参数资料
型号: MSC8126VT8000
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 数字信号处理
英文描述: 0-BIT, 500 MHz, OTHER DSP, PBGA431
封装: 20 X 20 MM, LEAD FREE, PLASTIC, FCBGA-431
文件页数: 30/48页
文件大小: 1138K
代理商: MSC8126VT8000
MSC8126 Quad Digital Signal Processor Data Sheet, Rev. 15
Freescale Semiconductor
36
2.5.10.4
SMII Mode
2.5.11
GPIO Timing
Table 27. SMII Mode Signal Timing
No.
Characteristics
Min
Max
Unit
808
ETHSYNC_IN, ETHRXD to ETHCLOCK rising edge set-up time
1.0
ns
809
ETHCLOCK rising edge to ETHSYNC_IN, ETHRXD hold time
1.0
ns
810
ETHCLOCK rising edge to ETHSYNC, ETHTXD output delay
1.1 V core.
1.2 V core.
1.51
6.02
5.02
ns
Notes:
1.
Measured using a 5 pF load.
2.
Measured using a 15 pF load.
Figure 26. SMII Mode Signal Timing
Table 28. GPIO Timing
No.
Characteristics
Ref = CLKIN
Ref = CLKOUT
Unit
Min
Max
Min
Max
601
REFCLK edge to GPIO out valid (GPIO out delay time)
6.1
6.9
ns
602
REFCLK edge to GPIO out not valid (GPIO out hold time)
1.1
1.3
ns
603
REFCLK edge to high impedance on GPIO out
5.4
6.2
ns
604
GPIO in valid to REFCLK edge (GPIO in set-up time)
3.5
3.7
ns
605
REFCLK edge to GPIO in not valid (GPIO in hold time)
0.5
0.5
ns
Valid
ETHCLOCK
ETHSYNC_IN
ETHRXD
ETHSYNC
ETHTXD
Valid
810
809
808
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