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参数资料
型号： MC8640DTVU1000NC
厂商： Freescale Semiconductor
文件页数： 51/130页
文件大小： 0K
描述： MPU DUAL E600 994-FCCBGA
标准包装： 1
系列： MPC86xx
处理器类型： 32-位 MPC86xx PowerPC
速度： 1.0GHz
电压： 0.95V
安装类型： 表面贴装
封装/外壳： 994-BCBGA，FCCBGA
供应商设备封装： 994-FCCBGA（33x33）
包装： 托盘
MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
Freescale Semiconductor
27
Ethernet: Enhanced Three-Speed Ethernet (eTSEC), MII Management
8.2
FIFO, GMII, MII, TBI, RGMII, RMII, and RTBI AC Timing
Specifications
The AC timing specifications for FIFO, GMII, MII, TBI, RGMII, RMII and RTBI are presented in this
section.
8.2.1
FIFO AC Specifications
The basis for the AC specifications for the eTSEC’s FIFO modes is the double data rate RGMII and RTBI
specifications because they have similar performance and are described in a source-synchronous fashion
like FIFO modes. However, the FIFO interface provides deliberate skew between the transmitted data and
source clock in GMII fashion.
When the eTSEC is configured for FIFO modes, all clocks are supplied from external sources to the
relevant eTSEC interface. That is, the transmit clock must be applied to the eTSECn’s TSECn_TX_CLK,
while the receive clock must be applied to pin TSECn_RX_CLK. The eTSEC internally uses the transmit
Input low current
(VIN = GND)
IIL
–600
—
μA
3
Notes:
1. LVDD supports eTSECs 1 and 2
2. TVDD supports eTSECs 3 and 4
3. The symbol VIN, in this case, represents the LVIN and TVIN symbols referenced in Table 1 and Table 2
Table 25. GMII, RGMII, RTBI, TBI and FIFO DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Notes
Supply voltage 2.5 V
LVDD/TVDD
2.375
2.625
V
1, 2
1 LV
DD supports eTSECs 1 and 2.
2 TV
DD supports eTSECs 3 and 4.
Output high voltage
(LVDD/TVDD = Min, IOH = –1.0 mA)
VOH
2.00
—
V
—
Output low voltage
(LVDD/TVDD = Min, IOL = 1.0 mA)
VOL
—0.40
V
—
Input high voltage
VIH
1.70
—
V
—
Input low voltage
VIL
—0.90
V
—
Input high current
(VIN = LVDD, VIN = TVDD)
IIH
—10
μA
1, 2, 3
3 Note that the symbol V
IN, in this case, represents the LVIN and TVIN symbols referenced in Table 1 and Table 2.
Input low current
(VIN = GND)
IIL
–15
—
μA
3
Note:
Table 24. GMII, MII, RMII, TBI and FIFO DC Electrical Characteristics (continued)
Parameter
Symbol
Min
Max
Unit
Notes
相关PDF资料
PDF描述
MC8640DTVU1000HC MPU DUAL E600 1023-FCCBGA
MC8640DTHX1250HC MPU DUAL E600 1023-FCCBGA
MC8640DTHX1067NC MPU DUAL E600 1023-FCCBGA
MC8640DTHX1000NC MPU DUAL E600 1023-FCCBGA
MC8640DTHX1000HC MPU DUAL E600 1023-FCCBGA
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