Functional Description
3-13
3
The ISA bridge controller provides the following functions:
❏
PCI bus arbitration for:
– The MPC105 (PCI/MPU bus bridge and memory controller)
– The SCSI controller
– the Ethernet controller
– The VME2PCI ASIC
– The PMC (PCI Mezzanine Card) slot
❏
ISA bus arbitration for DMA devices
❏
ISA interrupt mapping for four PCI interrupts
❏
Interrupt controller functionality to support 14 ISA interrupts
❏
Edge/level control for ISA interrupts
❏
Seven independently programmable DMA channels
❏
One 16-bit timer
❏
Three interval counters/timers
The base address of the configuration space for the ISA bridge controller
is at $00800800 in the PCI Configuration area.
Real-Time Clock and NVRAM
The MVME1603/MVME1604 employs an SGS-Thomson surface-mount
M48T18 RAM and clock chip to provide 8KB of non-volatile static RAM
and a real-time clock. This chip provides a clock, oscillator, crystal, power
failure detection, memory write protection, 8KB of NVRAM, and a battery
in a package consisting of two parts:
❏
A 28-pin 330mil SO device containing the real-time clock, the
oscillator, power failure detection circuitry, 8KB of SRAM, and
gold-plated sockets for a SNAPHAT battery
❏
A SNAPHAT battery housing a crystal along with the battery
Summary of Contents for MVME1603
Page 1: ...MVME1603 MVME1604 Single Board Computer Installation and Use V1600 1A IH4 ...
Page 14: ...xiv ...
Page 156: ...Using the Debugger 5 8 5 ...
Page 176: ...ENV Set Environment 6 20 6 ...
Page 190: ...EMC Compliance B 4 B ...
Page 200: ...Proper Grounding C 10 C ...
Page 222: ......