Block Diagrams
http://www.motorola.com/computer/literature 3-5
3
Figure 3-4. Hawk’s System Memory Controller Block DiagramSDRAM
SDRAM
DATA
JTAG
PPC60x Data MEM Data
MEM Addr
PPC60x Addr
PPC60x Attr
PPC60x Ctrl MEM Ctrl
&
ROM/Flash
CONTROL
SDRAM
ADDRESS
MULTIPLEXOR
PPC60x
STATUS
/CONTROL
REGISTERS
MULTIPLEXOR
ADDRESS
DECODER
PPC60x
SLAVE
INTERFACE
ERROR
LOGGER
I2CINTERFACE
I2CBus
ARBITER
REFRESHER
/SCRUBBER