參數(shù)資料
型號: 80376
廠商: Intel Corp.
英文描述: 32-BIT Embedded Microprocessor(32位嵌入式微處理器)
中文描述: 32位嵌入式微處理器(32位嵌入式微處理器)
文件頁數(shù): 52/95頁
文件大?。?/td> 1086K
代理商: 80376
376 EMBEDDED PROCESSOR
240182–29
Figure 4.14. Example Halt Indication Cycle from Non-Pipelined Cycle
SHUTDOWN INDICATION CYCLE
The 80376 shuts down as a result of a protection
fault while attempting to process a double fault. Sig-
naling its entrance into the shutdown state, a shut-
down indication cycle is performed. The shutdown
indication cycle is identified by the state of the bus
definition signals shown in
Bus Cycle Definition
Signals
and a byte address of 0. The shutdown indi-
cation cycle must be acknowledged by READY as-
serted. A shutdown 80376 resumes execution when
NMI or RESET is asserted.
ENTERING AND EXITING HOLD
ACKNOWLEDGE
The bus hold acknowledge state, T
h
, is entered in
response to the HOLD input being asserted. In the
bus hold acknowledge state, the 80376 floats all
outputs or bidirectional signals, except for HLDA.
HLDA is asserted as long as the 80376 remains in
the bus hold acknowledge state. In the bus hold ac-
knowledge state, all inputs except HOLD and RE-
SET are ignored.
52
相關(guān)PDF資料
PDF描述
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804-4 RECTIFIERS ASSEMBLIES
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