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参数资料
型号： MPC8533VTALFB
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封装： 29 X 29 MM, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-783
文件页数： 34/116页
文件大小： 1277K
代理商： MPC8533VTALFB
MPC8533E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 2
24
Freescale Semiconductor
Enhanced Three-Speed Ethernet (eTSEC), MII Management
8
Enhanced Three-Speed Ethernet (eTSEC),
MII Management
This section provides the AC and DC electrical characteristics for enhanced three-speed and MII
management.
8.1
Enhanced Three-Speed Ethernet Controller (eTSEC)
(10/100/1000 Mbps)—GMII/MII/TBI/RGMII/RTBI/RMII/FIFO
Electrical Characteristics
The electrical characteristics specified here apply to all gigabit media independent interface (GMII), 8-bit
FIFO interface (FIFO), media independent interface (MII), ten-bit interface (TBI), reduced gigabit media
independent interface (RGMII), reduced ten-bit interface (RTBI), and reduced media independent
interface (RMII) signals except management data input/output (MDIO) and management data clock
(MDC). The 8-bit FIFO interface can operate at 3.3 or 2.5 V. The RGMII and RTBI interfaces are defined
for 2.5 V, while the MII, GMII, TBI, and RMII interfaces can be operated at 3.3 or 2.5 V. Whether the
GMII, MII, or TBI interface is operated at 3.3 or 2.5 V, the timing is compliant with IEEE 802.3. The
RGMII and RTBI interfaces follow the Reduced Gigabit Media-Independent Interface (RGMII)
Specification Version 1.3 (12/10/2000). The RMII interface follows the RMII Consortium RMII
Specification Version 1.2 (3/20/1998). The electrical characteristics for MDIO and MDC are specified in
Section 9, “Ethernet Management Interface Electrical Characteristics.”
8.2
eTSEC DC Electrical Characteristics
All GMII, MII, TBI, RGMII, RTBI, RMII, and FIFO drivers and receivers comply with the DC parametric
attributes specified in Table 21 and Table 22. The potential applied to the input of a GMII, MII, TBI, RTBI,
RMII, and FIFO receiver may exceed the potential of the receiver’s power supply (that is, a GMII driver
powered from a 3.6-V supply driving VOH into a GMII receiver powered from a 2.5-V supply). Tolerance
for dissimilar GMII driver and receiver supply potentials is implicit in these specifications. The RGMII
and RTBI signals are based on a 2.5-V CMOS interface voltage as defined by JEDEC EIA/JESD8-5.
Table 21. GMII, MII, TBI, RMII and FIFO DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Notes
Supply voltage 3.3 V
LVDD
TVDD
3.135
3.465
V
1, 2
Output high voltage (LVDD/TVDD = Min, IOH = –4.0 mA)
VOH
2.4
—
V
—
Output low voltage (LVDD/TVDD = Min, IOL = 4.0 mA)
VOL
—
0.5
V
—
Input high voltage
VIH
1.95
—
V
—
Input low voltage
VIL
—0.90
V
—
Input high current (VIN = LVDD, VIN = TVDD)IIH
—40
μA
1, 2, 3
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