Texas Instruments TMS320C3x User Manual page 746

carry bit, definition D-2
carry flag 13-29
central processing unit. See CPU
circular addressing 6-21–6-25
algorithm 6-23
buffer 6-21–6-25
definition D-2
FIR filters 6-24
operation 6-23
CLKX pins 12-22
clock mode
timer interrupt 12-13
timer pulse generator 12-7–12-9
clock periods, minor 8-24
compare
floating-point value instruction (CMPF) 13-88
integer instruction (CMPI) 13-92
comparison, feature set 2-27
condition codes and flags 13-1, 13-30, 13-31
condition flag
floating-point underflow 13-29
latched floating-point underflow 13-29
latched overflow 13-29
negative 13-29
overflow 13-29
zero 13-29
conditional delayed branches
compare instructions 7-9
extended-precision registers 7-9
context save/restore, definition D-2
control register 12-51
control registers, external interface 9-2
expansion bus 9-9–9-15
primary bus 9-7–9-8
conversion
floating-point to integer 5-41–5-42
integer to floating-point 5-43
counter register (timer) 12-3, 12-7
CPU
arbitration 12-63
block diagram 2-7
cycle, definition D-2
definition D-2
general 2-6
interrupt
DMA interaction 7-40
latency 7-35
CPU (continued)
processing, block diagram 7-34
processing cycle 7-33
primary registers 2-9
register file 3-2
registers 3-1–3-20
auxiliary (AR7–AR0) 2-10 3-4
block size (BK) 2-11, 3-4
block-repeat (RS, RE) 3-17
data-page pointer (DP) 2-10, 3-4
extended-precision (R7–R0) 2-10, 3-3
I/O flag (IOF) 2-11, 3-16
index (IR1, IR0) 2-10, 3-4
interrupt flag (IF) 2-11, 3-11, 7-32
bits defined 3-13
interrupt-enable (IE) 2-11, 3-9, 7-32
list of 3-2
program-counter (PC) 2-18, 3-18
repeat end-address (RE) 2-11, 3-17, 7-2
repeat start-address (RS) 2-11, 3-17, 7-2
repeat-counter (RC) 2-11, 3-17, 7-2
reserved bits and compatibility 3-19
status (ST) 2-11, 3-5, 7-32, 13-29
system-stack pointer (SP) 2-11, 3-4
transfer, with serial-port transmit pol-
ling 12-43–12-44
D
D0-D31, definition D-2
data, buses 2-18
data formats 5-1–5-48
floating-point
addition and subtraction 5-32–5-36
conversion to integer 5-41–5-42
floating-point formats 5-4–5-13
conversion between formats 5-12–5-15
extended-precision 5-8–5-9
short 5-5–5-6
single-precision 5-7–5-8
integer 5-2
single-precision 5-2–5-3
unsigned 5-3
integer to floating-point conversion 5-43
normalization using NORM instruc-
tion 5-37–5-38
rounding with RND instruction 5-39–5-40
unsigned-integer formats, single-preci-
sion 5-3–5-5
data memory, TMS320C32 2-20
Index
Index-5