MAC7200 datasheet(333/976 Pages) FREESCALE

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Memory Map/Register Definition

MAC7200 Microcontroller Family Reference Manual, Rev. 2

Freescale Semiconductor

255

where aamr_init[7:0] is the value at reset controlled by the reset mode. The MCM only allows the

following values to be written to the AAMR[31:0] 0xF000_00{00, 08, 09, 0B, 80, 90, B0, 89, 8B, 98, 9B,

B8, B9, 99, and BB}. If the flash is not valid, 0x8 cannot be written to either of the two least-significant

nibbles of the AAMR. Likewise, if the EIM is not valid, 0x9 cannot be written to AAMR[7:4] or

AAMR[3:0]. The register will not update if an attempt is made to write an illegal value to the AAMR

13.2.2.12 Miscellaneous User-Defined Control Register (MUDCR)

The MUDCR provides a program-visible register for user-defined control functions. It typically is used as

configuration control for miscellaneous SoC-level modules. The contents of this register is simply output

from MCM to other modules where the user-defined control functions are implemented. See Figure 13-12

and Table 13-12 for the Miscellaneous User-Defined Control Register definition.

Table 13-11. AAMR Field Descriptions

Field

Description

EAn

Enable Address Region n.

0 The 512 MByte address region associated with HADDR[31:29] = n is disabled, and not mapped to an

AXBS slave. Accesses to this memory region terminate with an error response.

1 The 512 MByte address region associated with HADDR[31:29] = n is enabled, and mapped to the

AXBS slave defined by AnSlave.

AnSlave

Address n Slave Number.

1AnSlave defines the AXBS slave mapped to the memory region defined by HADDR[31:29] = n

MUDCR[31:16]

Reset

000000000000000

9876543210

MUDCR[15:0]

Reset

000000000000000

Figure 13-12. Miscellaneous User-Defined Control (MUDCR) Register

Table 13-12. MUDCR Field Descriptions

Field

Description

31–0

MUDCR

User-Defined control Register.

0 The control associated with this MUDCR bit is disabled.

1 The control associated with this MUDCR bit is enabled.

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