MPC8540 datasheet(788/1302 Pages) FREESCALE

Part #	MPC8540

Description	MPC8540 PowerQUICC III??Integrated Host Processor Reference Manual

PDF	1302 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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788 / 1302 page

MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1

15-10

Freescale Semiconductor

DMA Controller

15.3.2 DMA Register Descriptions

The following sections describe the DMA registers. The majority of these registers are

channel-specific and can be identified by one of the four offsets that describe the register.

15.3.2.1 Mode Registers (MRn)

The mode register allows software to start a DMA transfer and to control various DMA transfer

characteristics. Figure 15-5 describes the MRn.

Figure 15-5. DMA Mode Registers (MRn)

0x2_12C8

–

0x2_12FC

Reserved

—

0x2_1300

DGSR—DMA general status register

Read

0x0000_0000

15.3.2.14/15-26

BWC

EMP_EN

EMS_EN DAHTS

Reset

0000_0000_0000_0000

SAHTS DAHE SAHE

SRW EOSIE EOLNIE EOLSIE EIE

XFE

CDSM/

SWSM

CTM

CC CS

Reset

0000_0000_0000_0000

Offset

0x2_1100, 0x2_1180, 0x2_1200, 0x2_1280

Table 15-4. DMA Register Summary (continued)

Offset

Access

Reset

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