Analog Devices ADSP-BF53x Blackfin Reference page 1033

rounding
instructions for different bit boundaries,
2-24
round-to-nearest defined,
setting mode, 2-2
unbiased, 1-19, 2-19
rounding mode (RND_MOD) bit,
round robin scheduling,
round to half-word (RND) instruction. See
RND
round-to-nearest rounding, 1-19,
RST (reset interrupt) bit, 4-40, 4-41,
RTC (real-time clock),
RTE (return from emulation) instruction,
4-10, 7-10
RTI (return from interrupt) instruction,
4-10, 4-45, 7-10
RTN (return from NMI) instruction, 4-10,
7-10
RTS (return from subroutine) instruction,
4-10, 7-10
RTX (return from exception) instruction,
4-10, 7-10
RW (read / write access) bit,
S
SAA. See quad 8-bit subtract-absolute
value-accumulate operations
saturate accumulator at 32-bit word
boundary (W32)
multiply and multiply-accumulate to
accumulator instruction,
use with modify instructions, 15-34,
15-37
use with multiply instructions,
saturate instruction, 15-80,
saturation
16-bit register range,
32-bit register range,
40-bit register range,
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
(continued)
1-19
2-25
6-51
2-22
4-46
3-12
6-21
15-53
15-53
C-95
1-18
1-18
1-18
saturation
accumulator, 1-12
defined, 1-17
saving loops, example,
SBNK[1:0] (subbank access) field,
scalar operations, 19-38,
scene_reg bit field extraction instruction,
13-16
scratchpad data memory (SRAM), 6-4,
6-47
SDRAM (synchronous dynamic random
access memory), 1-5,
SEARCH (vector search) instruction,
19-50, C-138
self-nesting interrupt enable (SNEN) bit,
21-26
SEQSTAT (sequencer status) register, 4-6,
4-59, 16-3, 16-8
sequencer registers, 3-4
sequencer stalls, 4-9
sequencer status (SEQSTAT) register. See
SEQSTAT
sequential registers or bits, range of,
notation convention,
servicing interrupt, 4-48
set, definition, 6-75
set associative, 6-76
SET index field, 6-21
set index field, 6-21, 6-40
SFTRESET (software reset) bit,
shared interrupt, 4-37,
shifter, 2-1, 2-48 to 2-56
arithmetic formats, 2-17
data types, 2-15
diagram, 1-2
field deposit, 2-52
field extract, 2-52
immediate shifts, defined, 2-49,
immediate shifts, example, 2-49,
instruction effects on status flags,
Index
(continued)
4-27
6-21
19-41
1-6
C-5
4-59
4-55
2-50
2-51
2-53
I-31