參數(shù)資料
型號: UPD77015
廠商: NEC Corp.
元件分類: 數(shù)字信號處理
英文描述: 16 bits, Fixed-point Digital Signal Processor
中文描述: 16位定點(diǎn)數(shù)字信號處理器
文件頁數(shù): 24/60頁
文件大?。?/td> 424K
代理商: UPD77015
μ
PD77015, 77017, 77018
24
Expression
Selectable registers
ro, ro', ro"
R0 - R7
rl, rl'
R0L - R7L
rh, rh'
R0H - R7H
re
R0E - R7E
reh
R0EH - R7EH
dp
DP0 - DP7
dn
DN0 - DN7
dm
DMX, DMY
dpx
DP0 - DP3
dpy
DP4 - DP7
dpx_mod
DPn, DPn++, DPn–
–, DPn##, DPn%%, !DPn## (n = 0 - 3)
dpy_mod
DPn, DPn++, DPn–
–, DPn##, DPn%%, !DPn## (n = 4 - 7)
dp_imm
DPn##imm (n = 0 - 7)
×××
content of memory address
×××
Example
When the content of DP0 register is 1000,
DP0 shows the content of memory
address 1000.
3.2 Instruction Set and Operation
An operation is written according to the rules for expressing. An expression of instructions having two or more
descriptions can have only one selected.
(a) Expressions and selectable registers
Expression and selectable registers are shown as follows.
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