參數(shù)資料
型號: MPC8314CVRADDA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, PBGA620
封裝: 29 X 29 MM, LEAD FREE, PLASTIC, TEPBGA-620
文件頁數(shù): 23/106頁
文件大小: 1253K
代理商: MPC8314CVRADDA
MPC8314E PowerQUICC II Pro Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
23
Ethernet: Three-Speed Ethernet, MII Management
9.1
eTSEC (10/100/1000 Mbps)—MII/RMII/RGMII/RTBI Electrical
Characteristics
The electrical characteristics specified here apply to all the media-independent interface (MII), reduced
gigabit MII (RGMII), and reduced ten-bit interface (RTBI) signals except management data input/output
(MDIO) and management data clock (MDC). The MII and RMII is defined for 3.3 V, while the RGMII,
and RTBI can operate at 2.5 V. The RGMII and RTBI 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 9.3, “Ethernet Management
9.1.1
MII, RMII, RGMII, and RTBI DC Electrical Characteristics
All MII, RMII drivers and receivers comply with the DC parametric attributes specified in Table 23 for
3.3-V operation and RGMII, RTBI drivers and receivers comply with the DC parametric attributes
specified in Table 24. The RGMII and RTBI signals are based on a 2.5 V CMOS interface voltage as
defined by JEDEC EIA/JESD8–5.
Table 23. MII/RMII (When Operating at 3.3 V) DC Electrical Characteristics
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage 3.3 V
LVDD
——
3.0
3.6
V
Output high voltage
VOH
IOH = –4.0 mA
LVDD = Min
2.40
LVDD + 0.3
V
Output low voltage
VOL
IOL = 4.0 mA
LVDD = Min
VSS
0.50
V
Input high voltage
VIH
——
2.1
LVDD + 0.3
V
Input low voltage
VIL
–0.3
0.90
V
Input high current
IIH
VIN
1 = LVDD
40
μA
Input low current
IIL
VIN
1 = VSS
–600
μA
Note:
1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
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