User's Manual

PrPMC800/800ET Processor PMC Module Installation and Use (PrPMC800A/IH5)
3 Functional Description
14
General Description
The PrPMC800/800ET is a Motorola processor PMC module compatible with the PowerPlus III
architecture. It consists of an MPC750-class, MPC7410, or MPC7410 (N) processor and:
❏ L2 backside cache
❏ Harrier System Memory Controller/PCI Host Bridge ASIC
❏ 32MB of flash memory
❏ 64MB to 512MB of ECC-protected SDRAM on board with memory expansion capability
❏ 10BaseT/100BaseTX Ethernet controller
❏ Debug serial port
The PrPMC800/800ET module interfaces to the host board PCI bus via the PMC P11, P12 and
P13 connectors. These provide a 64-bit PCI interface (that is, 33 MHz/66 MHz capable)
between the host board and the PrPMC800/800ET. The PrPMC module draws +3.3V through
the PMC connectors. The onboard Processor Core Power Supply derives the core voltage from
the +3.3V power. The clock generator derives all of the required onboard clocks from the PCI
clock input on P11.
The PrPMC800/800ET module has a 2mm header onboard to support module debug
operations. This header provides the interface to the debug serial RS-232 port and an interface
to the processor JTAG/COP port.
PCI Interface 32/64-bit Data
33 MHz minimum, 66 MHz capable on certain models
3.3V/5V universal signaling compatible interface
P11, P12, P13 and P14 PMC connectors
Address/data parity per PCI specification
Ethernet Interface 10BaseT/100BaseTX interface based on the Intel 82559ER/82551IT
device
AT93C46 SROM for 82559ER/82551IT configuration
SROM Two 8K byte dual-address I
2
C serial EEPROM devices for Vital
Product Data, user configuration data
One 256 byte standard I
2
C serial EEPROM for memory SPD
Debug Support Two 16550-compatible async serial ports (in Harrier) with RS-232
interface
Processor JTAG/COP Interface
RESET and ABORT signals
Signals routed to 2mm header and PMC connector P14
Input Power
Requirements
3.3V +
5%
Form Factor Single-width, standard-length PMC (74mm x 149mm) with 10mm
board-to-board stacking height.
Standard (3.5mm) side 2 height
Table 3-1. PrPMC800/800ET Features (continued)
Feature Description