參數(shù)資料
型號： MPC8313E-RDBC
廠商： Freescale Semiconductor
文件頁數(shù)： 15/99頁
文件大小： 0K
描述： BOARD CPU 8313E VER 2.2
標準包裝： 1
系列： PowerQUICC II™ PRO
類型： MPU
適用于相關產品： MPC8313E
所含物品： 板
MPC8313E PowerQUICC II Pro Processor Hardware Specifications, Rev. 4
22
Freescale Semiconductor
8.1
Enhanced Three-Speed Ethernet Controller (eTSEC)
(10/100/1000 Mbps)—MII/RMII/RGMII/SGMII/RTBI Electrical
Characteristics
The electrical characteristics specified here apply to all the media independent interface (MII), reduced
gigabit media independent interface (RGMII), serial gigabit media independent interface (SGMII), and
reduced ten-bit interface (RTBI) signals except management data input/output (MDIO) and management
data clock (MDC). The RGMII and RTBI interfaces are defined for 2.5 V, while the MII interface can be
operated at 3.3 V. The RMII and SGMII interfaces can be operated at either 3.3 or 2.5 V. 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
8.1.1
TSEC DC Electrical Characteristics
All RGMII, RMII, and RTBI drivers and receivers comply with the DC parametric attributes specified in
Table 24 and Table 25. The RGMII and RTBI signals are based on a 2.5-V CMOS interface voltage as
defined by JEDEC EIA/JESD8-5.
NOTE
eTSEC should be interfaced with peripheral operating at same voltage level.
Table 24. MII DC Electrical Characteristics
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage 3.3 V
LVDDA/LVDDB
—
2.97
3.63
V
Output high voltage
VOH
IOH = –4.0 mA
LVDDA or LVDDB = Min
2.40
LVDDA + 0.3
or
LVDDB + 0.3
V
Output low voltage
VOL
IOL = 4.0 mA
LVDDA or LVDDB = Min
VSS
0.50
V
Input high voltage
VIH
——
2.0
LVDDA + 0.3
or
LVDDB + 0.3
V
Input low voltage
VIL
—
–0.3
0.90
V
Input high current
IIH
VIN
1 = LV
DDA or LVDDB
—40
A
Input low current
IIL
VIN
1 = VSS
–600
—
A
Note:
1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
Table 25. RGMII/RTBI DC Electrical Characteristics
Parameters
Symbol
Conditions
Min
Max
Unit
Supply voltage 2.5 V
LVDDA/LVDDB
—
2.37
2.63
V
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