參數(shù)資料
型號: UPD77111
廠商: NEC Corp.
元件分類: 數(shù)字信號處理
英文描述: 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
中文描述: 16位定點數(shù)字信號處理器
文件頁數(shù): 34/80頁
文件大小: 451K
代理商: UPD77111
Data Sheet U12801EJ4V0DS00
34
μ
PD77110, 77111, 77112
9.2 Instruction Set and Operation
An operation is written in the operation field for each instruction in accordance with the operation representation
format of that instruction. If two or more parameters can be written, select one of them.
(a) Representation formats and selectable registers
The following table shows the representation formats and selectable registers.
Representation Format
Selectable Register
r0, r0
, r0
R0 - R7
rI, rI
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)
*xxx
Contents of memory with address xxx
<Example> If the contents of the DP0 register are 1000, *DP0 indicates the contents of
address 1000 of the memory.
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