Rev. 1.0, 02/00, page 1052 of 1141
H'D12D: Prescaler Unit Control/Status Register PCSR: PSU
0
0
1
0
R/W
2
0
R/W
3
1
4
0
R/W
5
0
6
0
7
R/W
R/W
ICEG
R/W
ICIE
0
R/(W)*
ICIF
NCon/off
DCS2
DCS1
DCS0
Note: * Only 0 can be written to clear the flag.
Interrupt request by input capture is disabled (Initial value)
Interrupt request by input capture is enabled
0
1
Input capture interrupt enable bit
Frequency division clock output select bits
Description
0
0
0
PSS, output
φ
/32
(Initial value)
DCS1
DCS0
DCS2
1
PSS, output
φ
/16
1
0
PSS, output
φ
/8
1
PSS, output
φ
/4
0
1
0
PSW, output
φ
W/32
1
PSW, output
φ
W/16
1
0
PSW, output
φ
W/8
1
PSW, output
φ
W/4
Input capture interrupt flag
[Clearing conditions]
(Initial value)
When 0 is written after reading 1
[Setting conditions]
When input capture is executed at IC pin edge
0
1
Noise cancel function of IC pin is disabled (Initial value)
Noise cancel function of IC pin is enabled
0
1
Noise cancel ON/OFF bit
IC pin edge select bit
Falling edge of IC pin input is detected
(Initial value)
Rising edge of IC pin input is detected
0
1
Initial value :
—
—
Bit
R/W
:
: