参数资料
型号: MPC8572CPXAUNB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1333 MHz, MICROPROCESSOR, PBGA1023
封装: 33 X 33 MM, PLASTIC, FCBGA-1023
文件页数: 63/138页
文件大小: 1502K
代理商: MPC8572CPXAUNB
MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 2
30
Freescale Semiconductor
Ethernet: Enhanced Three-Speed Ethernet (eTSEC)
The Fast Ethernet Controller (FEC) operates in MII mode only, and complies with the AC and DC
electrical characteristics specified in this chapter for MII. Note that if FEC is used, eTSEC 3 and 4 are only
available in SGMII mode.
8.1.1
eTSEC DC Electrical Characteristics
All MII, GMII, RMII, and TBI drivers and receivers comply with the DC parametric attributes specified
in Table 22 and Table 23. All RGMII, RTBI and FIFO drivers and receivers comply with the DC
parametric attributes specified in Table 23. The RGMII and RTBI signals are based on a 2.5-V CMOS
interface voltage as defined by JEDEC EIA/JESD8-5.
Table 22. GMII, MII, RMII, and TBI DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Notes
Supply voltage 3.3 V
LVDD
TVDD
3.13
3.47
V
1, 2
1 LV
DD supports eTSECs 1 and 2.
2 TV
DD supports eTSECs 3 and 4 or FEC.
Output high voltage
(LVDD/TVDD = Min, IOH = –4.0 mA)
VOH
2.40
LVDD/TVDD + 0.3
V
Output low voltage
(LVDD/TVDD = Min, IOL = 4.0 mA)
VOL
GND
0.50
V
Input high voltage
VIH
2.0
LVDD/TVDD + 0.3
V
Input low voltage
VIL
–0.3
0.90
V
Input high current
(VIN = LVDD, VIN = TVDD)
IIH
—40
μA
3 The symbol V
IN, in this case, represents the LVIN and TVIN symbols referenced in Table 1.
Input low current
(VIN = GND)
IIL
–600
μA
Notes:
Table 23. MII, GMII, RMII, RGMII, TBI, RTBI, and FIFO DC Electrical Characteristics
Parameters
Symbol
Min
Max
Unit
Notes
Supply voltage 2.5 V
LVDD/TVDD
2.37
2.63
V
1,2
Output high voltage
(LVDD/TVDD = Min, IOH = –1.0 mA)
VOH
2.00
LVDD/TVDD + 0.3
V
Output low voltage
(LVDD/TVDD = Min, IOL = 1.0 mA)
VOL
GND – 0.3
0.40
V
Input high voltage
VIH
1.70
LVDD/TVDD + 0.3
V
Input low voltage
VIL
–0.3
0.70
V
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