delay
tMTKHDX
1
5
15
ns
TX_CLK data clock rise time
tMTXR
1.0
—
4.0
ns
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