PXN20RM Datasheet, PDF (526/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

Enhanced Direct Memory Access Controller (eDMA)
Table 24-1. eDMA Memory Map (continued)
Offset from
EDMA_BASE
(0xFFF4_4000)
Register
0x1240 TCD18—eDMA transfer control descriptor 18
0x1260 TCD19—eDMA transfer control descriptor 19
0x1280 TCD20—eDMA transfer control descriptor 20
0x12A0 TCD21—eDMA transfer control descriptor 21
0x12C0 TCD22—eDMA transfer control descriptor 22
0x12E0 TCD23—eDMA transfer control descriptor 23
0x1300 TCD24—eDMA transfer control descriptor 24
0x1320 TCD25—eDMA transfer control descriptor 25
0x1340 TCD26—eDMA transfer control descriptor 26
0x1360 TCD27—eDMA transfer control descriptor 27
0x1380 TCD28—eDMA transfer control descriptor 28
0x13A0 TCD29—eDMA transfer control descriptor 29
0x13C0 TCD30—eDMA transfer control descriptor 30
0x13E0 TCD31—eDMA transfer control descriptor 31
0x1400–0x17FF Reserved
1 _{See specific register description.}
Access Reset Value Section/Page Size
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
R/W
—¹
24.3.2.17/24-23 256
Address
0xFFF4_4000
0xFFF4_4004
0xFFF4_4008
0xFFF4_400C
0xFFF4_4010
0xFFF4_4014
0xFFF4_4018
0xFFF4_401C
0xFFF4_4020
Table 24-2. eDMA 32-bit Memory Map—Graphical View
Register
eDMA Control Register (EDMA_CR)
eDMA Error Status (EDMA_ESR)
Reserved
eDMA Enable Request
(EDMA_ERQRL, channels 31–16)
eDMA Enable Request
(EDMA_ERQRL, channels 15–00)
Reserved
eDMA Enable Error Interrupt Low
(EDMA_EEIRL, channels 31–16)
eDMA Enable Error Interrupt Low
(EDMA_EEIRL, Channels 15–00)
eDMA Set Enable
Request
(EDMA_SERQR)
eDMA Clear Enable
Request
(EDMA_CERQR)
eDMA Set Enable Error eDMA Clear Enable Error
Interrupt
Interrupt
(EDMA_SEEIR)
(EDMA_CEEIR)
eDMA Clear Interrupt
Request
(EDMA_CIRQR)
eDMA Clear
Error
(EDMA_CER)
eDMA Set Start Bit,
Activate Channel
(EDMA_SSBR)
eDMA Clear Done
Status Bit
(EDMA_CDSBR)
Reserved
24-6
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor