參數(shù)資料
型號： 784215AY
廠商： NEC Corp.
英文描述： MOS INTEGRATED CIRCUIT
中文描述： 馬鞍山集成電路
文件頁數(shù)： 55/100頁
文件大?。?/td> 564K
代理商： 784215AY
Data Sheet U14121EJ2V0DS00
55
μ
PD784214A, 784215A, 784216A, 784217A, 784218A, 784214AY, 784215AY, 784216AY, 784217AY, 784218AY
www.DataSheet4U.com
8.3 Context Switching
When an interrupt request is generated or when the BRKCS instruction is executed, a predetermined register
bank is selected by hardware. Context switching is a function that branches execution to a vector address stored in
advance in the register bank, while at the same time stacking the current contents of the program counter (PC) and
program status word (PSW) to the register bank.
The branch address is in a range of 0 to FFFFH.
Figure 8-1. Context Switching Operation When Interrupt Request Is Generated
Register bank n (n = 0 to 7)
0000B
<7> Transfer
PC19-16
PC15-0
<6> Exchange
<5> Save
<2> Save
Temporary register
<1> Save
PSW
V
U
T
W
A
B
R5
R7
D
H
X
C
R4
R6
E
L
VP
UP
<3> Switching of register bank
(RBS0 to RBS2
←
n)
<4> RSS
←
0
IE
←
0
Register bank
(0 to 7)
(Bits 8 to 11 of
temporary register)
相關PDF資料
PDF描述
784216A MOS INTEGRATED CIRCUIT
784216AY MOS INTEGRATED CIRCUIT
784217A MOS INTEGRATED CIRCUIT
784217AY MOS INTEGRATED CIRCUIT
784218AY MOS INTEGRATED CIRCUIT
相關代理商/技術參數(shù)
參數(shù)描述
784216A 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
784216AY 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
784217A 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
784217AY 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
784218A 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
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