参数资料
型号: MA28140
厂商: Dynex Semiconductor Ltd.
英文描述: Packet Telecommand Decoder
中文描述: 包遥控解码器
文件页数: 53/72页
文件大小: 857K
代理商: MA28140
MA28140
53/72
Example of an aborted data transfer.
Table 14: Serial MAP Interface Timings
Timing
Tmapst0 (1) (3)
Tmapst1
Tmapst2
Tmapst3
Tmapst4
Tmaps1
Tmaps2 (3)
Tmaps3
Tmapck (2)
Tmapout
Tmapdtr
Tmapadt (3)
Tmaps4 (3)
Tmaps5
Tmaps6 (3)
Tmaps7 (4)
Note (1): This timing is specified with no wait state configuration (LACK permanently asserted). The
asserting of this signal is identical with the asserting of the RAMCSN signal in a write cycle.
Note (2): Tmapck period is programmable as defined in section 5.2.
Note (3): These timings are exact with a variance of -10ns to +10ns.
Note (4): This timing is for a data transfer with MAPDTR permanently asserted.
Description
MAPSTN low pulse width
LDAT hold after MAPSTN rising
MAPST rising to MADSR rising
LDAT setup to MAPSTN falling
MAPSTN rising to MAPDATA valid
MAPDTR high to MAPCK rising
MAPCK falling to MAPDSR falling
MAPDTR setup to MAPCK falling
MAPCK period
MAPCK falling to MAPDATA valid
MAPDTR high pulse width
MAPADT high pulse width
MAPCK falling to MAPADT rising
MAPDSR falling to MAPDSR rising
MAPADT rising to MAPDSR falling
MAPDSR rising to MAPCK rising
Min
Typ
1 Tck
Max
0.5 Tck
2 Tck
0.5 Tck
2 Tck
0.5 Tmapck
1 Tmapck + 2 Tck
1 Tmapck + 2 Tck
1.5 Tmapck + 1 Tck
1 Tmapck
2 Tck
2 Tck
-5 ns
2 Tck
[2
13
] Tck
10 ns
2 Tmapck
1 Tmapck
56 Tck
1 Tmapck
0.5 Tmapck
1.5 Tmapck
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