參數(shù)資料
型號： KMPC8544EVTAQG
廠商： Freescale Semiconductor
文件頁數(shù)： 34/117頁
文件大小： 0K
描述： IC MPU POWERQUICC III 783-PBGA
標(biāo)準(zhǔn)包裝： 5
系列： MPC85xx
處理器類型： 32-位 MPC85xx PowerQUICC III
速度： 1.0GHz
電壓： 1V
安裝類型： 表面貼裝
封裝/外殼： 783-BBGA，F(xiàn)CBGA
供應(yīng)商設(shè)備封裝： 783-FCPBGA（29x29）
包裝： 托盤
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 6
Freescale Semiconductor
23
Enhanced Three-Speed Ethernet (eTSEC), MII Management
7.2
DUART AC Electrical Specifications
Table 20 provides the AC timing parameters for the DUART interface.
8
Enhanced Three-Speed Ethernet (eTSEC),
MII Management
This section provides the AC and DC electrical characteristics for enhanced three-speed and MII
management.
8.1
Enhanced Three-Speed Ethernet Controller (eTSEC)
(10/100/1000 Mbps)—SGMII/GMII/MII/TBI/RGMII/RTBI/RMII/FIFO
Electrical Characteristics
The electrical characteristics specified here apply to all gigabit media independent interface (GMII), 8-bit
FIFO interface (FIFO), serial gigabit media independent interface (SGMII), media independent interface
(MII), ten-bit interface (TBI), reduced gigabit media independent interface (RGMII), reduced ten-bit
interface (RTBI), and reduced media independent interface (RMII) signals except management data
input/output (MDIO) and management data clock (MDC). The 8-bit FIFO interface can operate at 3.3 or
2.5 V. The RGMII and RTBI interfaces are defined for 2.5 V, while the MII, GMII, TBI, and RMII
interfaces can be operated at 3.3 or 2.5 V. Whether the GMII, MII, or TBI interface is operated at 3.3 or
2.5 V, the timing is compliant with IEEE 802.3. The RGMII and RTBI interfaces follow the Reduced
Gigabit Media-Independent Interface (RGMII) Specification Version 1.3 (12/10/2000). The RMII
interface follows the RMII Consortium RMII Specification Version 1.2 (3/20/1998). The SGMII interfaces
follow the Serial Gigabit Media-Independent Interface (SGMII) Specification Version 1.8. The electrical
Low-level output voltage (OVDD = min, IOL = 2 mA)
VOL
—0.4
V
—
Note:
1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.
Table 20. DUART AC Timing Specifications
Parameter
Value
Unit
Notes
Minimum baud rate
CCB clock/1,048,576
baud
1
Maximum baud rate
CCB clock/16
baud
2
Oversample rate
16
—
3
Notes:
1. CCB clock refers to the platform clock.
2. Actual attainable baud rate will be limited by the latency of interrupt processing.
3. The middle of a start bit is detected as the eighth sampled 0 after the 1-to-0 transition of the start bit. Subsequent bit values
are sampled each sixteenth sample.
Table 19. DUART DC Electrical Characteristics (continued)
Parameter
Symbol
Min
Max
Unit
Notes
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