RAM 6.0 BUX II Series Podręcznik Użytkownika Pobierz pdf (Strona 4)

VxWorks

Hardware Considerations Guide, 6.0

7 Devices ...................................................................................................................... 15

Interrupts ................................................................................................... 15

System Clock ............................................................................................. 17

Auxiliary Clock ......................................................................................... 17

Timestamp Clock ...................................................................................... 18

Serial Ports ................................................................................................. 18

Ethernet Controllers ................................................................................. 19

USB Controllers ........................................................................................ 20

SCSI Controllers ........................................................................................ 20

DMA Controllers ...................................................................................... 21

Reset Button .............................................................................................. 21

Abort Button ............................................................................................. 21

DIP Switches ............................................................................................. 21

User LEDs .................................................................................................. 21

Parallel Ports ............................................................................................. 22

8 Flash Devices and Flash File System Support .................................................. 22

8.1 Flash Devices ............................................................................................. 22

8.2 Choosing TrueFFS as a Medium ............................................................ 23

8.3 TrueFFS Features ...................................................................................... 23

Block Allocation and Data Clusters ....................................................... 24

Read and Write Operations ..................................................................... 25

Erase Cycles and Garbage Collection .................................................... 26

Optimization Methods ............................................................................ 27

Fault Recovery in TrueFFS ...................................................................... 28

9 Virtual Memory Library ........................................................................................ 30

10 Partial Compliance to Standards ......................................................................... 31

1 2 3 4 5 6 7 8 9 ... 35 36

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RAM 6.0 BUX II Series Podręcznik Użytkownika Strona 4