Functional Description; Mpc603 Processor; Mpc604 Processor - Motorola RAM104 User Manual

Processor/memory mezzanine module, dram memory module
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The complete assembled MVME160x runs with software such as
Motorola's VMEexec.
The MVME160x-00y requires a transition module such as an MVME760
to connect it to Ethernet, parallel, and/or serial peripherals. The
MVME160x-01y requires an MVME712M to connect it to SCSI, Ethernet,
parallel, and/or serial peripherals.

Functional Description

The following sections describe the PM603, PM604, and RAM104 in
detail. Figure 1-2 is a block diagram of the PM603/PM604.

MPC603 Processor

The PowerPC 603™ (MPC603) microprocessor offers workstation-level
performance packed into a low-power, low-cost design ideal for embedded
real-time control and monitoring applications. It is a 32-bit or 64-bit (here
used as 64-bit) processor with 16KB or 32KB onchip cache (8KB/16KB
data cache and 8KB/16KB instruction cache).
The MPC603 has internal clock PLL that supports internal operation at 1x,
2x, 3x, and 4x the SYSCLK frequency. Refer to the chip user's manual
listed in Appendix A for further information.

MPC604 Processor

The PowerPC 604™ (MPC604) microprocessor is a high-velocity engine
for sophisticated control and mid-range servers. It is a 32-bit or 64-bit
(here used as 64-bit) processor with 32KB onchip cache (16KB data cache
and 16KB instruction cache).
The MPC604 has internal clock PLL that supports internal operation at 1x,
1.5x, 2x, and 3x the SYSCLK frequency. Refer to the chip user's manual
listed in Appendix A for further information.
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Functional Description
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