MAC7200 datasheet(324/976 Pages) FREESCALE

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Memory Map/Register Definition

MAC7200 Microcontroller Family Reference Manual, Rev. 2

246

Freescale Semiconductor

13.2.2.2

Revision (REV)

The REV is a 16-bit read-only register specifying a revision number. The state of this register is defined

by an input signal; it can only be read from the IPS programming model. Any attempted write is ignored.

See Figure 13-2 and Table 13-3 for the Revision definition.

13.2.2.3

AXBS Master Configuration (AMC)

The AMC is a 16-bit read-only register identifying the presence/absence of bus master connections to the

device’s AMBA-AHB Crossbar Switch (AXBS). The state of this register is defined by a module input

signal; it can only be read from the IPS programming model. Any attempted write is ignored.

See Figure 13-3 and Table 13-4 for the AXBS Master Configuration definition.

9876543210

REV[15:0]

Reset

REV[15:0]

Figure 13-2. Revision (REV) Register

Table 13-3. REV Field Descriptions

Field

Description

15–0

REV[15:0]

Revision. The REV[15:0] field is specified by an input signal to define a software-visible revision number.

9876543210

00000000

AMC[7:0]

Reset

00000000

AMC[7:0]

Figure 13-3. AXBS Master Configuration (AMC) Register

Table 13-4. AMC Field Descriptions

Field

Description

15–8

Reserved, should be cleared.

7–0

AMC[7:0]

AXBS Master Configuration.

AMCn = 0 if a bus master connection to AXBS input port “n” is absent

AMCn = 1 if a bus master connection to AXBS input port “n” is present

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