參數(shù)資料
型號: μPD780983
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 25/121頁
文件大?。?/td> 350K
代理商: ΜPD780983
25
CHAPTER 3 CONTROL
3.1 STATE TRANSITION TABLE
Table 3-1 lists the state transitions. During the execution of the mode handling indicated by
<1>
to
<5>
under
"State," if any of the events indicated under "Factor" should occur, transition to the mode having the number shown
is performed.
A "*" in a column indicates that mode transition is not performed. Input is valid, however.
A "-" in a column indicates that input is not valid.
Table 3-1. State Transition
Reset
input
ON/OFF
input
+
input
-
input
Changeover
input
Stop
signal
Synchronous/
asynchronous input
Processing
end
<1>
Initialize
*
-
-
-
-
-
*
<5>
<2>
Output frequency change
<1>
<5>
<4>
<4>
*
<5>
-
<3>
<3>
Fixed output frequency
<1>
<5>
<4>
<4>
*
<5>
-
-
<4>
Setting
<1>
#1
*
*
#1
<5>
-
-
<5>
Signal output stop
<1>
#2
<4>
<4>
*
*
-
-
#1
: Transition to mode
<2>
,
<3>
, or
<5>
is performed depending on the output state.
#2
: Transition to mode
<2>
is performed when no stop signal is input.
Notes 1.
States
Initialize
Output frequency change: Frequency change processing state, set when the target frequency differs
from the output frequency.
Fixed frequency output
: Fixed frequency output state, set when the target frequency matches the
output frequency.
Setting
: Setting of change pattern to be selected by key input, target frequency,
carrier frequency, dead time, and rate of frequency change.
Signal output stop
: State existing when signal output is stopped.
: Initially set processing state, set immediately after a reset start.
State
Note 1
Factor
Note 2
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