Microcontroller User's Manual

21-4 MCF5282 User’s Manual MOTOROLA

DMA Timer Programming Model

21.2.6 DMA Timer Mode Registers (DTMRn)

DTMRs, shown in Figure 21-2, program the prescaler and various timer modes.

0x448 DMA Timer1 Capture Register (DTCR1)

0x44C DMA Timer1 Counter Register (DTCN1)

0x480

DMA Timer2 Mode Register (TMR2) DMA Timer2 Extended

Mode Register (DTXMR2)

DMA Timer2 Event

0x484 DMA Timer2 Reference Register (DTRR2)

0x488 DMA Timer2 Capture Register (DTCR2)

0x48C DMA Timer2 Counter Register (DTCN2)

0x4C0

DMA Timer3 Mode Register (TMR3) DMA Timer3 Extended

Mode Register (DTXMR3)

DMA Timer3 Event

0x4C4 DMA Timer3 Reference Register (DTRR3)

0x4C8 DMA Timer3 Capture Register (DTCR3)

0x4CC DMA Timer3 Counter Register (DTCN3)

15 8765 4 3210

Field PS CE OM ORRI FRR CLK RST

Reset 0000_0000_0000_0000

R/W R/W

Address IPSBAR + 0x400 (DTMR0); + 0x440 (DTMR1); + 0x480 (DTMR2); + 0x4C0 (DTMR3)

Figure 21-2. DTMRn Bit Definitions

Table 21-1. DMA Timer Module Memory Map (continued)

IPSBAR

Offset

[31:24] [23:16] [15:8] [7:0]