參數(shù)資料
型號(hào): MPC8308CVMAFD
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, MICROPROCESSOR, PBGA473
封裝: 19 X 19 MM, 0.80 MM PITCH, 1.39 MM HEIGHT, LEAD FREE, MAPBGA-473
文件頁數(shù): 8/88頁
文件大?。?/td> 2550K
代理商: MPC8308CVMAFD
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 1
16
Freescale Semiconductor
Ethernet: Three-Speed Ethernet, MII Management
8.1.1
eTSEC DC Electrical Characteristics
All MII and RGMII drivers and receivers comply with the DC parametric attributes specified in Table 21
and Table 22. The RGMII signals are based on a 2.5-V CMOS interface voltage as defined by JEDEC
EIA/JESD8-5.
8.2
MII and RGMII AC Timing Specifications
The AC timing specifications for MII and RGMII are presented in this section.
8.2.1
MII AC Timing Specifications
This section describes the MII transmit and receive AC timing specifications.
Table 21. MII 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 = LV
DD
—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.
Table 22. RGMII DC Electrical Characteristics
Parameters
Symbol
Conditions
Min
Max
Unit
Supply voltage 2.5 V
LVDD
2.37
2.63
V
Output high voltage
VOH
IOH = –1.0 mA
LVDD = Min
2.00
LVDD + 0.3
V
Output low voltage
VOL
IOL = 1.0 mA
LVDD= Min
VSS – 0.3
0.40
V
Input high voltage
VIH
—LVDD = Min
1.7
LVDD + 0.3
V
Input low voltage
VIL
—LVDD = Min
–0.3
0.70
V
Input high current
IIH
VIN
1 = LV
DD
—15
μA
Input low current
IIL
VIN
1 = VSS
–15
μA
Note:
1. Note that the symbol VIN, in this case, represents the LVIN symbol referenced in Table 1 and Table 2.
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