參數(shù)資料
型號(hào): HD4074339
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer with large-capacity memory
中文描述: 4位HMCS400系列的大容量存儲(chǔ)器微機(jī)
文件頁(yè)數(shù): 54/78頁(yè)
文件大小: 337K
代理商: HD4074339
HD404339 Series
54
Transmit clock errors are detected as illustrated in figure 42.
Transfer completion
(IFS 1)
Interrupts inhibited
IFS 0
SMR write
IFS = 1
Transmit clock
error processing
Normal
termination
Yes
No
Transmit clock error detection flowchart
Transmit clock error detection procedure
State
SCK
pin (input)
Transmit clock
wait state
Transfer state
Transfer state
Transmit clock wait state
Noise
Transfer state has been
entered by the transmit
clock error. When SMR
is written, IFS is set.
Flag set because octal
counter reaches 000.
Flag reset at
transfer completion.
SMR write
IFS
1
2
3
4
5
6
7
8
Figure 42 Transmit Clock Error Detection
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