beautypg.com

3 dma channels, 4 sources of reset, 3 dma channels 7.3.4 sources of reset – Artesyn MVME51005E SBC Installation and Use (July 2014) User Manual

Page 124

background image

Programming the MVME5100

MVME51005E Single Board Computer Installation and Use (6806800A38D)

126

The MVME5100 routes the interrupts from the PMCs and PCI expansion slots as follows:

7.3.3

DMA Channels

The PIB supports seven DMA channels. They are not functional on the MVME5100.

7.3.4

Sources of Reset

The MVME5100 has nine potential sources of reset:

1. Power-on reset

2. RST switch (resets the VMEbus when the MVME5100 is system controller)

3. Watchdog timer Reset function controlled by the SGS-Thomson MK48T559 timekeeper

device (resets the VMEbus when the MVME5100 is system controller)

4. ALT_RST* function controlled by the Port 92 register in the PIB (resets the VMEbus when

the MVME5100 is system controller)

5. PCI/ISA I/O Reset function controlled by the Clock Divisor register in the PIB

6. The VMEbus SYSRESET* signal

7. VMEbus Reset sources from the Universe ASIC (PCI/VME bus bridge controller): the System

Software reset, Local Software Reset and VME CSR Reset functions.