Specifications

VSBC-6862 Rev 1.43
4
4.2.5. FLASH sector protection: option on request_________________________________ 47
4.3. SDRAM memory________________________________________________________ 48
4.3.1. SDRAM initialization ___________________________________________________ 48
4.4. SRAM memory _________________________________________________________ 50
4.5. Real Time Clock with SRAM memory________________________________________ 51
4.5.1. RTC registers read operation ____________________________________________ 52
4.5.2. RTC registers write operation____________________________________________ 52
4.6. IP modules ____________________________________________________________ 54
4.6.1. Memory spaces ______________________________________________________ 57
4.6.2. Registers ___________________________________________________________ 57
4.6.3. Interrupt functions_____________________________________________________ 58
4.6.4. DMA functions _______________________________________________________ 59
4.7. VME operations ________________________________________________________ 61
4.7.1. Jumpers ____________________________________________________________ 61
4.7.2. Registers ___________________________________________________________ 61
4.7.3. VME master _________________________________________________________ 62
4.7.4. VME slave __________________________________________________________ 64
4.7.5. VME interrupter ______________________________________________________ 66
4.7.6. VME interrupt handler__________________________________________________ 66
4.7.7. VME Mailbox ________________________________________________________ 66
4.7.8. VME system controller _________________________________________________ 67
4.7.9. Specific features for VME _______________________________________________ 67
4.7.10. General remarks for VME_____________________________________________ 67
4.8. Serial I
2
C EEPROM _____________________________________________________ 68
4.9. Fast Ethernet ports ______________________________________________________ 69
4.9.1. Transceivers description________________________________________________ 69
4.9.2. MPC-8260 I/O ports ___________________________________________________ 70
4.9.3. Transceivers operations ________________________________________________ 71
4.10. SMC1 and SMC2 serial ports ______________________________________________ 75
4.10.1. MPC-8260 I/O ports _________________________________________________ 75
4.10.2. ACTIS Console Cable _______________________________________________ 75
4.11. SCC serial ports ________________________________________________________ 76
4.11.1. RS-232 option _____________________________________________________ 76
4.11.2. RS-422/RS-485/V.35 option___________________________________________ 77
4.11.3. ACTIS Serial Cable _________________________________________________ 78
4.11.4. MPC-8260 I/O ports _________________________________________________ 79
4.12. I
2
C interface ___________________________________________________________ 80
4.13. Auxiliary LEDs__________________________________________________________ 80
5 Summary of board resources ________________________________________________ 81
5.1. Chip Select ____________________________________________________________ 81
5.2. Local Board registers ____________________________________________________ 81
5.3. Interrupt sources________________________________________________________ 82
5.4. Reset sources__________________________________________________________ 82
5.5. Power description _______________________________________________________ 84
5.6. Power consumption _____________________________________________________ 84
5.7. MPC-8260 I/O ports assignment____________________________________________ 85
6 Board initialization _________________________________________________________ 89
6.1. Clock configuration ______________________________________________________ 89
6.2. Reset Word____________________________________________________________ 90
6.3. MPC-8260 internal registers _______________________________________________ 91
6.4. MPC-8260 I/O ports _____________________________________________________ 93
6.5. Chip select ____________________________________________________________ 96
6.6. Serial EEPROM ________________________________________________________ 96
6.7. Boot code _____________________________________________________________ 98
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