Memory Address Signal Mappings - Motorola MPC8240 User Manual

Table 6-2 shows memory address signal mappings.
MPC8240
Signal Name
(Outputs)
msb SDMA12/
SDBA1
PAR0
PAR1
PAR2
PAR3
PAR4
PAR5
PAR6
PAR7
SDBA0
SDMA11
SDMA10
SDMA9
SDMA8
SDMA7
SDMA6
SDMA5
SDMA4
SDMA3
SDMA2
SDMA1
lsb SDMA0
Table 6-2. Memory Address Signal Mappings
Logical Names
FPM/
2-bank
EDO
SDRAM SDRAM
DRAM
Address Address
Address
MA12 SDMA12
MA11 SDBA0
– SDMA11 SDMA11
MA10 SDMA10 SDMA10
MA9 SDMA9
MA8 SDMA8
MA7 SDMA7
MA6 SDMA6
MA5 SDMA5
MA4 SDMA4
MA3 SDMA3
MA2 SDMA2
MA1 SDMA1
MA0 SDMA0
Chapter 6. MPC8240 Memory Interface
Memory Interface Signal Summary
ROM/
ROM/
Flash
4-bank Flash
Address
Address
8- and
64-bit
32-bit
mode
mode
SDBA1 AR20
AR19 AR19
AR18 AR18
AR17 AR17
AR16 AR16
AR15 AR15
AR14 AR14
AR13 AR13
AR12 AR12
SDBA0 AR11 AR11
–
AR10 AR10
SDMA9 AR9 AR9
SDMA8 AR8 AR8
SDMA7 AR7 AR7
SDMA6 AR6 AR6
SDMA5 AR5 AR5
SDMA4 AR4 AR4
SDMA3 AR3 AR3
SDMA2 AR2 AR2
SDMA1 AR1 AR1
SDMA0 AR0 AR0
JEDEC DIMM
Signals
(Inputs)
FPM/
SDRAM
EDO
168-pin
168-pin
DIMM
DIMM
– BA1 A12
BA0 A11
– A11 –
A10(AP) A10
A9 A9
A8 A8
A7 A7
A6 A6
A5 A5
A4 A4
A3 A3
A2 A2
A1 A1
A0 A0
6-5