
Enhanced Direct Memory Access (eDMA)
16-10
Freescale Semiconductor
bit in the EDMA_ERQ to be set. Setting the SAER bit provides a global set function, forcing the entire
contents of EDMA_ERQ to be set. Reads of this register return all zeroes.
16.6.6
eDMA Clear Enable Request Register (EDMA_CERQ)
The EDMA_CERQ provides a simple memory-mapped mechanism to clear a given bit in the
EDMA_ERQ to disable the DMA request for a given channel. The data value on a register write causes
the corresponding bit in the EDMA_ERQ to be cleared. Setting the CAER bit provides a global clear
function, forcing the entire contents of the EDMA_ERQ to be cleared, disabling all DMA request inputs.
Reads of this register return all zeroes.
Address: 0xFC04_4018 (EDMA_SERQ)
Access: User write-only
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
SAER
SERQ
Reset
0
0
0
0
0
0
0
0
Figure 16-7. eDMA Set Enable Request Register (EDMA_SERQ)
Table 16-8. EDMA_SERQ Field Descriptions
Field
Description
7
Reserved, must be cleared.
6
SAER
Set all enable requests.
0 Set only those EDMA_ERQ bits specified in the SERQ field.
1 Set all bits in EDMA_ERQ.
5–4
Reserved, must be cleared.
3–0
SERQ
Set enable request. Sets the corresponding bit in EDMA_ERQ
Address: 0xFC04_4019 (EDMA_CERQ)
Access: User write-only
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
CAER
CERQ
Reset
0
0
0
0
0
0
0
0
Figure 16-8. eDMA Clear Enable Request Register (EDMA_CERQ)
Table 16-9. EDMA_CERQ Field Descriptions
Field
Description
7
Reserved, must be cleared.
6
CAER
Clear all enable requests.
0 Clear only those EDMA_ERQ bits specified in the CERQ field.
1 Clear all bits in EDMA_ERQ.
MCF5329 Reference Manual, Rev 3
Summary of Contents for MCF5329
Page 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...