SIC63616-(Rev. 1.0) NO. P155
3240-0412
n
0
FFFFCH FFFFBH
n+1
n+2
n+3
FFFFD FFFFEH FFFFFH
0
x+3
x+2
x+1
x
FFFFFH FFFFEH FFFFDH
Oscillation by reference resistance
R/f converter clock
RFRUNR register
Time base counter
Measurement counter clock
Measurement counter
IRFR
Interrupt request
Count-down
Fig. 4.13.5.1 Reference oscillate completion interrupt
0
x
x+4
x+5
1
2
3
m-3
m-2
m-1
m
FFFFEH FFFFFH
0
x+1
x+2
Oscillation by sensor resistance
R/f converter clock
RFRUNS register
Time base counter
Measurement counter clock
Measurement counter
IRFS
Interrupt request
Count-up
x+3
Fig. 4.13.5.2 Sensor oscillate completion interrupt
0
x
x+4
x+5
1
2
3
FFFFDH FFFFEH FFFFFH
0
y-2
y-1
y
x+1
x+2
Oscillation by sensor resistance
R/f converter clock
RFRUNS register
Time base counter
Measurement counter clock
Measurement counter
IRFE, OVMC
Interrupt request
Count-up
x+3
Overflow
Fig. 4.13.5.3 Error interrupt due to measurement counter overflow
n
0
FFFFCH FFFFBH
n+1
n+2
n+3
m-2
m-1
m(
π
0) Undefined
3
2
1
0
FFFFFH FFFFEH
Oscillation by reference resistance
R/f converter clock
RFRUNR register
Time base counter
Measurement counter clock
Measurement counter
IRFE, OVTC
Interrupt request
Count-down
FFFFDH
Overflow
Fig. 4.13.5.4 Error interrupt due to time base counter overflow
Note: When an error interrupt occurs, reset the overflow flag (OVMC or OVTC) by writing "1". The same
error interrupt will occur again if the overflow flag is not reset.
Содержание S1C63616
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