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参数资料
型号： MPC8343CZQAGDX
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： 32-BIT, 400 MHz, MICROPROCESSOR, PBGA620
封装： 29 X 29 MM, 2.46 MM HEIGHT, 1 MM PITCH, PLASTIC, BGA-620
文件页数： 15/92页
文件大小： 987K
代理商： MPC8343CZQAGDX
MPC8343E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 6
22
Freescale Semiconductor
Ethernet: Three-Speed Ethernet, MII Management
7
Ethernet: Three-Speed Ethernet, MII Management
This section provides the AC and DC electrical characteristics for three-speed, 10/100/1000, and MII
management.
7.1
Three-Speed Ethernet Controller (TSEC)
(10/100/1000 Mbps)—MII/RGMII/RTBI Electrical Characteristics
The electrical characteristics specified here apply to all the MII (media independent interface), RGMII
(reduced gigabit media independent interface), and RTBI (reduced ten-bit interface) signals except MDIO
(management data input/output) and MDC (management data clock). The MII interface is defined for
3.3Vwhile the RGMII and RTBI interfaces can be operated at 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 are specified in
Section 7.3, “Ethernet Management Interface Electrical Characteristics.”
7.1.1
TSEC DC Electrical Characteristics
All MII, RGMII, and RTBI drivers and receivers comply with the DC parametric attributes specified in
Table 16 and Table 17. The potential applied to the input of a MII, RGMII, or RTBI receiver may exceed
the potential of the receiver’s power supply. The RGMII and RTBI signals are based on a 2.5-V CMOS
interface voltage as defined by JEDEC EIA/JESD8-5.
Table 16. and MII DC Electrical Characteristics
Parameter
Symbol
Conditions
Min
Max
Unit
Supply voltage 3.3 V
LVDD
2
—
2.97
3.63
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
GND
0.50
V
Input high voltage
VIH
——
2.0
LVDD + 0.3
V
Input low voltage
VIL
—
–0.3
0.90
V
Input high current
IIH
VIN
1 = LV
DD
—40
A
Input low current
IIL
VIN
1 = GND
–600
—
A
Note:
1. The symbol VIN, in this case, represents the LVIN symbol referenced in Table 55 and Table 56.
2. MII pins that are not needed for RGMII or RTBI operation are powered by OVDD supply.
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MPC8343EVRAGD 32-BIT, 400 MHz, RISC PROCESSOR, PBGA620
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