参数资料
型号: SPC5121YVY400BR
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: RISC PROCESSOR, PBGA516
封装: 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT, PLASTIC, TFBGA-516
文件页数: 43/86页
文件大小: 719K
代理商: SPC5121YVY400BR
MPC5121E/MPC5123 Data Sheet, Rev. 3
Electrical and Thermal Characteristics
Freescale Semiconductor
48
Table 3-27. Timing Parameters PIO Write
ATA
Parameter
PIO Write
Mode Timing
Parameter
Value
How to meet
SpecID
t1
t1(min) = time_1 * T – (tskew1 + tskew2 + tskew5)
time_1, see Reference
Manual
A9.30
t2
t2r
t2(min) = time_2w * T - (tskew1 + tskew2 + tskew5)
calculate and programming
time_2w, see Reference
Manual
A9.31
t9
t9(min) = time_9 * T - (tskew1 + tskew2 + tskew6)
time_9, see Reference
Manual
A9.32
t3
t3(min) = (time_2w - time_on)* T - (tskew1 + tskew2
+tskew5)
If not met, increase time_2w
A9.33
t4
t4(min) = time_4 * T - tskew1
calculate and programming
time_4, see Reference
Manual
A9.34
tA
tA = (1.5 + time_ax) * T - (tco + tsui + tcable2 + tcable2 +
2*tbuf)
calculate and programming
time_ax, see Reference
Manual
A9.35
t0
t0(min) = (time_1 + time_2 + time_9) * T
time_1, time_2r, time_9
A9.36
Avoid bus contention when switching buffer on
by making ton long enough
A9.37
Avoid bus contention when switching buffer off
by making toff long enough
A9.38
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