Analog Devices ADSP-BF506F Hardware Reference Manual page 1277

DMA
descriptor list mode, 7-15, 7-69,
descriptor lists, 7-23
descriptor queue, 7-57,
descriptors, recommended size,
descriptor structures,
direction, 7-71
DMA error interrupt,
double buffer scheme,
and EBIU, 7-4
errors, 7-30, 7-31
example connection, receive,
example connection, transmit,
external interfaces, 7-4
features, 7-2
finish control command,
first data memory access,
flow chart, 7-19, 7-20
FLOW mode, 7-17
FLOW value, 7-21
for SPI transmit, 18-11
handshake DMA, 1-8
handshake operation,
header file to define descriptor structures
example, 7-96
HMDMA1 block enable example,
HMDMA with delayed processing
example, 7-102
initializing, 7-17
internal interfaces, 7-4
and L1 memory, 7-5
large model mode, 7-70
latency, 7-25
memory conflict, 7-49
memory DMA, 1-8,
memory DMA streams,
memory DMA transfers,
memory read, 7-26
operation flow, 7-17
orphan access, 7-29
ADSP-BF50x Blackfin Processor Hardware Reference
(continued)
7-70
7-58
7-17
7-56
7-74
7-54
7-40
7-39
7-34
7-22
7-37
7-101
7-6
7-7
7-5
DMA
overflow interrupt, 7-41
overview, 1-8
performance considerations,
peripheral, 7-5
peripheral channels priority,
peripheral interrupts,
peripheral priority and default mapping,
7-105
pipelining requests, 7-38
polling DMA status example,
polling registers, 7-52
and PPI, 20-35
prioritization and traffic control,
7-50
programming examples,
receive, 7-27
refresh, 7-23
register-based, 7-9
register-based 2D memory DMA
example, 7-93
register naming conventions,
remapping peripheral assignment,
request data control command,
request data urgent control command,
7-35
restart control command, 7-33,
round robin operation,
serial port block transfers,
single-buffer transfers,
small model mode, 7-69
software management,
software-triggered descriptor fetch
example, 7-98
and SPI, 18-11
SPI data transmission,
SPI master, 18-24
SPI slave, 18-27
and SPORT, 19-4
startup, 7-17
Index
(continued)
7-43
7-6
4-6
7-95
7-45 to
7-92 to 7-103
7-66
7-6
7-35
7-34
7-48
19-38
7-53
7-51
18-43
I-13