4.3 Memory map
Table 1 shows all memory addresses used in MPX
TM
. Since MPX
TM
uses memory mapped I/O, that
means you can control MPX
TM
through predefined memory addresses, some addresses are assigned
to special purpose registers.
address
name
type
description
4000H-77FFH
BANK0
r
Flash memory (bank 0)
6000H-67FFH
REG_MAP0
w
Memory mapper for bank 0
7000H-77FFH
REG_MAP1
w
Memory mapper for bank 1
7800H-7BFFH
REG_FIFO
w
FIFO memory
7C00H
REG_CODEC
r/w
Audio CODEC control
7D00H
REG_DAC
w
Audio DAC control
7E00H
REG_STAT
r
Status register
7F00H
REG_CTRL
r/w
Control register
8000H-BFFFH
BANK1
r
Flash memory (bank 1)
Table 1: memory map
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2017 © Jun Soft
Figure 2: board layout
