参数资料
型号: MPC8560VTAQFC
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1000 MHz, RISC PROCESSOR, PBGA783
封装: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-783
文件页数: 31/104页
文件大小: 1244K
代理商: MPC8560VTAQFC
MPC8560 Integrated Processor Hardware Specifications, Rev. 5
32
Freescale Semiconductor
Ethernet: Three-Speed, MII Management
7.3.2
MII Management AC Electrical Specifications
Table 29 provides the MII management AC timing specifications.
Input high current (OVDD = Max, VIN
1 = 2.1 V)
IIH
—40
μA
Input low current (OVDD = Max, VIN = 0.5 V)
IIL
–600
μA
Note:
1. The symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.
Table 29. MII Management AC Timing Specifications
At recommended operating conditions with OVDD is 3.3 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
Max
Unit
Notes
MDC frequency
fMDC
0.893
10.4
MHz
2, 4
MDC period
tMDC
96
1120
ns
MDC clock pulse width high
tMDCH
32
ns
MDC to MDIO valid
tMDKHDV
2*[1/(fccb_clk/8)]
ns
3
MDC to MDIO delay
tMDKHDX
10
2*[1/(fccb_clk/8)]
ns
3
MDIO to MDC setup time
tMDDVKH
5—
ns
MDIO to MDC hold time
tMDDXKH
0—
ns
MDC rise time
tMDCR
——
10
ns
4
MDC fall time
tMDHF
——
10
ns
4
Notes:
1. The symbols used for timing specifications herein follow the pattern of t(first two letters of functional block)(signal)(state) (reference)(state)
for inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tMDKHDX symbolizes
management data timing (MD) for the time tMDC from clock reference (K) high (H) until data outputs (D) are invalid (X) or data
hold time. Also, tMDDVKH symbolizes management data timing (MD) with respect to the time data input signals (D) reach the
valid state (V) relative to the tMDC clock reference (K) going to the high (H) state or setup time. For rise and fall times, the latter
convention is used with the appropriate letter: R (rise) or F (fall).
2. This parameter is dependent on the CCB clock speed (that is, for a CCB clock of 267 MHz, the maximum frequency is
8.3 MHz and the minimum frequency is 1.2 MHz; for a CCB clock of 333 MHz, the maximum frequency is 10.4 MHz and the
minimum frequency is 1.5 MHz).
3. This parameter is dependent on the CCB clock speed (that is, for a CCB clock of 267 MHz, the delay is 60 ns and for a CCB
clock of 333 MHz, the delay is 48 ns).
4. Guaranteed by design.
Table 28. MII Management DC Electrical Characteristics (continued)
Parameter
Symbol
Min
Max
Unit
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