Control And Status Registers; Table 3-1 Control/Status Registers - GE OpenVPX VPXcel6 SBC622 Hardware Reference Manual

3.2 Control and Status Registers

50 SBC622 Hardware Reference Manual
These registers are provided by the CPLD and appear in the I/O memory map (for
reading and writing) starting at address 0x600. They can also be read back in
memory space under ID7 + address 0x04000000.

Table 3-1 Control/Status Registers

ISA I/O Port (Hex) Register Description
600 Board ID Register
601 Board Revision Register
602 Board Configuration Register 1
603 Board Configuration Register 2
604 Board Configuration Register 3
605 VPX Geographical Address (GA) (0x605)
606 Board Status Register 1 (Alarm Status)
607 Board Status Register 2
608 Board ID (Word)
60A Board Feature Set: 0xTBD
60C Timer Enable
60D Watchdog Keep Alive
60E Watchdog Timer CSR (WCSR, Word)
610 to 615 Board ID String Registers
616 to 61F Reserved
620 Control Register 1
621 Control Register 2
622 Control Register 3
623 IRQ Enable Register
624 Drive Links Low Register
625 to 62B Reserved
62C-62D Reserved for unused Timers 1 and 2
630 Timer Control Status Register (TCSR3)
631 Timer Control Status Register (TCSR4)
632 Timer 3 IRQ Clear (T31C)
633 Timer 4 IRQ Clear (T41C)
634 Reserved for unused Timer 1 Value Register
636 Reserved for unused Timer 2 Value Register
638 Timer 3 Value Register
63C Timer 4 Value Register
640 GPIO Out Register
641 GPIO In Register
642 GPIO Direction Register
643 GPIO Interrupt Enable Register
644 GPIO Level/Edge Register
645 GPIO Active Low/High Register
646 GPIO Both Edges Register
647 GPIO Interrupt Status Register
Access
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
Read/Write
Write Only
Read/Write
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read Only
Read Only
Read/Write
Read/Write
Read/Write
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write to clear IRQ