Motorola MPC823e - Page 470

Communication Processor Module
16-16 MPC823e REFERENCE MANUAL MOTOROLA
RISC
COMMUNICATION
16
PROCESSOR MODULE
A definition of the parameter RAM is contained in each protocol subsection that describes
the device using a parameter RAM. For example, in some locations the Ethernet parameter
RAM memory map is defined in the same way that the HDLC-specific parameter RAM is
defined.
Table 16-3. Parameter RAM Memory Map
PAGE ADDRESSES PERIPHERAL
IMMR + 0x3C00 1 DPRAM_Base+ 0x1c00 USB
DPRAM_Base+ 0x1c7f
DPRAM_Base+ 0x1c80
I
2
C
DPRAM_Base+ 0x1caf
DPRAM_Base+ 0x1cb0 MISC
DPRAM_Base+ 0x1cbf
DPRAM_Base+ 0x1cc0 IDMA1
DPRAM_Base+ 0x1cff
IMMR + 0x3D00 2 DPRAM_Base+ 0x1d00 SCC2
DPRAM_Base+ 0x1d7f*
DPRAM_Base+ 0x1d80 SPI
DPRAM_Base+ 0x1daf
DPRAM_Base+ 0x1db0 Timers
DPRAM_Base+ 0x1dbf
DPRAM_Base+ 0x1dc0 IDMA2
DPRAM_Base+ 0x1dff
IMMR + 0x3E00 3 DPRAM_Base+ 0x1e00 SCC3
DPRAM_Base+ 0x1e7f
†
DPRAM_Base+ 0x1e80 SMC1
DPRAM_Base+ 0x1ebf
DPRAM_Base+ 0x1ec0 DSP1
DPRAM_Base+ 0x1eff
IMMR + 0x3F00 4 DPRAM_Base+ 0x1f00 Reserved
DPRAM_Base+ 0x1f7f
DPRAM_Base+ 0x1f80 SMC2
DPRAM_Base+ 0x1fbf
DPRAM_Base+ 0x1fc0 DSP2
DPRAM_Base+ 0x1fff
NOTE: DPRAM_Base = (IMMR & 0xFFFF0000) + 0x2000.
* 0x1da3 for Ethernet.
†
0x1ea3 for SCC3 Ethernet.