參數(shù)資料
型號: DSP16210
英文描述: TVS 400W 6.5V UNIDIRECT SMA
中文描述: DSP16210數(shù)字信號處理器
文件頁數(shù): 17/173頁
文件大?。?/td> 2621K
代理商: DSP16210
Data Sheet
July 2000
DSP16210 Digital Signal Processor
Lucent Technologies Inc.
DRAFT COPY
17
Hardware Architecture
(continued)
DSP16000 Core Architectural Overview
(continued)
Table 2. DSP16000 Core Block Diagram Legend
Symbol
16 x 16 MULTIPLY 16-bit x 16-bit Multiplier
a0
a7
Accumulators 0—7
ADDER
3-input 40-bit Adder/Subtractor
alf
AWAIT and Flags
ALU/ACS
40-bit Arithmetic Logic Unit and Add/Compare/Select Function—used in Viterbi decoding
ar0
ar3
Auxiliary Registers 0—3
auc0
,
auc1
Arithmetic Unit Control Registers
BMU
40-bit Bit Manipulation Unit
c0
,
c1
Counters 0 and 1
c2
Counter Holding Register
cloop
Cache Loop Count
COMPARE
Comparator
csave
Cache Save Register
cstate
Cache State Register
DAU
Data Arithmetic Unit
h
Pointer Postincrement Register for the X-Memory Space
i
Pointer Postincrement Register for the X-Memory Space
IDB
Internal Data Bus
inc0
,
inc1
Interrupt Control Registers 0 and 1
ins
Interrupt Status Register
j
Pointer Postincrement/Offset Register for the Y-Memory Space
k
Pointer Postincrement/Offset Register for the Y-Memory Space
MUX
Multiplexer
p0
,
p1
Product Registers 0 and 1
PC
Program Counter
pi
Program Interrupt Return Register
pr
Program Return Register
PSG
Pseudorandom Sequence Generator
psw0
,
psw1
Processor Status Word Registers 0 and 1
pt0
,
pt1
Pointers 0 and 1 to X-Memory Space
ptrap
Program Trap Return Register
r0
r7
Pointers 0—7 to Y-Memory Space
rb0
,
rb1
Circular Buffer Pointers 0 and 1 (begin address)
re0
,
re1
Circular Buffer Pointers 0 and 1 (end address)
SAT
Saturation
SHIFT
Shifting Operation
sp
Stack Pointer
SPLIT/MUX
Split/Multiplexer—routes the appropriate ALU/ACS, BMU, and ADDER outputs to the appro-
priate accumulator
SWAP MUX
Swap Multiplexer—routes the appropriate data to the appropriate multiplier input
SYS
System Control and Cache
Name
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