參數(shù)資料
型號： S1C62920D
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, 1.3 MHz, MICROCONTROLLER, UUC63
封裝： DIE-63
文件頁數(shù)： 52/78頁
文件大?。?/td> 874K
代理商： S1C62920D
48
EPSON
S1C62920 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (R/F Converter)
(3) Time base counter overflow
Fig. 4.10.4.1 Timing of R/F converter interrupt
Note: When the R/F converter interrupt is generated, be sure to check whether or not the R/F conversion
has completed normally by reading the overflow flags.
When an interrupt occurs by the counter overflow, the same interrupt will occur if the overflow flag
(OVMC or OVTBC) is not reset. Be sure to check and reset to "0" (writing "1") the overflow flag
when the R/F converter interrupt occurs.
Reading of interrupt factor flag is available at EI, but be careful in the following cases.
If the interrupt mask register value corresponding to the interrupt factor flag to be read is set to "1",
an interrupt request will be generated by the interrupt factor flag set timing, or an interrupt request
will not be generated.
fOSC1(3)
RFRUN register
Time base counter
Measurement counter clock
Measurement counter
Interrupt (conversion completed)
n
0
FFFFH FFFEH
x+2
x+1
x
x+1
n+1
n+2
FFFFEH FFFFFH
0
1
2
m-2
m-1
m
x+2
FFFEH FFFFH
0
Oscillation by sensor
Oscillation by reference resistance
Count-up
Count-down
FFFDH
n
0
x+2
x+1
x
x+1
n+1
n+2
FFFFEH FFFFFH
0
1
2
FFFFFH
0
x+2
y-1
0
Oscillation by sensor
Oscillation by reference resistance
fOSC1(3)
RFRUN register
Time base counter
Measurement counter clock
Measurement counter
OVMC
Interrupt (measurement counter overflow)
FFFFH FFFEH
Count-up
Count-down
FFFDH
Overflow
(1) Completion interrupt
(2) Measurement counter overflow
n
0
FFFCH FFFBH
n+1
n+2
n+3
m-2
m-1
m(
≠0) Undefined
3210
Oscillation by reference resistance
fOSC1(3)
RFRUN register
Time base counter
Measurement counter clock
Measurement counter
OVTBC
Interrupt (time base counter overflow)
FFFFH FFFEH
Count-down
FFFDH
Overflow
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