Analog Devices SHARC ADSP-214 Series Hardware Reference Manual page 1169

FIR accelerator
coefficient memory, 6-32
debug, 6-45
decimation, 6-38
delay line (TAP), 6-32
DMA transfers, 6-42
FIR_UPSAMP bit, 6-39
formats, fixed-point, 6-42
formats, floating-point,
input sample, 6-33
interpolation, 6-39
interrupt sources, 6-45,
MAC unit, 6-31, 6-32
multiply accumulators,
pre-fetch data, 6-33
registers, 6-28, 6-32
sample ratio (FIR_RATIO) bit,
single rate operations,
TAP delay line, 6-33
window size (WINDOW) bit,
FIR bits
channel auto iterate (FIR_CAI),
channel complete interrupt
(FIR_CCINTR), A-81
channel number select (FIR_CH32–1),
A-80
DMA enable (FIR_DMAEN),
rounding mode select (FIR_RND),
tap length (TAPLEN),
window size (WINDOW),
FIR filter inner loop, 3-97
flags
flag interrupt mode (IRQxEN) bits,
input/output (FLAGx) pins, 10-12,
restriction with SPI bits,
SPORT pins, 10-12
FLAGx pins, 10-12, 15-9
floating-point, 1-1
ADSP-214xx SHARC Processor Hardware Reference
www.BDTIC.com/ADI
(continued)
6-42
6-65
6-32
6-39
6-38
6-39
A-80
A-80
A-81
A-82
A-82
A-5
15-9
7-4
40-bit, IIR, 6-61
FIR data format, 6-42
floating-point
FIR multiplier, 6-31
format select bit, IIR (IIR_FORTYBIT),
A-89
IIR accelerator, 6-59
multipliers and adders, FFT,
overflow, 6-18
radix-2 complex FFT,
rounding bit, FIR (FIR_RND),
force load mode register command,
framed versus unframed data,
frame sync
A source (FSASOURCE) bit,
early vs. late, 10-27
frequencies, 10-8
in multichannel mode,
internal vs. external, 10-18
output, synchronizing,
PCG B source (FSBSOURCE) bit,
14-13
rates, setting, 10-29
routing control (SRU_FS0) registers
(group C), A-128
signals, configuring, 10-11
frame sync delay (MFD),
frame sync required (FSR) bit,
framing bits, 10-29, 10-31
FRFS (frame on rising frame sync) bit,
10-29, 10-31
FS_BOTH (frame sync both) bit,
FSM, frame synchronization mode, See
SPORTs, framed and unframed data
FSP, frame synchronization polarity, See
SPORTs, framed and unframed data
FSR (frame sync required) bit,
full-duplex operation, specifications,
Index
(continued)
6-5
6-3
A-81
3-52
10-26
A-193
10-32
14-21
10-33
A-155
A-156
A-155
10-11
I-11