參數(shù)資料
型號： AT75C
英文描述： AT75C DSP Subsystem [Updated . 171 Pages] The AT75C DSP subsystem is a fully autonomous DSP-based computation block. It is built around a 16-bit. fixed-point. industry standard OakDSPCore. Additionally. the DSP subsystem embeds all elements necessary to run complex DSP algorithms independently.
中文描述： AT75C DSP子系統(tǒng)[更新。 171頁]的AT75C DSP子系統(tǒng)是一個完全獨(dú)立的基于DSP的計算塊。這是圍繞一個16位。定點(diǎn)。行業(yè)標(biāo)準(zhǔn)OakDSPCore。此外。嵌入了DSP子系統(tǒng)的所有元素需要運(yùn)行復(fù)雜的DSP算法獨(dú)立。
文件頁數(shù)： 9/171頁
文件大小： 1288K
代理商： AT75C
106
AT75C DSP Subsystem
1368C–INTAP–08/02
RETS – Return with Short Immediate Parameter
Syntax:
rets #unsigned short immediate
Operation:
(sp) –
> pc
sp + 1 + #immediate –
> sp
Affected Flags:
Cycles:
3
Words:
1
Notes:
This instruction is used to return from subroutines or interrupts and
delete unnecessary parameters from the stack.
This instruction can also be used to return from the maskable interrupt
service routines when the IE bit must be left unaffected (with
reti, IE is
set to 1).
This instruction can also be used as return from the maskable interrupts
service routines (INT0 or INT1 or INT2) to enable additional interrupts,
the IE bit at st0 must be set by the user.
The retd instruction cannot follow the following instructions:
mov soperand, sp (except for mov ##long immediate, sp)
movp (aXl), sp; addv/subv/set/rst/chng ##long immediate, sp
Z
M
NVCE
L
R
––––––––
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