参数资料
型号: MPC8378E-MDS-PB
厂商: Freescale Semiconductor
文件页数: 47/128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
Freescale Semiconductor
25
8.2.2
SGMII DC Electrical Characteristics
Table 26 and Table 27 describe the SGMII DC electrical characteristics. Transmitter DC characteristics are
measured at the transmitter outputs (L1_SD1_TXn and L1_SD1_TXn) as depicted in Figure 8.
NOTE
The voltage levels of the transmitter and the receiver depend on the SerDes
control registers which should be programmed at the recommended values
for SGMII protocol (L1_nVDD =1.0 V).
Input high current
(VIN = LVDD1, VIN = LVDD2)
IIH
—–20
μA1
Input low current
(VIN = GND)
IIL
–20
μA—
Notes:
1. LVDD1 supports eTSEC 1. LVDD2 supports eTSEC 2.
Table 26. SGMII DC Transmitter Electrical Characteristics
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply voltage
(L1_SDAVDD_0,
L1_XCOREVDD)
XVDD_SRDS
0.95
1.0
1.05
V
Output high voltage
VOH
——
XVDD_SRDS-Typ/2
+ |VOD|-max/2
mV
Output low voltage
VOL
XVDD_SRDS-Typ/2
– |VOD|-max/2
——
mV
Output ringing
VRING
——
10
%
Table 25. RGMII and RTBI DC Electrical Characteristics (continued)
Parameter
Symbol
Min
Max
Unit
Note
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