参数资料
型号: MPC8378E-MDS-PB
厂商: Freescale Semiconductor
文件页数: 46/128页
文件大小: 0K
描述: BOARD PROCESSOR FOR MDS S
标准包装: 1
类型: MPU
适用于相关产品: MPC8378
所含物品:
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
24
Freescale Semiconductor
The MII and RMII interfaces are defined for 3.3 V, while the RGMII and RTBI interfaces can be operated
at 2.5 V. The SGMII interface conforms to the Serial-GMII Specification Version 1.8 with some
exceptions. The RGMII and RTBI interfaces follow the Reduced Gigabit Media-Independent Interface
(RGMII) Specification Version 1.3. The RMII interface follows the RMII Consortium RMII Specification
Version 1.2.
8.2.1
MII, RMII, RGMII, and RTBI DC Electrical Characteristics
MII and RMII drivers and receivers comply with the DC parametric attributes specified in Table 24 and
Table 25. The RGMII and RTBI signals in Table 25 are based on a 2.5 V CMOS interface voltage as
defined by JEDEC EIA/JESD8-5.
Table 24. MII and RMII DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Note
Supply voltage 3.3 V
LVDD1
LVDD2
3.13
3.47
V
Output high voltage
(LVDD1/LVDD2 = Min, IOH = –4.0 mA)
VOH
2.40
LVDD1/LVDD2 + 0.3
V
Output low voltage
(LVDD1/LVDD2 = Min, IOL = 4.0 mA)
VOL
GND
0.50
V
Input high voltage
VIH
2.0
LVDD1/LVDD2 + 0.3
V
Input low voltage
VIL
–0.3
0.90
V
Input high current
(VIN = LVDD1, VIN = LVDD2)
IIH
—30
μA1
Input low current
(VIN = GND)
IIL
–600
μA—
Notes:
1. LVDD1 supports eTSEC 1. LVDD2 supports eTSEC 2.
Table 25. RGMII and RTBI DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Note
Supply voltage 2.5 V
LVDD1
LVDD2
2.37
2.63
V
Output high voltage
(LVDD1/LVDD2 = Min, IOH = –1.0 mA)
VOH
2.00
LVDD1/LVDD2 + 0.3
V
Output low voltage
(LVDD1/LVDD2 = Min, IOL = 1.0 mA)
VOL
GND – 0.3
0.40
V
Input high voltage
VIH
1.7
LVDD1/LVDD2 + 0.3
V
Input low voltage
VIL
–0.3
0.70
V
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