參數(shù)資料
型號(hào)： MPC8349CZUAGDB
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 15/87頁(yè)
文件大小： 0K
描述： IC MPU POWERQUICC II PRO 672TBGA
標(biāo)準(zhǔn)包裝： 24
系列： MPC83xx
處理器類型： 32-位 MPC83xx PowerQUICC II Pro
速度： 400MHz
電壓： 1.2V
安裝類型： 表面貼裝
封裝/外殼： 672-LBGA
供應(yīng)商設(shè)備封裝： 672-TBGA（35x35）
包裝： 托盤
配用： MPC8349E-MITX-GP-ND - KIT REFERENCE PLATFORM MPC8349E
MPC8349E-MITXE-ND - BOARD REFERENCE FOR MPC8349
MPC8349EA-MDS-PB-ND - KIT MODULAR DEV SYSTEM MPC8349E
MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 13
22
Freescale Semiconductor
Ethernet: Three-Speed Ethernet, MII Management
7.2
DUART AC Electrical Specifications
Table 22 provides the AC timing parameters for the DUART interface of the MPC8349EA.
8
Ethernet: Three-Speed Ethernet, MII Management
This section provides the AC and DC electrical characteristics for three-speeds (10/100/1000 Mbps) and
MII management.
8.1
Three-Speed Ethernet Controller
(TSEC)—GMII/MII/TBI/RGMII/RTBI Electrical Characteristics
The electrical characteristics specified here apply to gigabit media independent interface (GMII), the
media independent interface (MII), ten-bit interface (TBI), reduced gigabit media independent
interface (RGMII), and reduced ten-bit interface (RTBI) signals except management data input/output
(MDIO) and management data clock (MDC). The MII, GMII, and TBI interfaces are defined for 3.3 V,
and the RGMII and RTBI interfaces are defined for 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 8.3,
High-level output voltage, IOH = –100 μAVOH
OVDD – 0.2
—
V
Low-level output voltage, IOL = 100 μAVOL
—0.2
V
Table 22. DUART AC Timing Specifications
Parameter
Value
Unit
Notes
Minimum baud rate
256
baud
—
Maximum baud rate
> 1,000,000
baud
1
Oversample rate
16
—
2
Notes:
1. Actual attainable baud rate will be limited by the latency of interrupt processing.
2. The middle of a start bit is detected as the 8th sampled 0 after the 1-to-0 transition of the start bit. Subsequent bit values are
sampled each 16th sample.
Table 21. DUART DC Electrical Characteristics (continued)
Parameter
Symbol
Min
Max
Unit
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