參數(shù)資料
型號(hào): MPC8560CPXALFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù): 27/108頁
文件大?。?/td> 2170K
代理商: MPC8560CPXALFB
MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1
Freescale Semiconductor
25
Ethernet: Three-Speed, MII Management
7
Ethernet: Three-Speed, MII Management
This section provides the AC and DC electrical characteristics for three-speed and MII management.
7.1 Three-Speed Ethernet Controller (TSEC)
(10/100/1Gb Mbps)—GMII/MII/TBI/RGMII/RTBI Electrical
Characteristics
The electrical characteristics specified here apply to all GMII (gigabit media independent interface), MII (media
independent interface), TBI (ten-bit interface), RGMII (reduced gigabit media independent interface), and RTBI
(reduced ten-bit interface) signals except MDIO (management data input/output) and MDC (management data
clock). The RGMII and RTBI interfaces are defined for 2.5 V, while the GMII, MII, and TBI 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 the IEEE 802.3 standard. The RGMII and RTBI interfaces follow the Hewlett-Packard reduced pin-count
interface for Gigabit Ethernet Physical Layer Device Specification Version 1.2a (9/22/2000). The electrical
characteristics for MDIO and MDC are specified in Section 7.3, “Ethernet Management Interface Electrical
7.1.1 TSEC DC Electrical Characteristics
All GMII,MII, TBI, RGMII, and RTBI drivers and receivers comply with the DC parametric attributes specified in
Table 18 and Table 19. The potential applied to the input of a GMII,MII, TBI, RGMII, or RTBI receiver may exceed
the potential of the receiver’s power supply (i.e., 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 18. GMII, MII, and TBI DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Supply voltage 3.3 V
LVDD
3.13
3.47
V
Output high voltage
(LVDD = Min, IOH = –4.0 mA)
VOH
2.40
LVDD + 0.3
V
Output low voltage
(LVDD = Min, IOL = 4.0 mA)
VOL
GND
0.50
V
Input high voltage
VIH
1.70
LVDD + 0.3
V
Input low voltage
VIL
–0.3
0.90
V
Input high current
(VIN
1 = LV
DD)
IIH
40
A
Input low current
(VIN
1 = GND)
IIL
–600
A
Note:
1.The symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
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