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3-2
PmPPC440: PPC440GP Processor
April 2005
The following block diagram provides an overview of the PPC440GP architecture:
Figure 3-1. PPC440GP Block Diagram
3.2 Physical Memory Map
The PmPPC440 monitor (see Chapter 8) configures the memory map for the
PPC440GP processor. The following figure shows the PmPPC440 physical mem-
ory map:
Processor Core
DCR Bus
32KB
On-chip Peripheral Bus (OPB)
GPIO
IIC
UART
DMA
Bridge
Processor Local Bus (PLB)
DDR SDRAM
External
Bus
Controller
Controller
Clock
Control
Reset
Power
Mgmt
JTAG
Trace
Timers
MMU
Controller
OPB
Interrupt
Controller
Arb
- 32-bit addr
- 32-bit data
- 13-bit addr
- 32/64-bit data
External
Bus Master
Controller
Universal
I-Cache
32KB
D-Cache
(4-Channel)
133MHz max
66MHz max
SRAM
8KB
PPC440
- 48 internal
- 13 external
PCI-X
Bridge
x2
x2
GPT
MAL
Ethernet
x2
133MHz max
DCRs
1 MII
or
2 RMII
or
2 SMII
Summary of Contents for PmPPC440
Page 1: ...PmPPC440 PowerPC Based Processor PMC Module User s Manual April 2005 ...
Page 3: ...PmPPC440 PowerPC Based Processor PMC Module User s Manual April 2005 ...
Page 14: ...viii PmPPC440 Contents ...
Page 34: ...2 14 PmPPC440 Setup April 2005 ...
Page 42: ...3 8 PmPPC440 PPC440GP Processor April 2005 ...
Page 56: ...6 4 PmPPC440 Ethernet Interface April 2005 ...