Table 3-2. Program-Accessible Registers By Type, Listed Alphabetically - Lucent Technologies DSP1617 Information Manual

DSP1611/17/18/27/28/29 DIGITAL SIGNAL PROCESSOR
Software Architecture
3.1 Register View of the DSP1611/17/18/27/28/29
3.1.1 Types of Registers (continued)
Table 3-1. Program-Accessible Registers by Function (continued)
Register Name
ioc
timerc, timer0
ar0, ar1, ar2, ar3
inc, ins
cloop
mwait
jtag
powerc
alf
Note: Registers sioc, sioc2, srta, srta2, tdms, and tdms2 are not readable. Alternate accumulators aa0 and aa1 are only acces-
sible with the BMU swap instruction.
Notation for 32-bit registers: No suffix denotes the upper 16 bits; the l suffix denotes the lower 16 bits, e.g., a0, a0l
(see Section 3.1.2, Register Length Definition

Table 3-2. Program-Accessible Registers by Type, Listed Alphabetically

Register Name
aa0, aa1
a0, a0l, a1, a1l
alf
ar0, ar1, ar2, ar3
auc
c0, c1, c2
cbit
cloop
i
inc
ins
ioc
j
jtag
k
mwait
p, pl
pdx<0—7>
phifc
pi
Note: Registers sioc, sioc2, srta, srta2, tdms, and tdms2 are not readable. Alternate accumulators aa0 and aa1 are only accessible with the
BMU swap instruction.
3-2
for more details).
Description
Alternate accumulators, 36-bit
Accumulators 0 and 1, 36-bit
Await, lowpr, flags
Auxiliary BMU registers
Arithmetic unit control
Counters
Control register for BIO
Cache loop count
Pointer postincrement
Interrupt control
Interrupt status
I/O configuration register
Pointer postincrement
16-bit parallel/serial register
Pointer postincrement
Wait-states for EMI
32-bit product, p is bits [31:16], pl is bits [15:0]
PIO/PHIF I/O registers (pdx0 only for
DSP1611/18/27/28/29)
PHIF control register (DSP1611/18/27/28/29)
Program interrupt return
DRAFT COPY
(continued)
Function
SIO, CKO, PIO, EMI control
Timer control and data
BMU data
Interrupt control and status
Cache control
Wait-states control
Test interface data (reserved)
Power control
Standby mode, memory map, flag status
Information Manual
April 1998
Type Section
data BMU
data DAU
c & s Control
data BMU
c & s DAU
data DAU
c & s/data BIO
data Cache
address XAAU
control Control
status Control
c & s EMI, SIO, PIO
address YAAU
data JTAG
address YAAU
control EMI
data DAU
data PIO/PHIF
c & s PHIF
address XAAU
Lucent Technologies Inc.